X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Ffunctions.php;h=a930b877d89aab98b24aa25f652c571dde683bad;hp=9a7bd4b48448560efd80dd2a97184b6fda57fcfd;hb=1f507f190ba73b50dc005b6d5597422f239b3761;hpb=d5ee31ebfc85f22fc691b8c2753c42e188c1c4ef

diff --git a/inc/functions.php b/inc/functions.php
index 9a7bd4b484..a930b877d8 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -62,7 +62,7 @@ function IS_INC_WRITEABLE($inc) {
 // Output HTML code directly or "render" it. You addionally switch the new-line character off
 function OUTPUT_HTML ($HTML, $newLine = true) {
 	// Some global variables
-	global $OUTPUT, $footer, $CSS;
+	global $OUTPUT;
 
 	// Do we have HTML-Code here?
 	if (!empty($HTML)) {
@@ -101,7 +101,7 @@ function OUTPUT_HTML ($HTML, $newLine = true) {
 			mxchange_die("<strong>{--FATAL_ERROR--}:</strong> {--LANG_NO_RENDER_DIRECT--}");
 			break;
 		}
-	} elseif ((constant('_OB_CACHING') == "on") && ($footer == 1)) {
+	} elseif ((constant('_OB_CACHING') == "on") && ($GLOBALS['footer_sent'] == 1)) {
 		// Headers already sent?
 		if (headers_sent()) {
 			// Log this error
@@ -114,8 +114,10 @@ function OUTPUT_HTML ($HTML, $newLine = true) {
 		// Output cached HTML code
 		$OUTPUT = ob_get_contents();
 
-		// Clear output buffer for later output
-		clearOutputBuffer();
+		// Clear output buffer for later output if output is found
+		if (!empty($OUTPUT)) {
+			clearOutputBuffer();
+		} // END - if
 
 		// Send HTTP header
 		header("HTTP/1.1 200");
@@ -131,7 +133,7 @@ function OUTPUT_HTML ($HTML, $newLine = true) {
 		header("Connection: Close");
 
 		// Extension "rewrite" installed?
-		if ((EXT_IS_ACTIVE("rewrite")) && ($CSS != "1") && ($CSS != "-1")) {
+		if ((EXT_IS_ACTIVE("rewrite")) && ($GLOBALS['output_mode'] != "1") && ($GLOBALS['output_mode'] != "-1")) {
 			$OUTPUT = REWRITE_LINKS($OUTPUT);
 		} // END - if
 
@@ -139,8 +141,8 @@ function OUTPUT_HTML ($HTML, $newLine = true) {
 		while (strpos($OUTPUT, '{!') > 0) {
 			// Prepare the content and eval() it...
 			$newContent = "";
-			$eval = "\$newContent = \"".COMPILE_CODE(addslashes($OUTPUT))."\";";
-			@eval($eval);
+			$eval = "\$newContent = \"".COMPILE_CODE(smartAddSlashes($OUTPUT))."\";";
+			eval($eval);
 
 			// Was that eval okay?
 			if (empty($newContent)) {
@@ -154,13 +156,13 @@ function OUTPUT_HTML ($HTML, $newLine = true) {
 		OUTPUT_RAW($OUTPUT);
 	} elseif ((constant('OUTPUT_MODE') == "render") && (!empty($OUTPUT))) {
 		// Rewrite links when rewrite extension is active
-		if ((EXT_IS_ACTIVE("rewrite")) && ($CSS != "1") && ($CSS != "-1")) {
+		if ((EXT_IS_ACTIVE("rewrite")) && ($GLOBALS['output_mode'] != "1") && ($GLOBALS['output_mode'] != "-1")) {
 			$OUTPUT = REWRITE_LINKS($OUTPUT);
 		} // END - if
 
 		// Compile and run finished rendered HTML code
 		while (strpos($OUTPUT, '{!') > 0) {
-			$eval = "\$OUTPUT = \"".COMPILE_CODE(addslashes($OUTPUT))."\";";
+			$eval = "\$OUTPUT = \"".COMPILE_CODE(smartAddSlashes($OUTPUT))."\";";
 			eval($eval);
 		} // END - while
 
@@ -181,34 +183,42 @@ function OUTPUT_RAW ($HTML) {
 	} // END - if
 }
 
+// Init fatal message array
+function initFatalMessages () {
+	$GLOBALS['fatal_messages'] = array();
+}
+
+// Getter for whole fatal error messages
+function getFatalArray () {
+	return $GLOBALS['fatal_messages'];
+}
+
 // Add a fatal error message to the queue array
 function addFatalMessage ($message, $extra="") {
-	global $FATAL;
-
-	if (empty($extra)) {
-		// Regular text message to add to $FATAL
-		$FATAL[] = $message;
-	} else {
+	if (is_array($extra)) {
+		// Multiple extras for a message with masks
+		$message = call_user_func_array('sprintf', $extra);
+	} elseif (!empty($extra)) {
 		// $message is text with a mask plus extras to insert into the text
 		$message = sprintf($message, $extra);
-		$FATAL[] = $message;
 	}
 
+	// Add message to $GLOBALS['fatal_messages']
+	$GLOBALS['fatal_messages'][] = $message;
+
 	// Log fatal messages away
 	DEBUG_LOG(__FUNCTION__, __LINE__, " message={$message}");
 }
 
 // Getter for total fatal message count
 function getTotalFatalErrors () {
-	global $FATAL;
-
 	// Init coun
 	$count = 0;
 
 	// Do we have at least the first entry?
-	if (!empty($FATAL[0])) {
+	if (!empty($GLOBALS['fatal_messages'][0])) {
 		// Get total count
-		$count = count($FATAL);
+		$count = count($GLOBALS['fatal_messages']);
 	} // END - if
 
 	// Return value
@@ -249,7 +259,9 @@ function LOAD_TEMPLATE ($template, $return=false, $content=array()) {
 			// Translate gender
 			$content['gender'] = TRANSLATE_GENDER($content['gender']);
 		} else {
-			// DEPRECATED: Load data in direct variables
+			// @DEPRECATED
+			// @TODO Fine all templates which are using these direct variables and rewrite them.
+			// @TODO After this step is done, this else-block is history
 			list($gender, $surname, $family, $email) = SQL_FETCHROW($result);
 
 			// Translate gender
@@ -299,7 +311,7 @@ function LOAD_TEMPLATE ($template, $return=false, $content=array()) {
 	////////////////////////
 	// Generate file name //
 	////////////////////////
-	$file = $BASE.$MODE.$template.".tpl";
+	$FQFN = $BASE.$MODE.$template.".tpl";
 
 	if ((!empty($GLOBALS['what'])) && ((strpos($template, "_header") > 0) || (strpos($template, "_footer") > 0)) && (($MODE == "guest/") || ($MODE == "member/") || ($MODE == "admin/"))) {
 		// Select what depended header/footer template file for admin/guest/member area
@@ -311,22 +323,22 @@ function LOAD_TEMPLATE ($template, $return=false, $content=array()) {
 		);
 
 		// Probe for it...
-		if (FILE_READABLE($file2)) $file = $file2;
+		if (FILE_READABLE($file2)) $FQFN = $file2;
 
 		// Remove variable from memory
 		unset($file2);
 	}
 
 	// Does the special template exists?
-	if (!FILE_READABLE($file)) {
+	if (!FILE_READABLE($FQFN)) {
 		// Reset to default template
-		$file = $BASE.$template.".tpl";
+		$FQFN = $BASE.$template.".tpl";
 	} // END - if
 
 	// Now does the final template exists?
-	if (FILE_READABLE($file)) {
+	if (FILE_READABLE($FQFN)) {
 		// The local file does exists so we load it. :)
-		$tmpl_file = READ_FILE($file);
+		$tmpl_file = READ_FILE($FQFN);
 
 		// Replace ' to our own chars to preventing them being quoted
 		while (strpos($tmpl_file, "'") !== false) { $tmpl_file = str_replace("'", '{QUOT}', $tmpl_file); }
@@ -335,7 +347,7 @@ function LOAD_TEMPLATE ($template, $return=false, $content=array()) {
 		$ret = "";
 		if ((strpos($tmpl_file, "\$") !== false) || (strpos($tmpl_file, '{--') !== false) || (strpos($tmpl_file, '--}') > 0)) {
 			// Okay, compile it!
-			$tmpl_file = "\$ret=\"".COMPILE_CODE(addslashes($tmpl_file))."\";";
+			$tmpl_file = "\$ret=\"".COMPILE_CODE(smartAddSlashes($tmpl_file))."\";";
 			eval($tmpl_file);
 		} else {
 			// Simply return loaded code
@@ -344,10 +356,10 @@ function LOAD_TEMPLATE ($template, $return=false, $content=array()) {
 
 		// Add surrounding HTML comments to help finding bugs faster
 		$ret = "<!-- Template ".$template." - Start -->\n".$ret."<!-- Template ".$template." - End -->\n";
-	} elseif ((IS_ADMIN()) || ((isBooleanConstantAndTrue('mxchange_installing')) && (!isBooleanConstantAndTrue('mxchange_installed')))) {
+	} elseif ((IS_ADMIN()) || ((isInstalling()) && (!isBooleanConstantAndTrue('mxchange_installed')))) {
 		// Only admins shall see this warning or when installation mode is active
 		$ret = "<br /><span class=\"guest_failed\">".TEMPLATE_404."</span><br />
-(".basename($file).")<br />
+(".basename($FQFN).")<br />
 <br />
 ".TEMPLATE_CONTENT."
 <pre>".print_r($content, true)."</pre>
@@ -381,7 +393,7 @@ function SEND_EMAIL($TO, $SUBJECT, $MSG, $HTML = "N", $FROM = "") {
 	//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):TO={$TO},SUBJECT={$SUBJECT}<br />\n";
 
 	// Compile subject line (for POINTS constant etc.)
-	$eval = "\$SUBJECT = html_entity_decode(\"".COMPILE_CODE(addslashes($SUBJECT))."\");";
+	$eval = "\$SUBJECT = decodeEntities(\"".COMPILE_CODE(smartAddSlashes($SUBJECT))."\");";
 	eval($eval);
 
 	// Set from header
@@ -434,11 +446,11 @@ function SEND_EMAIL($TO, $SUBJECT, $MSG, $HTML = "N", $FROM = "") {
 	}
 
 	// Compile "TO"
-	$eval = "\$TO = \"".COMPILE_CODE(addslashes($TO))."\";";
+	$eval = "\$TO = \"".COMPILE_CODE(smartAddSlashes($TO))."\";";
 	eval($eval);
 
 	// Compile "MSG"
-	$eval = "\$MSG = \"".COMPILE_CODE(addslashes($MSG))."\";";
+	$eval = "\$MSG = \"".COMPILE_CODE(smartAddSlashes($MSG))."\";";
 	eval($eval);
 
 	// Fix HTML parameter (default is no!)
@@ -502,7 +514,7 @@ function SEND_RAW_EMAIL ($to, $subject, $msg, $from) {
 			$mail->WordWrap   = 70;
 			$mail->IsHTML(true);
 		} else {
-			$mail->Body       = html_entity_decode($msg);
+			$mail->Body       = decodeEntities($msg);
 		}
 		$mail->AddAddress($to, "");
 		$mail->AddReplyTo(constant('WEBMASTER'), constant('MAIN_TITLE'));
@@ -511,7 +523,7 @@ function SEND_RAW_EMAIL ($to, $subject, $msg, $from) {
 		$mail->Send();
 	} else {
 		// Use legacy mail() command
-		@mail($to, $subject, html_entity_decode($msg), $from);
+		@mail($to, $subject, decodeEntities($msg), $from);
 	}
 }
 //
@@ -622,35 +634,45 @@ function DEREFERER ($URL) {
 	// Don't de-refer our own links!
 	if (substr($URL, 0, strlen(URL)) != URL) {
 		// De-refer this link
-		$URL = "modules.php?module=loader&amp;url=".urlencode(base64_encode(gzcompress($URL)));
+		$URL = "modules.php?module=loader&amp;url=".encodeString(compileUriCode($URL));
 	} // END - if
 
 	// Return link
 	return $URL;
 }
 
-//
+// Translate Uni*-like gender to human-readable
 function TRANSLATE_GENDER ($gender) {
-	switch ($gender)
-	{
-		case "M": $ret = GENDER_M; break;
-		case "F": $ret = GENDER_F; break;
-		case "C": $ret = GENDER_C; break;
-		default : $ret = $gender; break;
+	// Default
+	$ret = "!{$gender}!";
+
+	// Male/female or company?
+	switch ($gender) {
+		case "M": $ret = getMessage('GENDER_M'); break;
+		case "F": $ret = getMessage('GENDER_F'); break;
+		case "C": $ret = getMessage('GENDER_C'); break;
+		default:
+			// Log unknown gender
+			DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Unknown gender %s detected.", $gender));
+			break;
 	}
+
+	// Return translated gender
 	return $ret;
 }
+
 //
-function FRAMETESTER($URL) {
+function FRAMETESTER ($URL) {
 	// Prepare frametester URL
 	$frametesterUrl = sprintf("%s/modules.php?module=frametester&amp;url=%s",
 		URL,
-		urlencode(base64_encode(gzcompress(COMPILE_CODE($URL))))
+		encodeString(compileUriCode($URL))
 	);
 	return $frametesterUrl;
 }
+
 //
-function SELECTION_COUNT($array) {
+function SELECTION_COUNT ($array) {
 	$ret = 0;
 	if (is_array($array)) {
 		foreach ($array as $key => $sel) {
@@ -664,37 +686,31 @@ function IMG_CODE ($code, $type, $DATA, $uid) {
 	return "<IMG border=\"0\" alt=\"Code\" src=\"{!URL!}/mailid_top.php?uid=".$uid."&amp;".$type."=".$DATA."&amp;mode=img&amp;code=".$code."\">";
 }
 //
-function TRANSLATE_STATUS($status) {
+function TRANSLATE_STATUS ($status) {
 	switch ($status)
 	{
 	case "UNCONFIRMED":
-		$ret = ACCOUNT_UNCONFIRMED;
-		break;
-
 	case "CONFIRMED":
-		$ret = ACCOUNT_CONFIRMED;
-		break;
-
 	case "LOCKED":
-		$ret = ACCOUNT_LOCKED;
+		$ret = getMessage(sprintf("ACCOUNT_%s", $status));
 		break;
 
 	case "":
 	case null:
-		$ret = ACCOUNT_DELETED;
+		$ret = getMessage('ACCOUNT_DELETED');
 		break;
 
 	default:
 		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Unknown status %s detected.", $status));
-		$ret = UNKNOWN_STATUS_1.$status.UNKNOWN_STATUS_2;
+		$ret = sprintf(getMessage('UNKNOWN_STATUS"'), $status);
 		break;
 	}
+
+	// Return it
 	return $ret;
 }
 //
 function GET_LANGUAGE() {
-	global $cacheArray;
-
 	// Set default return value to default language from config
 	$ret = constant('DEFAULT_LANG');
 
@@ -702,15 +718,15 @@ function GET_LANGUAGE() {
 	$lang = "";
 
