X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fwrapper-functions.php;h=c9f97c7b212f8f057c1dc78425d2b18761572cb5;hp=54ffb3db3a964ee5b116b7c122be951864ac4272;hb=57227d33e870ec5cd271209c4a978a52b45c2dd6;hpb=53a6857b021b42835709b11e2287d11986d8b2c1

diff --git a/inc/wrapper-functions.php b/inc/wrapper-functions.php
index 54ffb3db3a..c9f97c7b21 100644
--- a/inc/wrapper-functions.php
+++ b/inc/wrapper-functions.php
@@ -1,7 +1,7 @@
 <?php
 /************************************************************************
- * MXChange v0.2.1                                    Start: 04/04/2009 *
- * ===============                              Last change: 04/04/2009 *
+ * Mailer v0.2.1-FINAL                                Start: 04/04/2009 *
+ * ===================                          Last change: 04/04/2009 *
  *                                                                      *
  * -------------------------------------------------------------------- *
  * File              : wrapper-functions.php                            *
@@ -17,7 +17,7 @@
  * Needs to be in all Files and every File needs "svn propset           *
  * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
  * -------------------------------------------------------------------- *
- * Copyright (c) 2003 - 2008 by Roland Haeder                           *
+ * Copyright (c) 2003 - 2009 by Roland Haeder                           *
  * For more information visit: http://www.mxchange.org                  *
  *                                                                      *
  * This program is free software; you can redistribute it and/or modify *
@@ -38,8 +38,7 @@
 
 // Some security stuff...
 if (!defined('__SECURITY')) {
-	$INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
-	require($INC);
+	die();
 } // END - if
 
 // Read a given file
@@ -71,11 +70,11 @@ function readFromFile ($FQFN, $sqlPrepare = false) {
 }
 
 // Writes content to a file
-function writeToFile ($FQFN, $content) {
+function writeToFile ($FQFN, $content, $aquireLock = false) {
 	// Is the file writeable?
 	if ((isFileReadable($FQFN)) && (!is_writeable($FQFN)) && (!changeMode($FQFN, 0644))) {
 		// Not writeable!
-		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("File %s not writeable.", basename($FQFN)));
+		logDebugMessage(__FUNCTION__, __LINE__, sprintf("File %s not writeable.", basename($FQFN)));
 
 		// Failed! :(
 		return false;
@@ -86,20 +85,33 @@ function writeToFile ($FQFN, $content) {
 
 	// Is the function there?
 	if (function_exists('file_put_contents')) {
-		// Write it directly
-		$return = file_put_contents($FQFN, $content);
+		// With lock?
+		if ($aquireLock === true) {
+			// Write it directly with lock
+			$return = file_put_contents($FQFN, $content, LOCK_EX);
+		} else {
+			// Write it directly
+			$return = file_put_contents($FQFN, $content);
+		}
 	} else {
 		// Write it with fopen
 		$fp = fopen($FQFN, 'w') or app_die(__FUNCTION__, __LINE__, "Cannot write file ".basename($FQFN).'!');
+
+		// Aquire lock
+		if ($aquireLock === true) flock($fp, LOCK_EX);
+
+		// Write content
 		fwrite($fp, $content);
-		fclose($fp);
 
-		// Set CHMOD rights
-		$return = changeMode($FQFN, 0644);
+		// Close stream
+		fclose($fp);
 	}
 
+	// Mark it as readable
+	$GLOBALS['file_readable'][$FQFN] = true;
+
 	// Return status
-	return $return;
+	return changeMode($FQFN, 0644);
 }
 
 // Clears the output buffer. This function does *NOT* backup sent content.
@@ -111,43 +123,6 @@ function clearOutputBuffer () {
 	} // END - if
 }
 
-// Loads an include file and logs any missing files for debug purposes
-function loadInclude ($INC) {
-	// Add the path. This is why we need a trailing slash in config.php
-	$FQFN = constant('PATH') . $INC;
-
-	// Is the include file there?
-	if (!isIncludeReadable($INC)) {
-		// Not there so log it
-		debug_report_bug(sprintf("Include file %s not found.", $INC));
-		return false;
-	} // END - if
-
-	// Try to load it
-	require($FQFN);
-}
-
-// Loads an include file once
-function loadIncludeOnce ($INC) {
-	// Is it not loaded?
-	if (!isset($GLOBALS['load_once'][$INC])) {
-		// Mark it as loaded
-		$GLOBALS['load_once'][$INC] = "loaded";
-
-		// Then try to load it
-		loadInclude($INC);
-	} // END - if
-}
-
-// Checks wether an include file (non-FQFN better) is readable
-function isIncludeReadable ($INC) {
-	// Construct FQFN
-	$FQFN = constant('PATH') . $INC;
-
-	// Is it readable?
-	return isFileReadable($FQFN);
-}
-
 // Encode strings
 // @TODO Implement $compress
 function encodeString ($str, $compress = true) {
@@ -162,16 +137,10 @@ function decodeString ($str, $decompress = true) {
 	return $str;
 }
 