 	// Is the variable set
-	if (!empty($_GET['mx_lang'])) {
+	if (REQUEST_ISSET_GET(('mx_lang'))) {
 		// Accept only first 2 chars
-		$lang = substr($_GET['mx_lang'], 0, 2);
-	} elseif (isset($cacheArray['language'])) {
+		$lang = substr(REQUEST_GET('mx_lang'), 0, 2);
+	} elseif (isset($GLOBALS['cache_array']['language'])) {
 		// Use cached
-		$ret = $cacheArray['language'];
+		$ret = $GLOBALS['cache_array']['language'];
 	} elseif (!empty($lang)) {
 		// Check if main language file does exist
-		if (FILE_READABLE(PATH."inc/language/".$lang.".php")) {
+		if (FILE_READABLE(constant('PATH')."inc/language/".$lang.".php")) {
 			// Okay found, so let's update cookies
 			SET_LANGUAGE($lang);
 		}
@@ -723,7 +739,7 @@ function GET_LANGUAGE() {
 	}
 
 	// Cache entry
-	$cacheArray['language'] = $ret;
+	$GLOBALS['cache_array']['language'] = $ret;
 
 	// Return value
 	return $ret;
@@ -738,7 +754,7 @@ function SET_LANGUAGE ($lang) {
 }
 //
 function LOAD_EMAIL_TEMPLATE($template, $content=array(), $UID="0") {
-	global $DATA, $REPLACER, $_CONFIG;
+	global $DATA, $_CONFIG;
 
 	// Make sure all template names are lowercase!
 	$template = strtolower($template);
@@ -768,7 +784,7 @@ function LOAD_EMAIL_TEMPLATE($template, $content=array(), $UID="0") {
 	// Expiration in a nice output format
 	if (getConfig('auto_purge') == 0) {
 		// Will never expire!
-		$EXPIRATION = MAIL_WILL_NEVER_EXPIRE;
+		$EXPIRATION = getMessage('MAIL_WILL_NEVER_EXPIRE');
 	} else {
 		// Create nice date string
 		$EXPIRATION = CREATE_FANCY_TIME(getConfig('auto_purge'));
@@ -820,41 +836,41 @@ function LOAD_EMAIL_TEMPLATE($template, $content=array(), $UID="0") {
 	// Check for admin/guest/member templates
 	if (strpos($template, "admin_") > -1) {
 		// Admin template found
-		$file = $BASE."admin/".$template.".tpl";
+		$FQFN = $BASE."admin/".$template.".tpl";
 	} elseif (strpos($template, "guest_") > -1) {
 		// Guest template found
-		$file = $BASE."guest/".$template.".tpl";
+		$FQFN = $BASE."guest/".$template.".tpl";
 	} elseif (strpos($template, "member_") > -1) {
 		// Member template found
-		$file = $BASE."member/".$template.".tpl";
+		$FQFN = $BASE."member/".$template.".tpl";
 	} else {
 		// Test for extension
 		$test = substr($template, 0, strpos($template, "_"));
 		if (EXT_IS_ACTIVE($test)) {
 			// Set extra path to extension's name
-			$file = $BASE.$test."/".$template.".tpl";
+			$FQFN = $BASE.$test."/".$template.".tpl";
 		} else {
 			// No special filename
-			$file = $BASE.$template.".tpl";
+			$FQFN = $BASE.$template.".tpl";
 		}
 	}
 
 	// Does the special template exists?
-	if (!FILE_READABLE($file)) {
+	if (!FILE_READABLE($FQFN)) {
 		// Reset to default template
-		$file = $BASE.$template.".tpl";
+		$FQFN = $BASE.$template.".tpl";
 	} // END - if
 
 	// Now does the final template exists?
 	$newContent = "";
-	if (FILE_READABLE($file)) {
+	if (FILE_READABLE($FQFN)) {
 		// The local file does exists so we load it. :)
-		$tmpl_file = READ_FILE($file);
-		$tmpl_file = addslashes($tmpl_file);
+		$tmpl_file = READ_FILE($FQFN);
+		$tmpl_file = SQL_ESCAPE($tmpl_file);
 
 		// Run code
-		$tmpl_file = "\$newContent = html_entity_decode(\"".COMPILE_CODE($tmpl_file)."\");";
-		@eval($tmpl_file);
+		$tmpl_file = "\$newContent = decodeEntities(\"".COMPILE_CODE($tmpl_file)."\");";
+		eval($tmpl_file);
 	} elseif (!empty($template)) {
 		// Template file not found!
 		$newContent = "{--TEMPLATE_404--}: ".$template."<br />
@@ -887,7 +903,7 @@ function LOAD_EMAIL_TEMPLATE($template, $content=array(), $UID="0") {
 	return COMPILE_CODE($newContent);
 }
 //
-function MAKE_TIME($H, $M, $S, $stamp) {
+function MAKE_TIME ($H, $M, $S, $stamp) {
 	// Extract day, month and year from given timestamp
 	$DAY   = date("d", $stamp);
 	$MONTH = date("m", $stamp);
@@ -897,11 +913,9 @@ function MAKE_TIME($H, $M, $S, $stamp) {
 	return mktime($H, $M, $S, $MONTH, $DAY, $YEAR);
 }
 //
-function LOAD_URL($URL, $addUrlData=true) {
-	global $CSS, $footer;
-
+function LOAD_URL ($URL, $addUrlData=true) {
 	// Compile out URI codes
-	$URL = COMPILE_CODE($URL);
+	$URL = compileUriCode($URL);
 
 	// Check if http(s):// is there
 	if ((substr($URL, 0, 7) != "http://") && (substr($URL, 0, 8) != "https://")) {
@@ -910,7 +924,7 @@ function LOAD_URL($URL, $addUrlData=true) {
 	}
 
 	// Get output buffer
-	//* DEBUG: */ debug_report_bug();
+	//* DEBUG: */ debug_report_bug(sprintf("%s[%s:] URL=%s", __FUNCTION__, __LINE__, $URL));
 	$OUTPUT = ob_get_contents();
 
 	// Clear it only if there is content
@@ -919,7 +933,7 @@ function LOAD_URL($URL, $addUrlData=true) {
 	} // END - if
 
 	// Add some data to URL if cookies are not accepted
-	if (((!defined('__COOKIES')) || (!__COOKIES)) && ($addUrlData)) $URL = ADD_URL_DATA($URL);
+	if (((!defined('__COOKIES')) || (!constant('__COOKIES'))) && ($addUrlData)) $URL = ADD_URL_DATA($URL);
 
 	// Probe for bot from search engine
 	if ((eregi("spider", GET_USER_AGENT())) || (eregi("bot", GET_USER_AGENT()))) {
@@ -957,18 +971,17 @@ function LOAD_CONFIGURED_URL ($configEntry) {
 }
 
 //
-function COMPILE_CODE($code, $simple = false, $constants = true, $full = true) {
-	global $SEC_CHARS, $URL_CHARS;
+function COMPILE_CODE ($code, $simple = false, $constants = true, $full = true) {
 	// Is the code a string?
 	if (!is_string($code)) {
 		// Silently return it
 		return $code;
 	} // END - if
 
-	$ARRAY = $SEC_CHARS;
+	$ARRAY = $GLOBALS['security_chars'];
 
 	// Select smaller set of chars to replace when we e.g. want to compile URLs
-	if (!$full) $ARRAY = $URL_CHARS;
+	if (!$full) $ARRAY = $GLOBALS['url_chars'];
 
 	// Compile constants
 	if ($constants) {
@@ -1056,8 +1069,7 @@ function COMPILE_CODE($code, $simple = false, $constants = true, $full = true) {
  * Sie, dass es doch nicht so schwer ist! :-)                           *
  *                                                                      *
  ************************************************************************/
-function array_pk_sort(&$array, $a_sort, $primary_key = 0, $order = -1, $nums = false)
-{
+function array_pk_sort (&$array, $a_sort, $primary_key = 0, $order = -1, $nums = false) {
 	$dummy = $array;
 	while ($primary_key < count($a_sort)) {
 		foreach ($dummy[$a_sort[$primary_key]] as $key => $value) {
@@ -1091,8 +1103,9 @@ function array_pk_sort(&$array, $a_sort, $primary_key = 0, $order = -1, $nums =
 	// Write back sorted array
 	$array = $dummy;
 }
+
 //
-function ADD_SELECTION($type, $DEFAULT, $prefix="", $id="0") {
+function ADD_SELECTION ($type, $DEFAULT, $prefix="", $id="0") {
 	global $MONTH_DESCR;
 	$OUT = "";
 
@@ -1205,34 +1218,41 @@ function ADD_SELECTION($type, $DEFAULT, $prefix="", $id="0") {
 	$OUT .= "    </select>\n";
 	return $OUT;
 }
+
 //
-function TRANSLATE_YESNO($yn)
-{
-	switch ($yn)
-	{
-		case "Y": $yn = YES; break;
-		case "N": $yn = NO; break;
-		default : $yn = "??? (".$yn.")"; break;
+function TRANSLATE_YESNO($yn) {
+	// Default
+	$yn = "??? (".$yn.")";
+	switch ($yn) {
+		case "Y": $yn = getMessage('YES'); break;
+		case "N": $yn = getMessage('NO'); break;
+		default:
+			// Log unknown value
+			DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Unknown value %s. Expected Y/N!", $yn));
+			break;
 	}
+
+	// Return it
 	return $yn;
 }
+
 //
 // Deprecated : $length
 // Optional   : $DATA
 //
-function GEN_RANDOM_CODE($length, $code, $uid, $DATA="") {
+function GEN_RANDOM_CODE ($length, $code, $uid, $DATA="") {
 	// Fix missing _MAX constant
 	if (!defined('_MAX')) define('_MAX', 15235);
 
 	// Build server string
-	$server = $_SERVER['PHP_SELF'].":".GET_USER_AGENT().":".getenv('SERVER_SOFTWARE').":".GET_REMOTE_ADDR().":".":".filemtime(PATH."inc/databases.php");
+	$server = $_SERVER['PHP_SELF'].":".GET_USER_AGENT().":".getenv('SERVER_SOFTWARE').":".GET_REMOTE_ADDR().":".":".filemtime(constant('PATH')."inc/databases.php");
 
 	// Build key string
-	$keys   = SITE_KEY.":".DATE_KEY;
-	if (getConfig('secret_key') != null)  $keys .= ":".getConfig('secret_key');
-	if (getConfig('file_hash') != null)   $keys .= ":".getConfig('file_hash');
+	$keys   = constant('SITE_KEY').":".constant('DATE_KEY');
+	if (isConfigEntrySet('secret_key'))  $keys .= ":".getConfig('secret_key');
+	if (isConfigEntrySet('file_hash'))   $keys .= ":".getConfig('file_hash');
 	$keys .= ":".date("d-m-Y (l-F-T)", bigintval(getConfig('patch_ctime')));
-	if (getConfig('master_salt') != null) $keys .= ":".getConfig('master_salt');
+	if (isConfigEntrySet('master_salt')) $keys .= ":".getConfig('master_salt');
 
 	// Build string from misc data
 	$data   = $code.":".$uid.":".$DATA;
@@ -1247,18 +1267,18 @@ function GEN_RANDOM_CODE($length, $code, $uid, $DATA="") {
 	// Calculate number for generating the code
 	$a = $code + constant('_ADD') - 1;
 
-	if (getConfig('master_hash') != null) {
+	if (isConfigEntrySet('master_hash')) {
 		// Generate hash with master salt from modula of number with the prime number and other data
 		$saltedHash = generateHash(($a % constant('_PRIME')).":".$server.":".$keys.":".$data.":".date("d-m-Y (l-F-T)", time()).":".$a, getConfig('master_salt'));
 
 		// Create number from hash
-		$rcode = hexdec(substr($saltedHash, strlen(getConfig('master_salt')), 9)) / abs(_MAX - $a + sqrt(_ADD)) / pi();
+		$rcode = hexdec(substr($saltedHash, strlen(getConfig('master_salt')), 9)) / abs(constant('_MAX') - $a + sqrt(constant('_ADD'))) / pi();
 	} else {
 		// Generate hash with "hash of site key" from modula of number with the prime number and other data
 		$saltedHash = generateHash(($a % constant('_PRIME')).":".$server.":".$keys.":".$data.":".date("d-m-Y (l-F-T)", time()).":".$a, substr(sha1(SITE_KEY), 0, 8));
 
 		// Create number from hash
-		$rcode = hexdec(substr($saltedHash, 8, 9)) / abs(_MAX - $a + sqrt(_ADD)) / pi();
+		$rcode = hexdec(substr($saltedHash, 8, 9)) / abs(constant('_MAX') - $a + sqrt(constant('_ADD'))) / pi();
 	}
 
 	// At least 10 numbers shall be secure enought!
@@ -1272,8 +1292,9 @@ function GEN_RANDOM_CODE($length, $code, $uid, $DATA="") {
 	// Done building code
 	return $return;
 }
+
 // Does only allow numbers
-function bigintval($num, $castValue = true) {
+function bigintval ($num, $castValue = true) {
 	// Filter all numbers out
 	$ret = preg_replace("/[^0123456789]/", "", $num);
 
@@ -1284,20 +1305,21 @@ function bigintval($num, $castValue = true) {
 	// @TODO Remove this if() block if all is working fine
 	if ("".$ret."" != "".$num."") {
 		// Log the values
-		debug_report_bug();
+		debug_report_bug("{$ret}<>{$num}");
 	} // END - if
 
 	// Return result
 	return $ret;
 }
+
 // Insert the code in $img_code into jpeg or PNG image
-function GENERATE_IMAGE($img_code, $header=true) {
+function GENERATE_IMAGE ($img_code, $headerSent=true) {
 	if ((strlen($img_code) > 6) || (empty($img_code)) || (getConfig('code_length') == 0)) {
 		// Stop execution of function here because of over-sized code length
 		return;
-	} elseif (!$header) {
+	} elseif (!$headerSent) {
 		// Return in an HTML code code
-		return "<IMG src=\"{!URL!}/img.php?code=".$img_code."\">\n";
+		return "<img src=\"{!URL!}/img.php?code=".$img_code."\" alt=\"Image\" />\n";
 	}
 
 	// Load image
@@ -1318,6 +1340,7 @@ function GENERATE_IMAGE($img_code, $header=true) {
 		}
 	} else {
 		// Exit function here
+		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("File for image type %s not found.", getConfig('img_type')));
 		return;
 	}
 
@@ -1403,31 +1426,31 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 		$OUT .= "<tr>\n";
 
 		if (ereg('Y', $display) || (empty($display))) {
-			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">"._YEARS."</strong></td>\n";
+			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">{--_YEARS--}</strong></td>\n";
 		}
 
 		if (ereg("M", $display) || (empty($display))) {
-			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">"._MONTHS."</strong></td>\n";
+			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">{--_MONTHS--}</strong></td>\n";
 		}
 
 		if (ereg("W", $display) || (empty($display))) {
-			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">"._WEEKS."</strong></td>\n";
+			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">{--_WEEKS--}</strong></td>\n";
 		}
 
 		if (ereg("D", $display) || (empty($display))) {
-			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">"._DAYS."</strong></td>\n";
+			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">{--_DAYS--}</strong></td>\n";
 		}
 
 		if (ereg("h", $display) || (empty($display))) {
-			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">"._HOURS."</strong></td>\n";
+			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">{--_HOURS--}</strong></td>\n";
 		}
 
 		if (ereg("m", $display) || (empty($display))) {
-			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">"._MINUTES."</strong></td>\n";
+			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">{--_MINUTES--}</strong></td>\n";
 		}
 
 		if (ereg("s", $display) || (empty($display))) {
-			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">"._SECONDS."</strong></td>\n";
+			$OUT .= "  <td align=\"center\" class=\"admin_title bottom\"><div class=\"tiny\">{--_SECONDS--}</strong></td>\n";
 		}
 
 		$OUT .= "</tr>\n";
@@ -1438,7 +1461,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 			$OUT .= "  <td align=\"center\"><select class=\"mini_select\" name=\"".$prefix."_ye\" size=\"1\">\n";
 			for ($idx = 0; $idx <= 10; $idx++) {
 				$OUT .= "    <option class=\"mini_select\" value=\"".$idx."\"";
-				if ($idx == $Y) $OUT .= " selected default";
+				if ($idx == $Y) $OUT .= " selected=\"selected\"";
 				$OUT .= ">".$idx."</option>\n";
 			}
 			$OUT .= "  </select></td>\n";
@@ -1452,7 +1475,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 			for ($idx = 0; $idx <= 11; $idx++)
 			{
 					$OUT .= "  <option class=\"mini_select\" value=\"".$idx."\"";
-				if ($idx == $M) $OUT .= " selected default";
+				if ($idx == $M) $OUT .= " selected=\"selected\"";
 				$OUT .= ">".$idx."</option>\n";
 			}
 			$OUT .= "  </select></td>\n";
@@ -1465,7 +1488,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 			$OUT .= "  <td align=\"center\"><select class=\"mini_select\" name=\"".$prefix."_we\" size=\"1\">\n";
 			for ($idx = 0; $idx <= 4; $idx++) {
 				$OUT .= "  <option class=\"mini_select\" value=\"".$idx."\"";
-				if ($idx == $W) $OUT .= " selected default";
+				if ($idx == $W) $OUT .= " selected=\"selected\"";
 				$OUT .= ">".$idx."</option>\n";
 			}
 			$OUT .= "  </select></td>\n";
@@ -1478,7 +1501,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 			$OUT .= "  <td align=\"center\"><select class=\"mini_select\" name=\"".$prefix."_da\" size=\"1\">\n";
 			for ($idx = 0; $idx <= 31; $idx++) {
 				$OUT .= "  <option class=\"mini_select\" value=\"".$idx."\"";
-				if ($idx == $D) $OUT .= " selected default";
+				if ($idx == $D) $OUT .= " selected=\"selected\"";
 				$OUT .= ">".$idx."</option>\n";
 			}
 			$OUT .= "  </select></td>\n";
@@ -1491,7 +1514,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 			$OUT .= "  <td align=\"center\"><select class=\"mini_select\" name=\"".$prefix."_ho\" size=\"1\">\n";
 			for ($idx = 0; $idx <= 23; $idx++) 	{
 				$OUT .= "  <option class=\"mini_select\" value=\"".$idx."\"";
-				if ($idx == $h) $OUT .= " selected default";
+				if ($idx == $h) $OUT .= " selected=\"selected\"";
 				$OUT .= ">".$idx."</option>\n";
 			}
 			$OUT .= "  </select></td>\n";
@@ -1504,7 +1527,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 			$OUT .= "  <td align=\"center\"><select class=\"mini_select\" name=\"".$prefix."_mi\" size=\"1\">\n";
 			for ($idx = 0; $idx <= 59; $idx++) {
 				$OUT .= "  <option class=\"mini_select\" value=\"".$idx."\"";
-				if ($idx == $m) $OUT .= " selected default";
+				if ($idx == $m) $OUT .= " selected=\"selected\"";
 				$OUT .= ">".$idx."</option>\n";
 			}
 			$OUT .= "  </select></td>\n";
@@ -1517,7 +1540,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 			$OUT .= "  <td align=\"center\"><select class=\"mini_select\" name=\"".$prefix."_se\" size=\"1\">\n";
 			for ($idx = 0; $idx <= 59; $idx++) {
 				$OUT .= "  <option class=\"mini_select\" value=\"".$idx."\"";
-				if ($idx == $s) $OUT .= " selected default";
+				if ($idx == $s) $OUT .= " selected=\"selected\"";
 				$OUT .= ">".$idx."</option>\n";
 			}
 			$OUT .= "  </select></td>\n";
@@ -1531,6 +1554,7 @@ function CREATE_TIME_SELECTIONS ($timestamp, $prefix="", $display="", $align="ce
 	}
 	return $OUT;
 }
+
 //
 function CREATE_TIMESTAMP_FROM_SELECTIONS ($prefix, $POST) {
 	// Initial return value
@@ -1559,9 +1583,10 @@ function CREATE_TIMESTAMP_FROM_SELECTIONS ($prefix, $POST) {
 	// Return calculated value
 	return $ret;
 }
+
 // Sends out mail to all administrators
 // IMPORTANT: Please use SEND_ADMIN_NOTIFCATION() for now!
-function SEND_ADMIN_EMAILS_PRO($subj, $template, $content, $UID) {
+function SEND_ADMIN_EMAILS_PRO ($subj, $template, $content, $UID) {
 	// Trim template name
 	$template = trim($template);
 
@@ -1585,17 +1610,28 @@ function SEND_ADMIN_EMAILS_PRO($subj, $template, $content, $UID) {
 		$aids = array();
 		while (list($aid) = SQL_FETCHROW($result)) {
 			$aids[] = $aid;
-		}
+		} // END - while
 
 		// Free memory
 		SQL_FREERESULT($result);
 
+		// Init result
+		$result = false;
+
 		// "implode" IDs and query string
 		$aid = implode(",", $aids);
 		if ($aid == "-1") {
-			// Add line to userlog
-			USERLOG_ADD_LINE($subj, $msg, $UID);
-			return;
+			if (EXT_IS_ACTIVE("events")) {
+				// Add line to user events
+				EVENTS_ADD_LINE($subj, $msg, $UID);
+			} else {
+				// Log error for debug
+				DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Extension 'events' missing: tpl=%s,subj=%s,UID=%s",
+					$template,
+					$subj,
+					$UID
+				));
+			}
 		} elseif ($aid == "0") {
 			// Select all email adresses
 			$result = SQL_QUERY("SELECT email FROM `{!_MYSQL_PREFIX!}_admins` ORDER BY `id`", __FILE__, __LINE__);
@@ -1608,11 +1644,12 @@ function SEND_ADMIN_EMAILS_PRO($subj, $template, $content, $UID) {
 	// Load email addresses and send away
 	while (list($email) = SQL_FETCHROW($result)) {
 		SEND_EMAIL($email, $subj, $msg);
-	}
+	} // END - while
 
 	// Free memory
 	SQL_FREERESULT($result);
 }
+
 //
 function CREATE_FANCY_TIME ($stamp) {
 	// Get data array with years/months/weeks/days/...
@@ -1621,7 +1658,7 @@ function CREATE_FANCY_TIME ($stamp) {
 	foreach($data as $k => $v) {
 		if ($v > 0) {
 			// Value is greater than 0 "eval" data to return string
-			$eval = "\$ret .= \", \".\$v.\" \"._".strtoupper($k).";";
+			$eval = "\$ret .= \", \".\$v.\" {--_".strtoupper($k)."--}\";";
 			eval($eval);
 			break;
 		} // END - if
@@ -1633,14 +1670,15 @@ function CREATE_FANCY_TIME ($stamp) {
 		$ret = substr($ret, 2);
 	} else {
 		// Zero seconds
-		$ret = "0 "._SECONDS;
+		$ret = "0 {--_SECONDS--}";
 	}
 
 	// Return fancy time string
 	return $ret;
 }
+
 //
-function ADD_EMAIL_NAV($PAGES, $offset, $show_form, $colspan, $return=false) {
+function ADD_EMAIL_NAV ($PAGES, $offset, $show_form, $colspan, $return=false) {
 	$SEP = ""; $TOP = "";
 	if (!$show_form) {
 		$TOP = " top2";
@@ -1650,7 +1688,7 @@ function ADD_EMAIL_NAV($PAGES, $offset, $show_form, $colspan, $return=false) {
 	$NAV = "";
 	for ($page = 1; $page <= $PAGES; $page++) {
 		// Is the page currently selected or shall we generate a link to it?
-		if (($page == $_GET['page']) || ((empty($_GET['page'])) && ($page == "1"))) {
+		if (($page == REQUEST_GET('page')) || ((!REQUEST_ISSET_GET(('page'))) && ($page == "1"))) {
 			// Is currently selected, so only highlight it
 			$NAV .= "<strong>-";
 		} else {
@@ -1658,13 +1696,13 @@ function ADD_EMAIL_NAV($PAGES, $offset, $show_form, $colspan, $return=false) {
 			$NAV .= "<a href=\"{!URL!}/modules.php?module=admin&amp;what=".$GLOBALS['what']."&amp;page=".$page."&amp;offset=".$offset;
 
 			// Add userid when we shall show all mails from a single member
-			if ((isset($_GET['u_id'])) && (bigintval($_GET['u_id']) > 0)) $NAV .= "&amp;u_id=".bigintval($_GET['u_id']);
+			if ((REQUEST_ISSET_GET(('uid'))) && (bigintval(REQUEST_GET('uid')) > 0)) $NAV .= "&amp;uid=".bigintval(REQUEST_GET('uid'));
 
 			// Close open anchor tag
 			$NAV .= "\">";
 		}
 		$NAV .= $page;
-		if (($page == $_GET['page']) || ((empty($_GET['page'])) && ($page == "1"))) {
+		if (($page == REQUEST_GET('page')) || ((!REQUEST_ISSET_GET(('page'))) && ($page == "1"))) {
 			// Is currently selected, so only highlight it
 			$NAV .= "-</strong>";
 		} else {
@@ -1699,7 +1737,7 @@ function ADD_EMAIL_NAV($PAGES, $offset, $show_form, $colspan, $return=false) {
 // Extract host from script name
 function EXTRACT_HOST (&$script) {
 	// Use default SERVER_URL by default... ;) So?
-	$url = SERVER_URL;
+	$url = constant('SERVER_URL');
 
 	// Is this URL valid?
 	if (substr($script, 0, 7) == "http://") {
@@ -1742,8 +1780,8 @@ function GET_URL ($script) {
 	// Generate GET request header
 	$request  = "GET /" . trim($script) . " HTTP/1.1\r\n";
 	$request .= "Host: " . $host . "\r\n";
-	$request .= "Referer: " . URL . "/admin.php\r\n";
-	$request .= "User-Agent: " . TITLE . "/" . FULL_VERSION . "\r\n";
+	$request .= "Referer: " . constant('URL') . "/admin.php\r\n";
+	$request .= "User-Agent: " . constant('TITLE') . "/" . constant('FULL_VERSION') . "\r\n";
 	$request .= "Content-Type: text/plain\r\n";
 	$request .= "Cache-Control: no-cache\r\n";
 	$request .= "Connection: Close\r\n\r\n";
@@ -1776,8 +1814,8 @@ function POST_URL ($script, $postData) {
 	// Generate POST request header
 	$request  = "POST /" . trim($script) . " HTTP/1.1\r\n";
 	$request .= "Host: " . $host . "\r\n";
-	$request .= "Referer: " . URL . "/admin.php\r\n";
-	$request .= "User-Agent: " . TITLE . "/" . FULL_VERSION . "\r\n";
+	$request .= "Referer: " . constant('URL') . "/admin.php\r\n";
+	$request .= "User-Agent: " . constant('TITLE') . "/" . constant('FULL_VERSION') . "\r\n";
 	$request .= "Content-type: application/x-www-form-urlencoded\r\n";
 	$request .= "Content-length: " . strlen($data) . "\r\n";
 	$request .= "Cache-Control: no-cache\r\n";
@@ -1899,6 +1937,7 @@ function SEND_RAW_REQUEST ($host, $request) {
 	// Return response
 	return $response;
 }
+
 // Taken from www.php.net eregi() user comments
 function VALIDATE_EMAIL($email) {
 	// Compile email
@@ -1916,6 +1955,7 @@ function VALIDATE_EMAIL($email) {
 	// Return check result
 	return eregi($regex, $email);
 }
+
 // Function taken from user comments on www.php.net / function eregi()
 function VALIDATE_URL ($URL, $compile=true) {
 	// Trim URL a little
@@ -1923,7 +1963,7 @@ function VALIDATE_URL ($URL, $compile=true) {
 	//* DEBUG: */ echo $URL."<br />";
 
 	// Compile some chars out...
-	if ($compile) $URL = COMPILE_CODE($URL, false, false, false);
+	if ($compile) $URL = compileUriCode($URL, false, false, false);
 	//* DEBUG: */ echo $URL."<br />";
 
 	// Check for the extension filter
@@ -1934,8 +1974,9 @@ function VALIDATE_URL ($URL, $compile=true) {
 
 	// If not installed, perform a simple test. Just make it sure there is always a http:// or
 	// https:// in front of the URLs
-	return (((substr($URL, 0, 7) == "http://") || (substr($URL, 0, 8) == "https://")) && (strlen($URL) >= 12));
+	return isUrlValid($URL);
 }
+
 //
 function MEMBER_ACTION_LINKS ($uid, $status = "") {
 	// Define all main targets
@@ -1945,7 +1986,7 @@ function MEMBER_ACTION_LINKS ($uid, $status = "") {
 	$eval = "\$OUT = \"[&nbsp;";
 
 	foreach ($TARGETS as $tar) {
-		$eval .= "<span class=\\\"admin_user_link\\\"><a href=\\\"{!URL!}/modules.php?module=admin&amp;what=".$tar."&amp;u_id=".$uid."\\\" title=\\\"{--ADMIN_LINK_";
+		$eval .= "<span class=\\\"admin_user_link\\\"><a href=\\\"{!URL!}/modules.php?module=admin&amp;what=".$tar."&amp;uid=".$uid."\\\" title=\\\"{--ADMIN_LINK_";
 		//* DEBUG: */ echo "*".$tar."/".$status."*<br />\n";
 		if (($tar == "lock_user") && ($status == "LOCKED")) {
 			// Locked accounts shall be unlocked
@@ -1972,11 +2013,14 @@ function MEMBER_ACTION_LINKS ($uid, $status = "") {
 	// Return string
 	return $OUT;
 }
+
 // Function for backward-compatiblity
-function ADD_CATEGORY_table ($MODE, $return=false) {
+// @TODO Can this function be deprecated?
+function ADD_CATEGORY_TABLE ($MODE, $return=false) {
 	// Load it from the register extension
-	return REGISTER_ADD_CATEGORY_table ($MODE, $return);
+	return REGISTER_ADD_CATEGORY_TABLE ($MODE, $return);
 }
+
 // Generate an email link
 function CREATE_EMAIL_LINK ($email, $table = "admins") {
 	// Default email link (INSECURE! Spammer can read this by harvester programs)
@@ -2019,7 +2063,7 @@ function generateHash ($plainText, $salt = "") {
 	// When the salt is empty build a new one, else use the first x configured characters as the salt
 	if (empty($salt)) {
 		// Build server string
-		$server = $_SERVER['PHP_SELF'].":".GET_USER_AGENT().":".getenv('SERVER_SOFTWARE').":".GET_REMOTE_ADDR().":".":".filemtime(PATH."inc/databases.php");
+		$server = $_SERVER['PHP_SELF'].":".GET_USER_AGENT().":".getenv('SERVER_SOFTWARE').":".GET_REMOTE_ADDR().":".":".filemtime(constant('PATH')."inc/databases.php");
 