-// Smartly adds slashes
-function smartAddSlashes ($unquoted) {
-	$unquoted = str_replace("\\", '', $unquoted);
-	return addslashes($unquoted);
-}
-
 // Decode entities in a nicer way
-function decodeEntities ($str) {
+function decodeEntities ($str, $quote = ENT_NOQUOTES) {
 	// Decode the entities to UTF-8 now
-	$decodedString = html_entity_decode($str, ENT_NOQUOTES, 'UTF-8');
+	$decodedString = html_entity_decode($str, $quote, 'UTF-8');
 
 	// Return decoded string
 	return $decodedString;
@@ -180,39 +149,46 @@ function decodeEntities ($str) {
 // 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 $array2;
+	if ((!is_array($array1)) && (!is_array($array2))) {
+		// Both are not arrays
+		debug_report_bug(__FUNCTION__ . ': No arrays provided!');
+	} elseif (!is_array($array1)) {
+		// Left one is not an array
+		debug_report_bug(sprintf("[%s:%s] array1 is not an array. array != %s", __FUNCTION__, __LINE__, gettype($array1)));
+	} elseif (!is_array($array2)) {
+		// Right one is not an array
+		debug_report_bug(sprintf("[%s:%s] array2 is not an array. array != %s", __FUNCTION__, __LINE__, gettype($array2)));
 	}
 
-	// Both are not arrays
-	debug_report_bug(__FUNCTION__.": No arrays provided!");
+	// Merge all together
+	return array_merge($array1, $array2);
 }
 
 // Check if given FQFN is a readable file
 function isFileReadable ($FQFN) {
-	// Check all...
-	return ((file_exists($FQFN)) && (is_file($FQFN)) && (is_readable($FQFN)));
+	// Do we have cache?
+	if (!isset($GLOBALS['file_readable'][$FQFN])) {
+		// Check all...
+		$GLOBALS['file_readable'][$FQFN] = ((file_exists($FQFN)) && (is_file($FQFN)) && (is_readable($FQFN)));
+	} // END - if
+
+	// Return result
+	return $GLOBALS['file_readable'][$FQFN];
 }
 
-// Checks wether the given FQFN is a directory and not .,.. or .svn
+// Checks wether the given FQFN is a directory and not ., .. or .svn
 function isDirectory ($FQFN) {
-	// Generate baseName
-	$baseName = basename($FQFN);
+	// Do we have cache?
+	if (!isset($GLOBALS['is_directory'][$FQFN])) {
+		// Generate baseName
+		$baseName = basename($FQFN);
 
-	// Check it
-	$isDirectory = ((is_dir($FQFN)) && ($baseName != '.') && ($baseName != '..') && ($baseName != '.svn'));
+		// Check it
+		$GLOBALS['is_directory'][$FQFN] = ((is_dir($FQFN)) && ($baseName != '.') && ($baseName != '..') && ($baseName != '.svn'));
+	} // END - if
 
 	// Return the result
-	return $isDirectory;
+	return $GLOBALS['is_directory'][$FQFN];
 }
 
 // "Getter" for remote IP number
@@ -221,9 +197,9 @@ function detectRemoteAddr () {
 	$remoteAddr = determineRealRemoteAddress();
 
 	// Is removeip installed?
-	if (EXT_IS_ACTIVE('removeip')) {
+	if (isExtensionActive('removeip')) {
 		// Then anonymize it
-		$remoteAddr = GET_ANONYMOUS_REMOTE_ADDR($remoteAddr);
+		$remoteAddr = getAnonymousRemoteAddress($remoteAddr);
 	} // END - if
 
 	// Return it
@@ -236,9 +212,9 @@ function detectRemoteHostname () {
 	$remoteHost = getenv('REMOTE_HOST');
 
 	// Is removeip installed?
-	if (EXT_IS_ACTIVE('removeip')) {
+	if (isExtensionActive('removeip')) {
 		// Then anonymize it
-		$remoteHost = GET_ANONYMOUS_REMOTE_HOST($remoteHost);
+		$remoteHost = getAnonymousRemoteHost($remoteHost);
 	} // END - if
 
 	// Return it
@@ -246,14 +222,14 @@ function detectRemoteHostname () {
 }
 
 // "Getter" for user agent
-function detectUserAgent () {
+function detectUserAgent ($alwaysReal = false) {
 	// Get remote ip from environment
 	$userAgent = getenv('HTTP_USER_AGENT');
 