 		// Build key string
 		$keys   = constant('SITE_KEY').":".constant('DATE_KEY').":".getConfig('secret_key').":".getConfig('file_hash').":".date("d-m-Y (l-F-T)", bigintval(getConfig('patch_ctime'))).":".getConfig('master_salt');
@@ -2140,9 +2184,9 @@ function ADD_URL_DATA ($URL) {
 
 	if ((!defined('__COOKIES')) || ((!__COOKIES))) {
 		// Cookies are not accepted
-		if ((!empty($_GET['refid'])) && (strpos($URL, "refid=") == 0)) {
+		if ((REQUEST_ISSET_GET(('refid'))) && (strpos($URL, "refid=") == 0)) {
 			// Cookie found in URL
-			$ADD .= $BIND."refid=".bigintval($_GET['refid']);
+			$ADD .= $BIND."refid=".bigintval(REQUEST_GET('refid'));
 		} elseif ((GET_EXT_VERSION("sql_patches") != '') && (getConfig('def_refid') > 0)) {
 			// Not found! So let's set default here
 			$ADD .= $BIND."refid=".getConfig('def_refid');
@@ -2250,59 +2294,28 @@ function DISPLAY_PARSING_TIME_FOOTER() {
 	LOAD_TEMPLATE("show_timings", false, $content);
 }
 
-// Unset/set session variables
-function set_session ($var, $value) {
-	global $CSS;
-
-	// Abort in CSS mode here
-	if ($CSS == 1) return true;
-
-	// Trim value and session variable
-	$var = trim(SQL_ESCAPE($var)); $value = trim($value);
-
-	// Is the session variable set?
-	if (("".$value."" == "") && (isSessionVariableSet($var))) {
-		// Remove the session
-		//* DEBUG: */ echo "UNSET:".$var."=".get_session($var)."<br />\n";
-		unset($_SESSION[$var]);
-		return session_unregister($var);
-	} elseif (("".$value."" != '') && (!isSessionVariableSet($var))) {
-		// Set session
-		//* DEBUG: */ echo "SET:".$var."=".$value."<br />\n";
-		$_SESSION[$var] =  $value;
-		return session_register($var);
-	} elseif (!empty($value)) {
-		// Update session
-		//* DEBUG: */ echo "UPDATE:".$var."=".$value."<br />\n";
-		$_SESSION[$var] = $value;
-		return true;
-	}
-
-	// Ignored (but valid)
-	//* DEBUG: */ echo "IGNORED:".$var."=".$value."<br />\n";
-	return true;
-}
-
 // Check wether a boolean constant is set
 // Taken from user comments in PHP documentation for function constant()
-function isBooleanConstantAndTrue($constName) { // : Boolean
-	global $cacheArray;
-
+function isBooleanConstantAndTrue ($constName) { // : Boolean
 	// Failed by default
 	$res = false;
 
 	// In cache?
-	if (isset($cacheArray['const'][$constName])) {
+	if (isset($GLOBALS['cache_array']['const'][$constName])) {
 		// Use cache
 		//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): ".$constName."-CACHE!<br />\n";
-		$res = $cacheArray['const'][$constName];
+		$res = ($GLOBALS['cache_array']['const'][$constName] === true);
 	} else {
 		// Check constant
 		//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): ".$constName."-RESOLVE!<br />\n";
-		if (defined($constName)) $res = (constant($constName) === true);
+		if (defined($constName)) {
+			// Found!
+			//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): ".$constName."-FOUND!<br />\n";
+			$res = (constant($constName) === true);
+		} // END - if
 
 		// Set cache
-		$cacheArray['const'][$constName] = $res;
+		$GLOBALS['cache_array']['const'][$constName] = $res;
 	}
 	//* DEBUG: */ var_dump($res);
 
@@ -2310,922 +2323,1076 @@ function isBooleanConstantAndTrue($constName) { // : Boolean
 	return $res;
 }
 
-// Check wether a session variable is set
-function isSessionVariableSet ($var) {
-	//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):var={$var}<br />\n";
-	return (isset($_SESSION[$var]));
+// Checks if a given apache module is loaded
+function IF_APACHE_MODULE_LOADED ($apacheModule) {
+	// Check it and return result
+	return (((function_exists('apache_get_modules')) && (in_array($apacheModule, apache_get_modules()))) || (!function_exists('apache_get_modules')));
 }
-// Returns wether the value of the session variable or NULL if not set
-function get_session ($var) {
-	global $cacheArray;
-
-	// Default is not found! ;-)
-	$value = null;
-
-	// Is the variable there or cached values?
-	if (isset($cacheArray['session'][$var])) {
-		// Get cached value (skips a lot SQL_ESCAPE() calles!
-		//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): ".$var."-CACHE!<br />\n";
-		$value = $cacheArray['session'][$var];
-	} elseif (isSessionVariableSet($var)) {
-		// Then  get it secured!
-		//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): ".$var."-RESOLVE!<br />\n";
-		$value = SQL_ESCAPE($_SESSION[$var]);
 
-		// Cache the value
-		$cacheArray['session'][$var] = $value;
-	} // END - if
-
-	// Return the value
-	return $value;
-}
+// "Getter" for language strings
+// @TODO Rewrite all language constants to this function.
+function getMessage ($messageId) {
+	// Default is not found!
+	$return = "!".$messageId."!";
 
-// Send notification to admin
-function SEND_ADMIN_NOTIFICATION($subject, $templateName, $content=array(), $uid="0") {
-	if (GET_EXT_VERSION("admins") >= "0.4.1") {
-		// Send new way
-		SEND_ADMIN_EMAILS_PRO($subject, $templateName, $content, $uid);
+	// Is the language string found?
+	if (isset($GLOBALS['msg'][strtolower($messageId)])) {
+		// Language array element found in small_letters
+		$return = $GLOBALS['msg'][$messageId];
+	} elseif (isset($GLOBALS['msg'][strtoupper($messageId)])) {
+		// @DEPRECATED Language array element found in BIG_LETTERS
+		$return = $GLOBALS['msg'][$messageId];
+	} elseif (defined($messageId)) {
+		// @DEPRECATED Deprecated constant found
+		$return = constant($messageId);
 	} else {
-		// Send outdated way
-		$msg = LOAD_EMAIL_TEMPLATE($templateName, $content, $uid);
-		SEND_ADMIN_EMAILS($subject, $msg);
-	}
-}
-
-// Destroy user session
-function destroy_user_session () {
-	// Reset userid
-	$GLOBALS['userid'] = 0;
-
-	// Remove all user data from session
-	return ((set_session('userid', "")) && (set_session('u_hash', "")));
-}
-
-// Merges an array together but only if both are arrays
-function merge_array ($array1, $array2) {
-	// Are both an array?
-	if ((is_array($array1)) && (is_array($array2))) {
-		// Merge all together
-		return array_merge($array1, $array2);
-	} elseif (is_array($array1)) {
-		// Return left array
-		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("array2 is not an array. array != %s", gettype($array2)));
-		return $array1;
-	} elseif (is_array($array2)) {
-		// Return right array
-		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("array1 is not an array. array != %s", gettype($array1)));
-		return $array2;
+		// Missing language constant
+		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Missing message string %s detected.", $messageId));
 	}
 
-	// Both are not arrays
-	debug_report_bug(__FUNCTION__.":");
+	// Return the string
+	return $return;
 }
 
-// Debug message logger
-function DEBUG_LOG ($file, $line, $message, $force=true) {
-	// Is debug mode enabled?
-	if ((isBooleanConstantAndTrue('DEBUG_MODE')) || ($force)) {
-		// Log this message away
-		$fp = fopen(PATH."inc/cache/debug.log", 'a') or mxchange_die("Cannot write logfile debug.log!");
-		fwrite($fp, date("d.m.Y|H:i:s", time())."|".basename($file)."|".$line."|".strip_tags($message)."\n");
-		fclose($fp);
-	} // END - if
-}
+// Get current theme name
+function GET_CURR_THEME() {
+	global $INC_POOL;
 
-// Reads a directory with PHP files in and gets only files back
-function GET_DIR_AS_ARRAY ($baseDir, $prefix) {
-	$INCs = array();
+	// The default theme is 'default'... ;-)
+	$ret = "default";
 
-	// Open directory
-	$dirPointer = opendir($baseDir) or mxchange_die("Cannot read ".basename($baseDir)." path!");
+	// Load default theme if not empty from configuration
+	if (getConfig('default_theme') != "") $ret = getConfig('default_theme');
 
-	// Read all entries
-	while ($baseFile = readdir($dirPointer)) {
-		// Load file only if extension is active
-		// Make full path
-		$file = $baseDir.$baseFile;
+	if (!isSessionVariableSet('mxchange_theme')) {
+		// Set default theme
+		set_session('mxchange_theme', $ret);
+	} elseif ((isSessionVariableSet('mxchange_theme')) && (GET_EXT_VERSION("sql_patches") >= "0.1.4")) {
+		//die("<pre>".print_r($GLOBALS['cache_array']['themes'], true)."</pre>");
+		// Get theme from cookie
+		$ret = get_session('mxchange_theme');
 
-		// Is this a valid reset file?
-		//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):baseDir={$baseDir},prefix={$prefix},baseFile={$baseFile}<br />\n";
-		if ((FILE_READABLE($file)) && (substr($baseFile, 0, strlen($prefix)) == $prefix) && (substr($baseFile, -4, 4) == ".php")) {
-			// Remove both for extension name
-			$extName = substr($baseFile, strlen($prefix), -4);
+		// Is it valid?
+		if (THEME_GET_ID($ret) == 0) {
+			// Fix it to default
+			$ret = "default";
+		} // END - if
+	} elseif ((!isBooleanConstantAndTrue('mxchange_installed')) && ((isInstalling()) || ($GLOBALS['output_mode'] == true)) && ((REQUEST_ISSET_GET(('theme'))) || (REQUEST_ISSET_POST(('theme'))))) {
+		// Prepare FQFN for checking
+		$theme = sprintf("%stheme/%s/theme.php", constant('PATH'), REQUEST_GET(('theme')));
 
-			// Try to find it
-			$extId = GET_EXT_ID($extName);
+		// Installation mode active
+		if ((REQUEST_ISSET_GET(('theme'))) && (FILE_READABLE($theme))) {
+			// Set cookie from URL data
+			set_session('mxchange_theme', REQUEST_GET(('theme')));
+		} elseif (FILE_READABLE(sprintf("%stheme/%s/theme.php", constant('PATH'), SQL_ESCAPE(REQUEST_POST('theme'))))) {
+			// Set cookie from posted data
+			set_session('mxchange_theme', SQL_ESCAPE(REQUEST_POST('theme')));
+		}
 
-			// Is the extension valid and active?
-			if (($extId > 0) && (EXT_IS_ACTIVE($extName))) {
-				// Then add this file
-				$INCs[] = $file;
-			} elseif ($extId == 0) {
-				// Add non-extension files as well
-				$INCs[] = $file;
-			}
-		} // END - if
-	} // END - while
+		// Set return value
+		$ret = get_session('mxchange_theme');
+	} else {
+		// Invalid design, reset cookie
+		set_session('mxchange_theme', $ret);
+	}
 
-	// Close directory
-	closedir($dirPointer);
+	// Add (maybe) found theme.php file to inclusion list
+	$theme = sprintf("%stheme/%s/theme.php", constant('PATH'), SQL_ESCAPE($ret));
 
-	// Sort array
-	asort($INCs);
+	// Try to load the requested include file
+	if (FILE_READABLE($theme)) $INC_POOL[] = $theme;
 
-	// Return array with include files
-	return $INCs;
+	// Return theme value
+	return $ret;
 }
-// Load more reset scripts
-function RESET_ADD_INCLUDES () {
-	// Is the reset set or old sql_patches?
-	if ((!defined('__DAILY_RESET')) || (EXT_VERSION_IS_OLDER("sql_patches", "0.4.5"))) {
+
+// Get id from theme
+function THEME_GET_ID ($name) {
+	// Is the extension "theme" installed?
+	if (!EXT_IS_ACTIVE("theme")) {
 		// Then abort here
-		return array();
+		return 0;
 	} // END - if
 
-	// Get more daily reset scripts
-	$INC_POOL = GET_DIR_AS_ARRAY(PATH."inc/reset/", "reset_");
-
-	// Update database
-	if (!defined('DEBUG_RESET')) UPDATE_CONFIG("last_update", time());
-
-	// Create current week mark
-	$currWeek = date("W", time());
-
-	// Has it changed?
-	if (getConfig('last_week') != $currWeek) {
-		// Include weekly reset scripts
-		$INC_POOL = merge_array($INC_POOL, GET_DIR_AS_ARRAY(PATH."inc/weekly/", "weekly_"));
+	// Default id
+	$id = 0;
 
-		// Update config
-		if (!defined('DEBUG_WEEKLY')) UPDATE_CONFIG("last_week", $currWeek);
-	} // END - if
+	// Is the cache entry there?
+	if (isset($GLOBALS['cache_array']['themes']['id'][$name])) {
+		// Get the version from cache
+		$id = $GLOBALS['cache_array']['themes']['id'][$name];
 
-	// Create current month mark
-	$currMonth = date("m", time());
+		// Count up
+		incrementConfigEntry('cache_hits');
+	} elseif (GET_EXT_VERSION("cache") != "0.1.8") {
+		// Check if current theme is already imported or not
+		$result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_themes` WHERE theme_path='%s' LIMIT 1",
+			array($name), __FILE__, __LINE__);
 
-	// Has it changed?
-	if (getConfig('last_month') != $currMonth) {
-		// Include monthly reset scripts
-		$INC_POOL = merge_array($INC_POOL, GET_DIR_AS_ARRAY(PATH."inc/monthly/", "monthly_"));
+		// Entry found?
+		if (SQL_NUMROWS($result) == 1) {
+			// Fetch data
+			list($id) = SQL_FETCHROW($result);
+		} // END - if
 
-		// Update config
-		if (!defined('DEBUG_MONTHLY')) UPDATE_CONFIG("last_month", $currMonth);
-	} // END - if
+		// Free result
+		SQL_FREERESULT($result);
+	}
 
-	// Return array
-	return $INC_POOL;
+	// Return id
+	return $id;
 }
-// Handle extra values
-function HANDLE_EXTRA_VALUES ($filterFunction, $value, $extraValue) {
-	// Default is the value itself
-	$ret = $value;
 
-	// Do we have a special filter function?
-	if (!empty($filterFunction)) {
-		// Does the filter function exist?
-		if (function_exists($filterFunction)) {
-			// Do we have extra parameters here?
-			if (!empty($extraValue)) {
-				// Put both parameters in one new array by default
-				$args = array($value, $extraValue);
-
-				// If we have an array simply use it and pre-extend it with our value
-				if (is_array($extraValue)) {
-					// Make the new args array
-					$args = merge_array(array($value), $extraValue);
-				} // END - if
+// Read a given file
+function READ_FILE ($FQFN, $sqlPrepare = false) {
+	// Load the file
+	if (function_exists('file_get_contents')) {
+		// Use new function
+		$content = file_get_contents($FQFN);
+	} else {
+		// Fall-back to implode-file chain
+		$content = implode("", file($FQFN));
+	}
 
-				// Call the multi-parameter call-back
-				$ret = call_user_func_array($filterFunction, $args);
-			} else {
-				// One parameter call
-				$ret = call_user_func($filterFunction, $value);
-			}
-		} // END - if
+	// Prepare SQL queries?
+	if ($sqlPrepare === true) {
+		// Remove some unwanted chars
+		$content = str_replace("\r", "", $content);
+		$content = str_replace("\n\n", "\n", $content);
 	} // END - if
 
-	// Return the value
-	return $ret;
-}
-// Check if given FQFN is a readable file
-function FILE_READABLE($fqfn) {
-	// Check all...
-	return ((file_exists($fqfn)) && (is_file($fqfn)) && (is_readable($fqfn)));
+	// Return the content
+	return $content;
 }
-// Converts timestamp selections into a timestamp
-function CONVERT_SELECTIONS_TO_TIMESTAMP(&$POST, &$DATA, &$id, &$skip) {
-	// Init test variable
-	$test2 = "";
 
-	// Get last three chars
-	$test = substr($id, -3);
+// Writes content to a file
+function WRITE_FILE ($FQFN, $content) {
+	// Is the file writeable?
+	if ((FILE_READABLE($FQFN)) && (!is_writeable($FQFN)) && (!chmod($FQFN, 0644))) {
+		// Not writeable!
+		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("File %s not writeable.", basename($FQFN)));
 
-	// Improved way of checking! :-)
-	if (in_array($test, array("_ye", "_mo", "_we", "_da", "_ho", "_mi", "_se"))) {
-		// Found a multi-selection for timings?
-		$test = substr($id, 0, -3);
-		if ((isset($POST[$test."_ye"])) && (isset($POST[$test."_mo"])) && (isset($POST[$test."_we"])) && (isset($POST[$test."_da"])) && (isset($POST[$test."_ho"])) && (isset($POST[$test."_mi"])) && (isset($POST[$test."_se"])) && ($test != $test2)) {
-			// Generate timestamp
-			$POST[$test] = CREATE_TIMESTAMP_FROM_SELECTIONS($test, $POST);
-			$DATA[] = sprintf("%s='%s'", $test, $POST[$test]);
+		// Failed! :(
+		return false;
+	} // END - if
 
-			// Remove data from array
-			foreach (array("ye", "mo", "we", "da", "ho", "mi", "se") as $rem) {
-				unset($POST[$test."_".$rem]);
-			} // END - foreach
+	// By default all is failed...
+	$return = false;
 
-			// Skip adding
-			unset($id); $skip = true; $test2 = $test;
-		} // END - if
+	// Is the function there?
+	if (function_exists('file_put_contents')) {
+		// Write it directly
+		$return = file_put_contents($FQFN, $content);
 	} else {
-		// Process this entry
-		$skip = false; $test2 = "";
+		// Write it with fopen
+		$fp = fopen($FQFN, 'w') or mxchange_die("Cannot write file ".basename($FQFN)."!");
+		fwrite($fp, $content);
+		fclose($fp);
+
+		// Set CHMOD rights
+		$return = chmod($FQFN, 0644);
 	}
+
+	// Return status
+	return $return;
 }
-// Reverts the german decimal comma into Computer decimal dot
-function REVERT_COMMA ($str) {
-	// Default float is not a float... ;-)
-	$float = false;
 
-	// Which language is selected?
-	switch (GET_LANGUAGE()) {
-		case "de": // German language
-			// Remove german thousand dots first
-			$str = str_replace(".", "", $str);
+// Generates an error code from given account status
+function GEN_ERROR_CODE_FROM_ACCOUNT_STATUS ($status) {
+	// Default error code if unknown account status
+	$ERROR = constant('CODE_UNKNOWN_STATUS');
 
-			// Replace german commata with decimal dot and cast it
-			$float = (float)str_replace(",", ".", $str);
-			break;
+	// Generate constant name
+	$constantName = sprintf("CODE_ID_%s", $status);
 
-		default: // US and so on
-			// Remove thousand dots first and cast
-			$float = (float)str_replace(",", "", $str);
-			break;
+	// Is the constant there?
+	if (defined($constantName)) {
+		// Then get it!
+		$ERROR = constant($constantName);
+	} else {
+		// Unknown status
+		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Unknown error status %s detected.", $status));
 	}
 
-	// Return float
-	return $float;
+	// Return error code
+	return $ERROR;
 }
 
-// Handle menu-depending failed logins and return the rendered content
-function HANDLE_LOGIN_FAILTURES ($accessLevel) {
-	// Default output is empty ;-)
-	$OUT = "";
+// Clears the output buffer. This function does *NOT* backup sent content.
+function clearOutputBuffer () {
+	// Trigger an error on failure
+	if (!ob_end_clean()) {
+		// Failed!
+		debug_report_bug(__FUNCTION__.": Failed to clean output buffer.");
+	} // END - if
+}
 
-	// Is the session data set?
-	if ((isSessionVariableSet('mxchange_'.$accessLevel.'_failures')) && (isSessionVariableSet('mxchange_'.$accessLevel.'_last_fail'))) {
-		// Ignore zero values
-		if (get_session('mxchange_'.$accessLevel.'_failures') > 0) {
-			// Non-guest has login failures found, get both data and prepare it for template
-			//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):accessLevel={$accessLevel}<br />\n";
-			$content = array(
-				'login_failures' => get_session('mxchange_'.$accessLevel.'_failures'),
-				'last_failure'   => MAKE_DATETIME(get_session('mxchange_'.$accessLevel.'_last_fail'), "2")
-			);
+// "Getter" for revision/version data
+function getActualVersion ($type = 0) {
+	// By default nothing is new... ;-)
+	$new = false;
 
-			// Load template
-			$OUT = LOAD_TEMPLATE("login_failures", true, $content);
-		} // END - if
+	// FQFN of revision file
+	$FQFN = sprintf("%sinc/cache/.revision", constant('PATH'));
 
-		// Reset session data
-		set_session('mxchange_'.$accessLevel.'_failures', "");
-		set_session('mxchange_'.$accessLevel.'_last_fail', "");
-	} // END - if
+	// Check for revision file
+	if (!FILE_READABLE($FQFN)) {
+		// Not found, so we need to create it
+		$new = true;
+	} else {
+		// Revision file found
+		$ins_vers = explode("\n", READ_FILE($FQFN));
 
-	// Return rendered content
-	return $OUT;
-}
+		// Is the content valid?
+		if ((!is_array($ins_vers)) || (count($ins_vers) <= 0) || (!isset($ins_vers[$type])) || ($ins_vers[0]) == "new") {
+			// File needs update!
+			$new = true;
+		} else {
+			// Revision-File has valid Data and isn't 'new' so return the Rev-Number
+			return trim($ins_vers[$type]);
+		}
+	}
 
-// Rebuild cache
-function REBUILD_CACHE ($cache, $inc="") {
-	global $cacheInstance, $CSS;
+	// Has it been updated?
+	if ($new === true)  {
+		// No Revision-File or has no valid Data so read the Revision from the Server.
+		$version = GET_URL("check-updates3.php");
 
-	// Shall I remove the cache file?
-	if ((EXT_IS_ACTIVE("cache")) && (is_object($cacheInstance))) {
-		// Rebuild cache
-		if ($cacheInstance->loadCacheFile($cache)) {
-			// Destroy it
-			$cacheInstance->destroyCacheFile();
-		} // END - if
+		// Prepare content
+		$akt_vers[] = trim($version[10]);
+		$akt_vers[] = trim($version[9]);
+		$akt_vers[] = trim($version[8]);
 
-		// Include file given?
-		if (!empty($inc)) {
-			// Construct FQFN
-			$INC = sprintf("inc/loader/load_cache-%s.php", $inc);
+		// Write file
+		WRITE_FILE($FQFN, implode("\n", $akt_vers));
 
-			// Is the include there?
-			if (FILE_READABLE($INC)) {
-				// And rebuild it from scratch
-				//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): inc={$inc} - LOADED!<br />\n";
-				LOAD_INC($INC);
-			} else {
-				// Include not found!
-				DEBUG_LOG(__FUNCTION__, __LINE__, "Include {$inc} not found. cache={$cache}");
-			}
-		} // END - if
-	} // END - if
+		// Return requested content
+		return trim($akt_vers[$type]);
+	}
 }
 
-// Purge admin menu cache
-function CACHE_PURGE_ADMIN_MENU ($id=0, $action="", $what="", $str="") {
-	global $cacheInstance;
+// Loads an include file and logs any missing files for debug purposes
+function LOAD_INC ($INC) {
+	// Get constant path
+	$PATH = constant('PATH');
 
-	// Is the cache extension enabled or no cache instance or admin menu cache disabled?
-	if (!EXT_IS_ACTIVE("cache")) {
-		// Cache extension not active
-		return false;
-	} elseif (!is_object($cacheInstance)) {
-		// No cache instance!
-		DEBUG_LOG(__FUNCTION__, __LINE__, " No cache instance found.");
-		return false;
-	} elseif ((!isConfigEntrySet('cache_admin_menu')) || (getConfig('cache_admin_menu') != "Y")) {
-		// Caching disabled (currently experiemental!)
+	// Use the include file name directly
+	// @TODO Try to find all locations where an FQFN is given to these two
+	// @TODO functions and avoid it.
+	$FQFN = $INC;
+
+	// Check if PATH is in $INC
+	if (substr($INC, 0, $PATH) != $PATH) {
+		// Add it. This is why we need a trailing slash in config.php
+		$FQFN = $PATH . $INC;
+	} // END - if
+
+	// Is the include file there?
+	if (!FILE_READABLE($FQFN)) {
+		// Not there so log it
+		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Include file %s not found.", basename($INC)));
 		return false;
-	}
+	} // END - if
 
-	// Experiemental feature!
-	debug_report_bug("<strong>Experimental feature:</strong> You have to delete the admin_*.cache files by yourself at this point.");
+	// Try to load it
+	require($FQFN);
 }
 
-// Translates the "pool type" into human-readable
-function TRANSLATE_POOL_TYPE ($type) {
-	// Default type is unknown
-	$translated = sprintf(getMessage('POOL_TYPE_UNKNOWN'), $type);
-
-	// Generate constant
-	$constName = sprintf("POOL_TYPE_%s", $type);
+// Loads an include file once
+function LOAD_INC_ONCE ($INC) {
+	// Is it not loaded?
+	if (!isset($GLOBALS['cache_array']['load_once'][$INC])) {
+		// Then try to load it
+		LOAD_INC($INC);
 
-	// Does it exist?
-	if (defined($constName)) {
-		// Then use it
-		$translated = constant($constName);
+		// And mark it as loaded
+		$GLOBALS['cache_array']['load_once'][$INC] = "loaded";
 	} // END - if
-
-	// Return "translation"
-	return $translated;
 }
 
-// "Getter" for remote IP number
-function GET_REMOTE_ADDR () {
-	// Get remote ip from environment
-	$remoteAddr = getenv('REMOTE_ADDR');
-
-	// Is removeip installed?
-	if (EXT_IS_ACTIVE("removeip")) {
-		// Then anonymize it
-		$remoteAddr = GET_ANONYMOUS_REMOTE_ADDR($remoteAddr);
-	} // END - if
+// Back-ported from the new ship-simu engine. :-)
+function debug_get_printable_backtrace () {
+	// Init variable
+	$backtrace = "<ol>\n";
 
-	// Return it
-	return $remoteAddr;
-}
-// "Getter" for remote hostname
-function GET_REMOTE_HOST () {
-	// Get remote ip from environment
-	$remoteHost = getenv('REMOTE_HOST');
+	// Get and prepare backtrace for output
+	$backtraceArray = debug_backtrace();
+	foreach ($backtraceArray as $key => $trace) {
+		if (!isset($trace['file'])) $trace['file'] = __FILE__;
+		if (!isset($trace['line'])) $trace['line'] = __LINE__;
+		if (!isset($trace['args'])) $trace['args'] = array();
+		$backtrace .= "<li class=\"debug_list\"><span class=\"backtrace_file\">".basename($trace['file'])."</span>:".$trace['line'].", <span class=\"backtrace_function\">".$trace['function']."(".count($trace['args']).")</span></li>\n";
+	} // END - foreach
 
-	// Is removeip installed?
-	if (EXT_IS_ACTIVE("removeip")) {
-		// Then anonymize it
-		$remoteHost = GET_ANONYMOUS_REMOTE_HOST($remoteHost);
-	} // END - if
+	// Close it
+	$backtrace .= "</ol>\n";
 
-	// Return it
-	return $remoteHost;
+	// Return the backtrace
+	return $backtrace;
 }
-// "Getter" for user agent
-function GET_USER_AGENT () {
-	// Get remote ip from environment
-	$userAgent = getenv('HTTP_USER_AGENT');
 
-	// Is removeip installed?
-	if (EXT_IS_ACTIVE("removeip")) {
-		// Then anonymize it
-		$userAgent = GET_ANONYMOUS_USER_AGENT($userAgent);
+// Output a debug backtrace to the user
+function debug_report_bug ($message = "") {
+	// Init message
+	$debug = "";
+	// Is the optional message set?
+	if (!empty($message)) {
+		// Use and log it
+		$debug = sprintf("Note: %s<br />\n",
+			$message
+		);
+
+		// @TODO Add a little more infos here
+		DEBUG_LOG(__FUNCTION__, __LINE__, $message);
 	} // END - if
 
-	// Return it
-	return $userAgent;
-}
-// "Getter" for referer
-function GET_REFERER () {
-	// Get remote ip from environment
-	$referer = getenv('HTTP_REFERER');
+	// Add output
+	$debug .= ("Please report this error at <a href=\"http://bugs.mxchange.org\" rel=\"external\" target=\"_blank\">bugs.mxchange.org</a>:<pre>");
+	$debug .= (debug_get_printable_backtrace());
+	$debug .= ("</pre>Thank you for your help finding bugs.");
 
-	// Is removeip installed?
-	if (EXT_IS_ACTIVE("removeip")) {
-		// Then anonymize it
-		$referer = GET_ANONYMOUS_REFERER($referer);
-	} // END - if
+	// And abort here
+	die($debug);
+}
 
-	// Return it
-	return $referer;
+// Generates a ***weak*** seed (taken from de.php.net/mt_srand)
+function generateSeed () {
+	list($usec, $sec) = explode(" ", microtime());
+	return ((float)$sec + (float)$usec);
 }
 
-// Adds a bonus mail to the queue
-// This is a high-level function!
-function ADD_NEW_BONUS_MAIL ($data, $mode="", $output=true) {
-	// Use mode from data if not set and availble ;-)
-	if ((empty($mode)) && (isset($data['mode']))) $mode = $data['mode'];
+// Converts a message code to a human-readable message
+function convertCodeToMessage ($code) {
+	$msg = "";
+	switch ($code) {
+		case constant('CODE_LOGOUT_DONE')      : $msg = getMessage('LOGOUT_DONE'); break;
+		case constant('CODE_LOGOUT_FAILED')    : $msg = "<span class=\"guest_failed\">{--LOGOUT_FAILED--}</span>"; break;
+		case constant('CODE_DATA_INVALID')     : $msg = getMessage('MAIL_DATA_INVALID'); break;
+		case constant('CODE_POSSIBLE_INVALID') : $msg = getMessage('MAIL_POSSIBLE_INVALID'); break;
+		case constant('CODE_ACCOUNT_LOCKED')   : $msg = getMessage('MEMBER_ACCOUNT_LOCKED_UNC'); break;
+		case constant('CODE_USER_404')         : $msg = getMessage('USER_NOT_FOUND'); break;
+		case constant('CODE_STATS_404')        : $msg = getMessage('MAIL_STATS_404'); break;
+		case constant('CODE_ALREADY_CONFIRMED'): $msg = getMessage('MAIL_ALREADY_CONFIRMED'); break;
 
-	// Generate receiver list
-	$RECEIVER = GENERATE_RECEIVER_LIST($data['cat'], $data['receiver'], $mode);
+		case constant('CODE_ERROR_MAILID'):
+			if (EXT_IS_ACTIVE($ext, true)) {
+				$msg = getMessage('ERROR_CONFIRMING_MAIL');
+			} else {
+				$msg = sprintf(getMessage('EXTENSION_PROBLEM_NOT_INSTALLED'), "mailid");
+			}
+			break;
 
-	// Receivers added?
-	if (!empty($RECEIVER)) {
-		// Add bonus mail to queue
-		ADD_BONUS_MAIL_TO_QUEUE(
-			$data['subject'],
-			$data['text'],
-			$RECEIVER,
-			$data['points'],
-			$data['seconds'],
-			$data['url'],
-			$data['cat'],
-			$mode,
-			$data['receiver']
-		);
+		case constant('CODE_EXTENSION_PROBLEM'):
+			if (REQUEST_ISSET_GET(('ext'))) {
+				$msg = sprintf(getMessage('EXTENSION_PROBLEM_EXT_INACTIVE'), REQUEST_GET(('ext')));
+			} else {
+				$msg = getMessage('EXTENSION_PROBLEM_UNSET_EXT');
+			}
+			break;
 
-		// Mail inserted into bonus pool
-		if ($output) LOAD_TEMPLATE("admin_settings_saved", false, getMessage('ADMIN_BONUS_SEND'));
-	} elseif ($output) {
-		// More entered than can be reached!
-		LOAD_TEMPLATE("admin_settings_saved", false, getMessage('ADMIN_MORE_SELECTED'));
-	} else {
-		// Debug log
-		DEBUG_LOG(__FUNCTION__, __LINE__, " cat={$data['cat']},receiver={$data['receiver']},data=".base64_encode(serialize($data))." More selected, than available!");
-	}
-}
+		case constant('CODE_COOKIES_DISABLED') : $msg = getMessage('LOGIN_NO_COOKIES'); break;
+		case constant('CODE_BEG_SAME_AS_OWN')  : $msg = getMessage('BEG_SAME_UID_AS_OWN'); break;
+		case constant('CODE_LOGIN_FAILED')     : $msg = getMessage('LOGIN_FAILED_GENERAL'); break;
+		default                                : $msg = sprintf(getMessage('UNKNOWN_MAILID_CODE'), $code); break;
+	} // END - switch
 
-// Determines referal id and sets it
-function DETERMINE_REFID () {
-	global $CLICK, $_SERVER;
+	// Return the message
+	return $msg;
+}
 
-	// Check if refid is set
-	if ((!empty($_GET['user'])) && ($CLICK == 1) && (basename($_SERVER['PHP_SELF']) == "click.php")) {
-		// The variable user comes from the click-counter script click.php and we only accept this here
-		$GLOBALS['refid'] = bigintval($_GET['user']);
-	} elseif (!empty($_POST['refid'])) {
-		// Get referal id from variable refid (so I hope this makes my script more compatible to other scripts)
-		$GLOBALS['refid'] = SQL_ESCAPE(strip_tags($_POST['refid']));
-	} elseif (!empty($_GET['refid'])) {
-		// Get referal id from variable refid (so I hope this makes my script more compatible to other scripts)
-		$GLOBALS['refid'] = SQL_ESCAPE(strip_tags($_GET['refid']));
-	} elseif (!empty($_GET['ref'])) {
-		// Set refid=ref (the referal link uses such variable)
-		$GLOBALS['refid'] = SQL_ESCAPE(strip_tags($_GET['ref']));
-	} elseif ((isSessionVariableSet('refid')) && (get_session('refid') != 0)) {
-		// Set session refid als global
-		$GLOBALS['refid'] = bigintval(get_session('refid'));
-	} elseif ((GET_EXT_VERSION("sql_patches") != "") && (getConfig('def_refid') > 0)) {
-		// Set default refid as refid in URL
-		$GLOBALS['refid'] = bigintval(getConfig('def_refid'));
-	} elseif ((GET_EXT_VERSION("user") >= "0.3.4") && (getConfig('select_user_zero_refid')) == "Y") {
-		// Select a random user which has confirmed enougth mails
-		$GLOBALS['refid'] = SELECT_RANDOM_REFID();
-	} else {
-		// No default ID when sql_patches is not installed or none set
-		$GLOBALS['refid'] = 0;
-	}
+// Checks wether the given extension is currently not installed
+// and redirects if so.
+function REDIRCT_ON_UNINSTALLED_EXTENSION ($ext_name) {
+	// Is the extension uninstalled/inactive?
+	if (!EXT_IS_ACTIVE($ext_name)) {
+		// Redirect to index
+		LOAD_URL("modules.php?module=index&amp;msg=".constant('CODE_EXTENSION_PROBLEM')."&amp;ext=".$ext_name);
+	} // END - if
+}
 
-	// Set cookie when default refid > 0
-	if (!isSessionVariableSet('refid') || (!empty($GLOBALS['refid'])) || ((get_session('refid') == "0") && (getConfig('def_refid') > 0))) {
-		// Set cookie
-		set_session('refid', $GLOBALS['refid']);
+// Generate a "link" for the given admin id (aid)
+function GENERATE_AID_LINK ($aid) {
+	// No assigned admin is default
+	$admin = "<div class=\"admin_note\">{--ADMIN_NO_ADMIN_ASSIGNED--}</div>";
+
+	// Zero? = Not assigned
+	if ($aid == "0") {
+		// Load admin's login
+		$login = GET_ADMIN_LOGIN($aid);
+		if ($login != "***") {
+			// Is the extension there?
+			if (EXT_IS_ACTIVE("admins")) {
+				// Admin found
+				$admin = "<a href=\"".ADMINS_CREATE_EMAIL_LINK(GET_ADMIN_EMAIL($aid))."\">".$login."</a>";
+			} else {
+				// Extension not found
+				$admin = sprintf(getMessage('EXTENSION_PROBLEM_NOT_INSTALLED'), "admins");
+			}
+		} else {
+			// Maybe deleted?
+			$admin = "<div class=\"admin_note\">".sprintf(getMessage('ADMIN_ID_404'), $aid)."</div>";
+		}
 	} // END - if
 
-	// Return determined refid
-	return $GLOBALS['refid'];
+	// Return result
+	return $admin;
 }
 
-// Destroys the admin session
-function destroyAdminSession ($destroy = true) {
-	// Kill maybe existing session variables including array elements
-	set_session('admin_login', "");
-	set_session('admin_md5'  , "");
-	set_session('admin_last' , "");
-	set_session('admin_to'   , "");
-
-	// Destroy session and return status
-	if ($destroy) {
-		return session_destroy();
-	} // END - if
+// Checks wether an include file (non-FQFN better) is readable
+function INCLUDE_READABLE ($INC) {
+	// Construct FQFN
+	$FQFN = constant('PATH') . $INC;
 
-	// All fine if we shall not really destroy the session
-	return true;
+	// Is it readable?
+	return FILE_READABLE($FQFN);
 }
 
-// Checks if a given apache module is loaded
-function IF_APACHE_MODULE_LOADED ($apacheModule) {
-	// Check it and return result
-	return (((function_exists('apache_get_modules')) && (in_array($apacheModule, apache_get_modules()))) || (!function_exists('apache_get_modules')));
+// Encode strings
+// @TODO Implement $compress
+function encodeString ($str, $compress=true) {
+	$str = urlencode(base64_encode(compileUriCode($str)));
+	return $str;
 }
 
-// Getter for $_CONFIG entries
-function getConfig ($entry) {
-	global $_CONFIG;
+// Decode strings encoded with encodeString()
+// @TODO Implement $decompress
+function decodeString ($str, $decompress=true) {
+	$str = compileUriCode(base64_decode(urldecode(compileUriCode($str))));
+	return $str;
+}
 
-	// Default value
-	$value = null;
+// Compile characters which are allowed in URLs
+function compileUriCode ($code, $simple=true) {
+	// Compile constants
+	if (!$simple) $code = str_replace("{--", '".', str_replace("--}", '."', $code));
 
-	// Is the entry there?
-	if (isConfigEntrySet($entry)) {
-		// Then use it
-		$value = $_CONFIG[$entry];
-	} // END - if
+	// Compile QUOT and other non-HTML codes
+	$code = str_replace("{DOT}", ".",
+		str_replace("{SLASH}", "/",
+		str_replace("{QUOT}", "'",
+		str_replace("{DOLLAR}", "$",
+		str_replace("{OPEN_ANCHOR}", "(",
+		str_replace("{CLOSE_ANCHOR}", ")",
+		str_replace("{OPEN_SQR}", "[",
+		str_replace("{CLOSE_SQR}", "]",
+		str_replace("{PER}", "%",
+		$code
+	)))))))));
 
-	// Return it
-	return $value;
+	// Return compiled code
+	return $code;
 }
 
-// Setter for $_CONFIG entries
-function setConfigEntry ($entry, $value) {
-	global $_CONFIG;
+// Function taken from user comments on www.php.net / function eregi()
+function isUrlValid ($url) {
+	// Prepare URL
+	$url = strip_tags(str_replace("\\", "", compileUriCode(urldecode($url))));
+
+	// Allows http and https
+	$http      = "(http|https)+(:\/\/)";
+	// Test domain
+	$domain1   = "([[:alnum:]]([-[:alnum:]])*\.)?([[:alnum:]][-[:alnum:]\.]*[[:alnum:]])(\.[[:alpha:]]{2,5})?";
+	// Test double-domains (e.g. .de.vu)
+	$domain2   = "([-[:alnum:]])?(\.[[:alnum:]][-[:alnum:]\.]*[[:alnum:]])(\.[[:alpha:]]{2,5})(\.[[:alpha:]]{2,5})?";
+	// Test IP number
+	$ip        = "([[:digit:]]{1,3})\.([[:digit:]]{1,3})\.([[:digit:]]{1,3})\.([[:digit:]]{1,3})";
+	// ... directory
+	$dir       = "((/)+([-_\.[:alnum:]])+)*";
+	// ... page
+	$page      = "/([-_[:alnum:]][-\._[:alnum:]]*\.[[:alnum:]]{2,5})?";
+	// ... and the string after and including question character
+	$getstring1 = "([\?/]([[:alnum:]][-\._%[:alnum:]]*(=)?([-\@\._:%[:alnum:]])+)(&([[:alnum:]]([-_%[:alnum:]])*(=)?([-\@\[\._:%[:alnum:]])+(\])*))*)?";
+	// Pattern for URLs like http://url/dir/doc.html?var=value
+	$pattern['d1dpg1']  = $http.$domain1.$dir.$page.$getstring1;
+	$pattern['d2dpg1']  = $http.$domain2.$dir.$page.$getstring1;
+	$pattern['ipdpg1']  = $http.$ip.$dir.$page.$getstring1;
+	// Pattern for URLs like http://url/dir/?var=value
+	$pattern['d1dg1']  = $http.$domain1.$dir."/".$getstring1;
+	$pattern['d2dg1']  = $http.$domain2.$dir."/".$getstring1;
+	$pattern['ipdg1']  = $http.$ip.$dir."/".$getstring1;
+	// Pattern for URLs like http://url/dir/page.ext
+	$pattern['d1dp']  = $http.$domain1.$dir.$page;
+	$pattern['d1dp']  = $http.$domain2.$dir.$page;
+	$pattern['ipdp']  = $http.$ip.$dir.$page;
+	// Pattern for URLs like http://url/dir
+	$pattern['d1d']  = $http.$domain1.$dir;
+	$pattern['d2d']  = $http.$domain2.$dir;
+	$pattern['ipd']  = $http.$ip.$dir;
+	// Pattern for URLs like http://url/?var=value
+	$pattern['d1g1']  = $http.$domain1."/".$getstring1;
+	$pattern['d2g1']  = $http.$domain2."/".$getstring1;
+	$pattern['ipg1']  = $http.$ip."/".$getstring1;
+	// Pattern for URLs like http://url?var=value
+	$pattern['d1g12']  = $http.$domain1.$getstring1;
+	$pattern['d2g12']  = $http.$domain2.$getstring1;
+	$pattern['ipg12']  = $http.$ip.$getstring1;
+	// Test all patterns
+	$reg = false;
+	foreach ($pattern as $key=>$pat) {
+		// Debug regex?
+		if (defined('DEBUG_REGEX')) {
+			$pat = str_replace("[:alnum:]", "0-9a-zA-Z", $pat);
+			$pat = str_replace("[:alpha:]", "a-zA-Z", $pat);
+			$pat = str_replace("[:digit:]", "0-9", $pat);
+			$pat = str_replace(".", "\.", $pat);
+			$pat = str_replace("@", "\@", $pat);
+			echo $key."=&nbsp;".$pat."<br />";
+		}
+
+		// Check if expression matches
+		$reg = ($reg || preg_match(("^".$pat."^"), $url));
 
-	// Secure the entry name
-	$entry = SQL_ESCAPE($entry);
+		// Does it match?
+		if ($reg === true) break;
+	}
 
-	// And set it
-	$_CONFIG[$entry] = $value;
+	// Return true/false
+	return $reg;
 }
 
-// Checks wether the given config entry is set
-function isConfigEntrySet ($entry) {
-	global $_CONFIG;
-	return (isset($_CONFIG[$entry]));
+// Smartly adds slashes
+function smartAddSlashes ($unquoted) {
+	$unquoted = str_replace("\\", "", $unquoted);
+	return addslashes($unquoted);
 }
 
-// Increment or init with given value or 1 as default the given config entry
-function incrementConfigEntry ($configEntry, $value=1) {
-	global $_CONFIG;
+// Decode entities in a nicer way
+function decodeEntities ($str) {
+	// @TODO We may want to switch over to UTF-8 here!
+	$decodedString = html_entity_decode($str, ENT_NOQUOTES, "ISO-8859-15");
 
-	// Increment it if set or init it with 1
-	if (getConfig($configEntry) > 0) {
-		$_CONFIG[$configEntry] += $value;
-	} else {
-		$_CONFIG[$configEntry] = $value;
-	}
+	// Return decoded string
+	return $decodedString;
 }
 
-// "Getter" for language strings
-// @TODO Rewrite all language constants to this function.
-function getMessage ($messageId) {
-	// Default is not found!
-	$return = "!".$messageId."!";
+// Wtites data to a config.php-style file
+// @TODO Rewrite this function to use READ_FILE() and WRITE_FILE()
+function changeDataInFile ($FQFN, $comment, $prefix, $suffix, $DATA, $seek=0) {
+	// Initialize some variables
+	$done = false;
+	$seek++;
+	$next  = -1;
+	$found = false;
 
-	// Is the language string found?
-	if (isset($GLOBALS['msg'][strtolower($messageId)])) {
-		// Language array element found in small_letters
-		$return = $GLOBALS['msg'][$messageId];
-	} elseif (isset($GLOBALS['msg'][strtoupper($messageId)])) {
-		// @DEPRECATED Language array element found in BIG_LETTERS
-		$return = $GLOBALS['msg'][$messageId];
-	} elseif (defined($messageId)) {
-		// @DEPRECATED Deprecated constant found
-		$return = constant($messageId);
-	} else {
-		// Missing language constant
-		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Missing message string %s detected.", $messageId));
-	}
+	// Is the file there and read-/write-able?
+	if ((FILE_READABLE($FQFN)) && (is_writeable($FQFN))) {
+		$search = "CFG: ".$comment;
+		$tmp = $FQFN.".tmp";
 
-	// Return the string
-	return $return;
-}
+		// Open the source file
+		$fp = @fopen($FQFN, 'r') or OUTPUT_HTML("<strong>READ:</strong> ".$FQFN."<br />");
 
-// Get current theme name
-function GET_CURR_THEME() {
-	global $INC_POOL, $CSS, $cacheArray;
+		// Is the resource valid?
+		if (is_resource($fp)) {
+			// Open temporary file
+			$fp_tmp = @fopen($tmp, 'w') or OUTPUT_HTML("<strong>WRITE:</strong> ".$tmp."<br />");
 
-	// The default theme is 'default'... ;-)
-	$ret = "default";
+			// Is the resource again valid?
+			if (is_resource($fp_tmp)) {
+				while (!feof($fp)) {
+					// Read from source file
+					$line = fgets ($fp, 1024);
 
-	// Load default theme if not empty from configuration
-	if (getConfig('default_theme') != "") $ret = getConfig('default_theme');
+					if (strpos($line, $search) > -1) { $next = 0; $found = true; }
 
-	if (!isSessionVariableSet('mxchange_theme')) {
-		// Set default theme
-		set_session('mxchange_theme', $ret);
-	} elseif ((isSessionVariableSet('mxchange_theme')) && (GET_EXT_VERSION("sql_patches") >= "0.1.4")) {
-		//die("<pre>".print_r($cacheArray['themes'], true)."</pre>");
-		// Get theme from cookie
-		$ret = get_session('mxchange_theme');
+					if ($next > -1) {
+						if ($next === $seek) {
+							$next = -1;
+							$line = $prefix . $DATA . $suffix."\n";
+						} else {
+							$next++;
+						}
+					}
 
-		// Is it valid?
-		if (THEME_GET_ID($ret) == 0) {
-			// Fix it to default
-			$ret = "default";
-		} // END - if
-	} elseif ((!isBooleanConstantAndTrue('mxchange_installed')) && ((isBooleanConstantAndTrue('mxchange_installing')) || ($CSS == true)) && ((!empty($_GET['theme'])) || (!empty($_POST['theme'])))) {
-		// Prepare FQFN for checking
-		$theme = sprintf("%stheme/%s/theme.php", constant('PATH'), SQL_ESCAPE($_GET['theme']));
+					// Write to temp file
+					fputs($fp_tmp, $line);
+				}
 
-		// Installation mode active
-		if ((!empty($_GET['theme'])) && (FILE_READABLE($theme))) {
-			// Set cookie from URL data
-			set_session('mxchange_theme', SQL_ESCAPE($_GET['theme']));
-		} elseif (FILE_READABLE(sprintf("%stheme/%s/theme.php", constant('PATH'), SQL_ESCAPE($_POST['theme'])))) {
-			// Set cookie from posted data
-			set_session('mxchange_theme', SQL_ESCAPE($_POST['theme']));
-		}
+				// Close temp file
+				fclose($fp_tmp);
 
-		// Set return value
-		$ret = get_session('mxchange_theme');
-	} else {
-		// Invalid design, reset cookie
-		set_session('mxchange_theme', $ret);
+				// Finished writing tmp file
+				$done = true;
+			}
+
+			// Close source file
+			fclose($fp);
+
+			if (($done) && ($found)) {
+				// Copy back tmp file and delete tmp :-)
+				@copy($tmp, $FQFN);
+				@unlink($tmp);
+				define('_FATAL', false);
+			} elseif (!$found) {
+				OUTPUT_HTML("<strong>CHANGE:</strong> 404!");
+				define('_FATAL', true);
+			} else {
+				OUTPUT_HTML("<strong>TMP:</strong> UNDONE!");
+				define('_FATAL', true);
+			}
+		}
+	} else {
+		// File not found, not readable or writeable
+		OUTPUT_HTML("<strong>404:</strong> ".$FQFN."<br />");
+	}
+}
+// Send notification to admin
+function SEND_ADMIN_NOTIFICATION($subject, $templateName, $content=array(), $uid="0") {
+	if (GET_EXT_VERSION("admins") >= "0.4.1") {
+		// Send new way
+		SEND_ADMIN_EMAILS_PRO($subject, $templateName, $content, $uid);
+	} else {
+		// Send outdated way
+		$msg = LOAD_EMAIL_TEMPLATE($templateName, $content, $uid);
+		SEND_ADMIN_EMAILS($subject, $msg);
 	}
+}
 
-	// Add (maybe) found theme.php file to inclusion list
-	$theme = sprintf("%stheme/%s/theme.php", constant('PATH'), SQL_ESCAPE($ret));
+// Merges an array together but only if both are arrays
+function merge_array ($array1, $array2) {
+	// Are both an array?
+	if ((is_array($array1)) && (is_array($array2))) {
+		// Merge all together
+		return array_merge($array1, $array2);
+	} elseif (is_array($array1)) {
+		// Return left array
+		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("array2 is not an array. array != %s", gettype($array2)));
+		return $array1;
+	} elseif (is_array($array2)) {
+		// Return right array
+		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("array1 is not an array. array != %s", gettype($array1)));
+		return $array2;
+	}
 
-	// Try to load the requested include file
-	if (FILE_READABLE($theme)) $INC_POOL[] = $theme;
+	// Both are not arrays
+	debug_report_bug(__FUNCTION__.": No arrays provided!");
+}
 
-	// Return theme value
-	return $ret;
+// Debug message logger
+function DEBUG_LOG ($funcFile, $line, $message, $force=true) {
+	// Is debug mode enabled?
+	if ((isBooleanConstantAndTrue('DEBUG_MODE')) || ($force === true)) {
+		// Log this message away
+		$fp = fopen(constant('PATH')."inc/cache/debug.log", 'a') or mxchange_die("Cannot write logfile debug.log!");
+		fwrite($fp, date("d.m.Y|H:i:s", time())."|".basename($funcFile)."|".$line."|".strip_tags($message)."\n");
+		fclose($fp);
+	} // END - if
 }
 
-// Get id from theme
-function THEME_GET_ID ($name) {
-	global $cacheArray;
+// Reads a directory with PHP files in and gets only files back
+function GET_DIR_AS_ARRAY ($baseDir, $prefix) {
+	$INCs = array();
 
-	// Is the extension "theme" installed?
-	if (!EXT_IS_ACTIVE("theme")) {
-		// Then abort here
-		return 0;
-	} // END - if
+	// Open directory
+	$dirPointer = opendir($baseDir) or mxchange_die("Cannot read ".basename($baseDir)." path!");
 
-	// Default id
-	$id = 0;
+	// Read all entries
+	while ($baseFile = readdir($dirPointer)) {
+		// Load file only if extension is active
+		// Make full path
+		$FQFN = $baseDir.$baseFile;
 
-	// Is the cache entry there?
-	if (isset($cacheArray['themes']['id'][$name])) {
-		// Get the version from cache
-		$id = $cacheArray['themes']['id'][$name];
+		// Is this a valid reset file?
+		//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):baseDir={$baseDir},prefix={$prefix},baseFile={$baseFile}<br />\n";
+		if ((FILE_READABLE($FQFN)) && (substr($baseFile, 0, strlen($prefix)) == $prefix) && (substr($baseFile, -4, 4) == ".php")) {
+			// Remove both for extension name
+			$extName = substr($baseFile, strlen($prefix), -4);
 
-		// Count up
-		incrementConfigEntry('cache_hits');
-	} elseif (GET_EXT_VERSION("cache") != "0.1.8") {
-		// Check if current theme is already imported or not
-		$result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_themes` WHERE theme_path='%s' LIMIT 1",
-			array($name), __FILE__, __LINE__);
+			// Try to find it
+			$extId = GET_EXT_ID($extName);
 
-		// Entry found?
-		if (SQL_NUMROWS($result) == 1) {
-			// Fetch data
-			list($id) = SQL_FETCHROW($result);
+			// Is the extension valid and active?
+			if (($extId > 0) && (EXT_IS_ACTIVE($extName))) {
+				// Then add this file
+				$INCs[] = $FQFN;
+			} elseif ($extId == 0) {
+				// Add non-extension files as well
+				$INCs[] = $FQFN;
+			}
 		} // END - if
+	} // END - while
 
-		// Free result
-		SQL_FREERESULT($result);
-	}
+	// Close directory
+	closedir($dirPointer);
 
-	// Return id
-	return $id;
-}
+	// Sort array
+	asort($INCs);
 
-// Read a given file
-function READ_FILE ($FQFN, $sqlPrepare = false) {
-	// Load the file
-	if (function_exists('file_get_contents')) {
-		// Use new function
-		$content = file_get_contents($FQFN);
-	} else {
-		// Fall-back to implode-file chain
-		$content = implode("", file($FQFN));
-	}
+	// Return array with include files
+	return $INCs;
+}
 
-	// Prepare SQL queries?
-	if ($sqlPrepare === true) {
-		// Remove some unwanted chars
-		$content = str_replace("\r", "", $content);
-		$content = str_replace("\n\n", "\n", $content);
+// Load more reset scripts
+function RESET_ADD_INCLUDES () {
+	// Is the reset set or old sql_patches?
+	if ((!defined('__DAILY_RESET')) || (EXT_VERSION_IS_OLDER("sql_patches", "0.4.5"))) {
+		// Then abort here
+		return array();
 	} // END - if
 
-	// Return the content
-	return $content;
-}
+	// Get more daily reset scripts
+	$INC_POOL = GET_DIR_AS_ARRAY(constant('PATH')."inc/reset/", "reset_");
 
-// Writes content to a file
-function WRITE_FILE ($FQFN, $content) {
-	// Is the function there?
-	if (function_exists('file_put_contents')) {
-		// Write it directly
-		file_put_contents($FQFN, $content);
-	} else {
-		// Write it with fopen
-		$fp = fopen($FQFN, 'w') or mxchange_die("Cannot write file ".basename($FQFN)."!");
-		fwrite($fp, $content);
-		fclose($fp);
+	// Update database
+	if (!defined('DEBUG_RESET')) UPDATE_CONFIG("last_update", time());
 
-		// Set CHMOD rights
-		chmod($FQFN, 0644);
-	}
-}
+	// Create current week mark
+	$currWeek = date("W", time());
 
-// Generates an error code from given account status
-function GEN_ERROR_CODE_FROM_ACCOUNT_STATUS ($status) {
-	// Default error code if unknown account status
-	$ERROR = constant('CODE_UNKNOWN_STATUS');
+	// Has it changed?
+	if (getConfig('last_week') != $currWeek) {
+		// Include weekly reset scripts
+		$INC_POOL = merge_array($INC_POOL, GET_DIR_AS_ARRAY(constant('PATH')."inc/weekly/", "weekly_"));
 
-	// Generate constant name
-	$constantName = sprintf("CODE_ID_%s", $status);
+		// Update config
+		if (!defined('DEBUG_WEEKLY')) UPDATE_CONFIG("last_week", $currWeek);
+	} // END - if
 
-	// Is the constant there?
-	if (defined($constantName)) {
-		// Then get it!
-		$ERROR = constant($constantName);
-	} else {
-		// Unknown status
-		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Unknown error status %s detected.", $status));
-	}
+	// Create current month mark
+	$currMonth = date("m", time());
 
-	// Return error code
-	return $ERROR;
-}
+	// Has it changed?
+	if (getConfig('last_month') != $currMonth) {
+		// Include monthly reset scripts
+		$INC_POOL = merge_array($INC_POOL, GET_DIR_AS_ARRAY(constant('PATH')."inc/monthly/", "monthly_"));
 
-// Clears the output buffer. This function does *NOT* backup sent content.
-function clearOutputBuffer () {
-	// Trigger an error on failure
-	if (!ob_end_clean()) {
-		// Failed!
-		debug_report_bug(__FUNCTION__.": Failed to clean output buffer.");
+		// Update config
+		if (!defined('DEBUG_MONTHLY')) UPDATE_CONFIG("last_month", $currMonth);
 	} // END - if
-}
-
-// "Getter" for revision/version data
-function getActualVersion ($type = 0) {
-	// By default nothing is new... ;-)
-	$new = false;
 
-	// FQFN of revision file
-	$FQFN = sprintf("%sinc/cache/.revision", constant('PATH'));
+	// Return array
+	return $INC_POOL;
+}
 
-	// Check for revision file
-	if (!FILE_READABLE($FQFN)) {
-		// Not found, so we need to create it
-		$new = true;
-	} else {
-		// Revision file found
-		$ins_vers = explode("\n", READ_FILE($FQFN));
+// Handle extra values
+function HANDLE_EXTRA_VALUES ($filterFunction, $value, $extraValue) {
+	// Default is the value itself
+	$ret = $value;
 
-		// Is the content valid?
-		if ((!is_array($ins_vers)) || (count($ins_vers) <= 0) || (!isset($ins_vers[$type])) || ($ins_vers[0]) == "new") {
-			// File needs update!
-			$new = true;
-		} else {
-			// Revision-File has valid Data and isn't 'new' so return the Rev-Number
-			return trim($ins_vers[$type]);
-		}
-	}
+	// Do we have a special filter function?
+	if (!empty($filterFunction)) {
+		// Does the filter function exist?
+		if (function_exists($filterFunction)) {
+			// Do we have extra parameters here?
+			if (!empty($extraValue)) {
+				// Put both parameters in one new array by default
+				$args = array($value, $extraValue);
 
-	// Has it been updated?
-	if ($new === true)  {
-		// No Revision-File or has no valid Data so read the Revision from the Server.
-		$version = GET_URL("check-updates3.php");
+				// If we have an array simply use it and pre-extend it with our value
+				if (is_array($extraValue)) {
+					// Make the new args array
+					$args = merge_array(array($value), $extraValue);
+				} // END - if
 
-		// Prepare content
-		$akt_vers[] = trim($version[10]);
-		$akt_vers[] = trim($version[9]);
-		$akt_vers[] = trim($version[8]);
+				// Call the multi-parameter call-back
+				$ret = call_user_func_array($filterFunction, $args);
+			} else {
+				// One parameter call
+				$ret = call_user_func($filterFunction, $value);
+			}
+		} // END - if
+	} // END - if
 
-		// Write file
-		WRITE_FILE($FQFN, implode("\n", $akt_vers));
+	// Return the value
+	return $ret;
+}
 
-		// Return requested content
-		return trim($akt_vers[$type]);
-	}
+// Check if given FQFN is a readable file
+function FILE_READABLE($fqfn) {
+	// Check all...
+	return ((file_exists($fqfn)) && (is_file($fqfn)) && (is_readable($fqfn)));
 }
 
-// Loads an include file and logs any missing files for debug purposes
-function LOAD_INC ($INC) {
-	// Get constant path
-	$PATH = constant('PATH');
+// Converts timestamp selections into a timestamp
+function CONVERT_SELECTIONS_TO_TIMESTAMP(&$POST, &$DATA, &$id, &$skip) {
+	// Init test variable
+	$test2 = "";
 
-	// Use the include file name directly
-	// @TODO Try to find all locations where an FQFN is given to these two
-	// @TODO functions and avoid it.
-	$FQFN = $INC;
+	// Get last three chars
+	$test = substr($id, -3);
 
-	// Check if PATH is in $INC
-	if (substr($INC, 0, $PATH) != $PATH) {
-		// Add it. This is why we need a trailing slash in config.php
-		$FQFN = $PATH . $INC;
+	// Improved way of checking! :-)
+	if (in_array($test, array("_ye", "_mo", "_we", "_da", "_ho", "_mi", "_se"))) {
+		// Found a multi-selection for timings?
+		$test = substr($id, 0, -3);
+		if ((isset($POST[$test."_ye"])) && (isset($POST[$test."_mo"])) && (isset($POST[$test."_we"])) && (isset($POST[$test."_da"])) && (isset($POST[$test."_ho"])) && (isset($POST[$test."_mi"])) && (isset($POST[$test."_se"])) && ($test != $test2)) {
+			// Generate timestamp
+			$POST[$test] = CREATE_TIMESTAMP_FROM_SELECTIONS($test, $POST);
+			$DATA[] = sprintf("%s='%s'", $test, $POST[$test]);
+
+			// Remove data from array
+			foreach (array("ye", "mo", "we", "da", "ho", "mi", "se") as $rem) {
+				unset($POST[$test."_".$rem]);
+			} // END - foreach
+
+			// Skip adding
+			unset($id); $skip = true; $test2 = $test;
+		} // END - if
+	} else {
+		// Process this entry
+		$skip = false; $test2 = "";
+	}
+}
+
+// Reverts the german decimal comma into Computer decimal dot
+function REVERT_COMMA ($str) {
+	// Default float is not a float... ;-)
+	$float = false;
+
+	// Which language is selected?
+	switch (GET_LANGUAGE()) {
+		case "de": // German language
+			// Remove german thousand dots first
+			$str = str_replace(".", "", $str);
+
+			// Replace german commata with decimal dot and cast it
+			$float = (float)str_replace(",", ".", $str);
+			break;
+
+		default: // US and so on
+			// Remove thousand dots first and cast
+			$float = (float)str_replace(",", "", $str);
+			break;
+	}
+
+	// Return float
+	return $float;
+}
+
+// Handle menu-depending failed logins and return the rendered content
+function HANDLE_LOGIN_FAILTURES ($accessLevel) {
+	// Default output is empty ;-)
+	$OUT = "";
+
+	// Is the session data set?
+	if ((isSessionVariableSet('mxchange_'.$accessLevel.'_failures')) && (isSessionVariableSet('mxchange_'.$accessLevel.'_last_fail'))) {
+		// Ignore zero values
+		if (get_session('mxchange_'.$accessLevel.'_failures') > 0) {
+			// Non-guest has login failures found, get both data and prepare it for template
+			//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):accessLevel={$accessLevel}<br />\n";
+			$content = array(
+				'login_failures' => get_session('mxchange_'.$accessLevel.'_failures'),
+				'last_failure'   => MAKE_DATETIME(get_session('mxchange_'.$accessLevel.'_last_fail'), "2")
+			);
+
+			// Load template
+			$OUT = LOAD_TEMPLATE("login_failures", true, $content);
+		} // END - if
+
+		// Reset session data
+		set_session('mxchange_'.$accessLevel.'_failures', "");
+		set_session('mxchange_'.$accessLevel.'_last_fail', "");
 	} // END - if
 
-	// Is the include file there?
-	if (!FILE_READABLE($FQFN)) {
-		// Not there so log it
-		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Include file %s not found.", basename($INC)));
-		return false;
+	// Return rendered content
+	return $OUT;
+}
+
+// Rebuild cache
+function REBUILD_CACHE ($cache, $inc="") {
+	// Shall I remove the cache file?
+	if ((EXT_IS_ACTIVE("cache")) && (is_object($GLOBALS['cache_instance']))) {
+		// Rebuild cache
+		if ($GLOBALS['cache_instance']->loadCacheFile($cache)) {
+			// Destroy it
+			$GLOBALS['cache_instance']->destroyCacheFile();
+		} // END - if
+
+		// Include file given?
+		if (!empty($inc)) {
+			// Construct FQFN
+			$INC = sprintf("inc/loader/load_cache-%s.php", $inc);
+
+			// Is the include there?
+			if (INCLUDE_READABLE($INC)) {
+				// And rebuild it from scratch
+				//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): inc={$inc} - LOADED!<br />\n";
+				LOAD_INC($INC);
+			} else {
+				// Include not found!
+				DEBUG_LOG(__FUNCTION__, __LINE__, "Include {$inc} not found. cache={$cache}");
+			}
+		} // END - if
 	} // END - if
+}
 
-	// Try to load it
-	require($FQFN);
+// Purge admin menu cache
+function CACHE_PURGE_ADMIN_MENU ($id=0, $action="", $what="", $str="") {
+	// Is the cache extension enabled or no cache instance or admin menu cache disabled?
+	if (!EXT_IS_ACTIVE("cache")) {
+		// Cache extension not active
+		return false;
+	} elseif (!is_object($GLOBALS['cache_instance'])) {
+		// No cache instance!
+		DEBUG_LOG(__FUNCTION__, __LINE__, " No cache instance found.");
+		return false;
+	} elseif ((!isConfigEntrySet('cache_admin_menu')) || (getConfig('cache_admin_menu') != "Y")) {
+		// Caching disabled (currently experiemental!)
+		return false;
+	}
+
+	// Experiemental feature!
+	debug_report_bug("<strong>Experimental feature:</strong> You have to delete the admin_*.cache files by yourself at this point.");
 }
 
-// Loads an include file once
-function LOAD_INC_ONCE ($INC) {
-	global $cacheArray;
+// Translates the "pool type" into human-readable
+function TRANSLATE_POOL_TYPE ($type) {
+	// Default type is unknown
+	$translated = sprintf(getMessage('POOL_TYPE_UNKNOWN'), $type);
 
-	// Is it not loaded?
-	if (!isset($cacheArray['load_once'][$INC])) {
-		// Then try to load it
-		LOAD_INC($INC);
+	// Generate constant
+	$constName = sprintf("POOL_TYPE_%s", $type);
 
-		// And mark it as loaded
-		$cacheArray['load_once'][$INC] = true;
+	// Does it exist?
+	if (defined($constName)) {
+		// Then use it
+		$translated = getMessage($constName);
 	} // END - if
+
+	// Return "translation"
+	return $translated;
 }
 
-// Back-ported from the new ship-simu engine. :-)
-function debug_get_printable_backtrace () {
-	// Init variable
-	$backtrace = "<ol>\n";
+// "Getter" for remote IP number
+function GET_REMOTE_ADDR () {
+	// Get remote ip from environment
+	$remoteAddr = getenv('REMOTE_ADDR');
 
-	// Get and prepare backtrace for output
-	$backtraceArray = debug_backtrace();
-	foreach ($backtraceArray as $key => $trace) {
-		if (!isset($trace['file'])) $trace['file'] = __FILE__;
-		if (!isset($trace['line'])) $trace['line'] = __LINE__;
-		if (!isset($trace['args'])) $trace['args'] = array();
-		$backtrace .= "<li class=\"debug_list\"><span class=\"backtrace_file\">".basename($trace['file'])."</span>:".$trace['line'].", <span class=\"backtrace_function\">".$trace['function']."(".count($trace['args']).")</span></li>\n";
-	} // END - foreach
+	// Is removeip installed?
+	if (EXT_IS_ACTIVE("removeip")) {
+		// Then anonymize it
+		$remoteAddr = GET_ANONYMOUS_REMOTE_ADDR($remoteAddr);
+	} // END - if
 
-	// Close it
-	$backtrace .= "</ol>\n";
+	// Return it
+	return $remoteAddr;
+}
 
-	// Return the backtrace
-	return $backtrace;
+// "Getter" for remote hostname
+function GET_REMOTE_HOST () {
+	// Get remote ip from environment
+	$remoteHost = getenv('REMOTE_HOST');
+
+	// Is removeip installed?
+	if (EXT_IS_ACTIVE("removeip")) {
+		// Then anonymize it
+		$remoteHost = GET_ANONYMOUS_REMOTE_HOST($remoteHost);
+	} // END - if
+
+	// Return it
+	return $remoteHost;
 }
 
-// Output a debug backtrace to the user
-function debug_report_bug ($message = "") {
-	// Init message
-	$debug = "";
-	// Is the optional message set?
-	if (!empty($message)) {
-		// Use and log it
-		$debug = sprintf("Note: %s<br />\n",
-			$message
-		);
+// "Getter" for user agent
+function GET_USER_AGENT () {
+	// Get remote ip from environment
+	$userAgent = getenv('HTTP_USER_AGENT');
 
-		// @TODO Add a little more infos here
-		DEBUG_LOG(__FUNCTION__, __LINE__, $message);
+	// Is removeip installed?
+	if (EXT_IS_ACTIVE("removeip")) {
+		// Then anonymize it
+		$userAgent = GET_ANONYMOUS_USER_AGENT($userAgent);
 	} // END - if
 
-	// Add output
-	$debug .= ("Please report this error at <a href=\"http://bugs.mxchange.org\" rel=\"external\" target=\"_blank\">bugs.mxchange.org</a>:<pre>");
-	$debug .= (debug_get_printable_backtrace());
-	$debug .= ("</pre>Thank you for your help finding bugs.");
+	// Return it
+	return $userAgent;
+}
 
-	// And abort here
-	die($debug);
+// "Getter" for referer
+function GET_REFERER () {
+	// Get remote ip from environment
+	$referer = getenv('HTTP_REFERER');
+
+	// Is removeip installed?
+	if (EXT_IS_ACTIVE("removeip")) {
+		// Then anonymize it
+		$referer = GET_ANONYMOUS_REFERER($referer);
+	} // END - if
+
+	// Return it
+	return $referer;
 }
 
-// Generates a ***weak*** seed (taken from de.php.net/mt_srand)
-function make_seed () {
-	list($usec, $sec) = explode(" ", microtime());
-	return ((float)$sec + (float)$usec);
+// Adds a bonus mail to the queue
+// This is a high-level function!
+function ADD_NEW_BONUS_MAIL ($data, $mode="", $output=true) {
+	// Use mode from data if not set and availble ;-)
+	if ((empty($mode)) && (isset($data['mode']))) $mode = $data['mode'];
+
+	// Generate receiver list
+	$RECEIVER = GENERATE_RECEIVER_LIST($data['cat'], $data['receiver'], $mode);
+
+	// Receivers added?
+	if (!empty($RECEIVER)) {
+		// Add bonus mail to queue
+		ADD_BONUS_MAIL_TO_QUEUE(
+			$data['subject'],
+			$data['text'],
+			$RECEIVER,
+			$data['points'],
+			$data['seconds'],
+			$data['url'],
+			$data['cat'],
+			$mode,
+			$data['receiver']
+		);
+
+		// Mail inserted into bonus pool
+		if ($output) LOAD_TEMPLATE("admin_settings_saved", false, getMessage('ADMIN_BONUS_SEND'));
+	} elseif ($output) {
+		// More entered than can be reached!
+		LOAD_TEMPLATE("admin_settings_saved", false, getMessage('ADMIN_MORE_SELECTED'));
+	} else {
+		// Debug log
+		DEBUG_LOG(__FUNCTION__, __LINE__, " cat={$data['cat']},receiver={$data['receiver']},data=".base64_encode(serialize($data))." More selected, than available!");
+	}
 }
 
-// Converts a message code to a human-readable message
-function convertCodeToMessage ($code) {
-	$msg = "";
-	switch ($code) {
-		case constant('CODE_LOGOUT_DONE')      : $msg = getMessage('LOGOUT_DONE'); break;
-		case constant('CODE_LOGOUT_FAILED')    : $msg = "<span class=\"guest_failed\">{--LOGOUT_FAILED--}</span>"; break;
-		case constant('CODE_DATA_INVALID')     : $msg = getMessage('MAIL_DATA_INVALID'); break;
-		case constant('CODE_POSSIBLE_INVALID') : $msg = getMessage('MAIL_POSSIBLE_INVALID'); break;
-		case constant('CODE_ACCOUNT_LOCKED')   : $msg = getMessage('MEMBER_ACCOUNT_LOCKED_UNC'); break;
-		case constant('CODE_USER_404')         : $msg = getMessage('USER_NOT_FOUND'); break;
-		case constant('CODE_STATS_404')        : $msg = getMessage('MAIL_STATS_404'); break;
-		case constant('CODE_ALREADY_CONFIRMED'): $msg = getMessage('MAIL_ALREADY_CONFIRMED'); break;
+// Determines referal id and sets it
+function DETERMINE_REFID () {
+	global $CLICK, $_SERVER;
 
-		case constant('CODE_ERROR_MAILID'):
-			if (EXT_IS_ACTIVE($ext, true)) {
-				$msg = getMessage('ERROR_CONFIRMING_MAIL');
-			} else {
-				$msg = sprintf(getMessage('EXTENSION_PROBLEM_NOT_INSTALLED'), "mailid");
-			}
-			break;
+	// Check if refid is set
+	if ((!empty($_GET['user'])) && ($CLICK == 1) && (basename($_SERVER['PHP_SELF']) == "click.php")) {
+		// The variable user comes from the click-counter script click.php and we only accept this here
+		$GLOBALS['refid'] = bigintval($_GET['user']);
+	} elseif (!empty($_POST['refid'])) {
+		// Get referal id from variable refid (so I hope this makes my script more compatible to other scripts)
+		$GLOBALS['refid'] = SQL_ESCAPE(strip_tags($_POST['refid']));
+	} elseif (!empty($_GET['refid'])) {
+		// Get referal id from variable refid (so I hope this makes my script more compatible to other scripts)
+		$GLOBALS['refid'] = SQL_ESCAPE(strip_tags($_GET['refid']));
+	} elseif (!empty($_GET['ref'])) {
+		// Set refid=ref (the referal link uses such variable)
+		$GLOBALS['refid'] = SQL_ESCAPE(strip_tags($_GET['ref']));
+	} elseif ((isSessionVariableSet('refid')) && (get_session('refid') != 0)) {
+		// Set session refid als global
+		$GLOBALS['refid'] = bigintval(get_session('refid'));
+	} elseif ((GET_EXT_VERSION("sql_patches") != "") && (getConfig('def_refid') > 0)) {
+		// Set default refid as refid in URL
+		$GLOBALS['refid'] = bigintval(getConfig('def_refid'));
+	} elseif ((GET_EXT_VERSION("user") >= "0.3.4") && (getConfig('select_user_zero_refid')) == "Y") {
+		// Select a random user which has confirmed enougth mails
+		$GLOBALS['refid'] = SELECT_RANDOM_REFID();
+	} else {
+		// No default ID when sql_patches is not installed or none set
+		$GLOBALS['refid'] = 0;
+	}
 
-		case constant('CODE_EXTENSION_PROBLEM'):
-			if (isset($_GET['ext'])) {
-				$msg = sprintf(getMessage('EXTENSION_PROBLEM_EXT_INACTIVE'), SQL_ESCAPE($_GET['ext']));
-			} else {
-				$msg = getMessage('EXTENSION_PROBLEM_UNSET_EXT');
-			}
-			break;
+	// Set cookie when default refid > 0
+	if (!isSessionVariableSet('refid') || (!empty($GLOBALS['refid'])) || ((get_session('refid') == "0") && (getConfig('def_refid') > 0))) {
+		// Set cookie
+		set_session('refid', $GLOBALS['refid']);
+	} // END - if
 
-		case constant('CODE_COOKIES_DISABLED') : $msg = getMessage('LOGIN_NO_COOKIES'); break;
-		case constant('CODE_BEG_SAME_AS_OWN')  : $msg = getMessage('BEG_SAME_UID_AS_OWN'); break;
-		case constant('CODE_LOGIN_FAILED')     : $msg = getMessage('LOGIN_FAILED_GENERAL'); break;
-		default                                : $msg = UNKNOWN_MAILID_CODE_1.$code.UNKNOWN_MAILID_CODE_2; break;
-	} // END - switch
+	// Return determined refid
+	return $GLOBALS['refid'];
+}
 
-	// Return the message
-	return $msg;
+// Check wether we are installing
+function isInstalling () {
+	return (isset($GLOBALS['mxchange_installing']));
 }
 
 //////////////////////////////////////////////////