 	// Is removeip installed?
-	if (EXT_IS_ACTIVE('removeip')) {
+	if ((isExtensionActive('removeip')) && ($alwaysReal === false)) {
 		// Then anonymize it
-		$userAgent = GET_ANONYMOUS_USER_AGENT($userAgent);
+		$userAgent = getAnonymousUserAgent($userAgent);
 	} // END - if
 
 	// Return it
@@ -266,51 +242,79 @@ function detectReferer () {
 	$referer = getenv('HTTP_REFERER');
 
 	// Is removeip installed?
-	if (EXT_IS_ACTIVE('removeip')) {
+	if (isExtensionActive('removeip')) {
 		// Then anonymize it
-		$referer = GET_ANONYMOUS_REFERER($referer);
+		$referer = getAnonymousReferer($referer);
 	} // END - if
 
 	// Return it
 	return $referer;
 }
 
+// "Getter" for request URI
+function detectRequestUri () {
+	// Return it
+	return (getenv('REQUEST_URI'));
+}
+
+// "Getter" for query string
+function detectQueryString () {
+	return str_replace('&', '&amp;', (getenv('QUERY_STRING')));
+}
+
 // Check wether we are installing
 function isInstalling () {
-	$installing = ((isset($GLOBALS['mxchange_installing'])) || (REQUEST_ISSET_GET('installing')));
-	//* DEBUG: */ var_dump($installing);
-	return $installing;
+	// Determine wether we are installing
+	if (!isset($GLOBALS['mxchange_installing'])) {
+		// Check URL (css.php/js.php need this)
+		$GLOBALS['mxchange_installing'] = isGetRequestParameterSet('installing');
+	} // END - if
+
+	// Return result
+	return $GLOBALS['mxchange_installing'];
 }
 
 // Check wether this script is installed
 function isInstalled () {
-	return (
-	(
-	// New config file found and loaded
-	getConfig('MXCHANGE_INSTALLED') == 'Y'
-	) || (
-	// Fall-back!
-	isIncludeReadable('inc/config.php')
-	) || (
-	(
-	// New config file found, but not yet read
-	isIncludeReadable('inc/cache/config-local.php')
-	) && (
-	(
-	// Only new config file is found
-	!isIncludeReadable('inc/config.php')
-	) || (
-	// Is installation mode
-	isInstalling()
-	)
-	)
-	)
-	);
+	// Do we have cache?
+	if (!isset($GLOBALS['is_installed'])) {
+		// Determine wether this script is installed
+		$GLOBALS['is_installed'] = (
+		(
+			// First is config
+			(
+				(
+					isConfigEntrySet('MXCHANGE_INSTALLED')
+				) && (
+					getConfig('MXCHANGE_INSTALLED') == 'Y'
+				)
+			)
+		) || (
+			// New config file found and loaded
+			isIncludeReadable(getConfig('CACHE_PATH') . 'config-local.php')
+		) || (
+			(
+				// New config file found, but not yet read
+				isIncludeReadable(getConfig('CACHE_PATH') . 'config-local.php')
+			) && (
+				(
+					// Only new config file is found
+					!isIncludeReadable('inc/config.php')
+				) || (
+					// Is installation mode
+					!isInstalling()
+				)
+			)
+		));
+	} // END - if
+
+	// Then use the cache
+	return $GLOBALS['is_installed'];
 }
 
 // Check wether an admin is registered
 function isAdminRegistered () {
-	return (getConfig('ADMIN_REGISTERED') == 'Y');
+	return ((isConfigEntrySet('ADMIN_REGISTERED')) && (getConfig('ADMIN_REGISTERED') == 'Y'));
 }
 
 // Checks wether the reset mode is active
@@ -322,7 +326,13 @@ function isResetModeEnabled () {
 // Checks wether the debug mode is enabled
 function isDebugModeEnabled () {
 	// Simply check it
-	return (getConfig('DEBUG_MODE') == 'Y');
+	return ((isConfigEntrySet('DEBUG_MODE')) && (getConfig('DEBUG_MODE') == 'Y'));
+}
+
+// Checks wether we shall debug regular expressions
+function isDebugRegExpressionEnabled () {
+	// Simply check it
+	return ((isConfigEntrySet('DEBUG_REGEX')) && (getConfig('DEBUG_REGEX') == 'Y'));
 }
 
 // Checks wether the cache instance is valid
@@ -346,14 +356,17 @@ function copyFileVerified ($source, $dest, $chmod = '') {
 	// Is the target directory there?
 	if (!isDirectory(dirname($dest))) {
 		// Then abort here
-		debug_report_bug('Cannot find directory ' . str_replace(constant('PATH'), '', dirname($dest)) . '.');
+		debug_report_bug('Cannot find directory ' . str_replace(getConfig('PATH'), '', dirname($dest)) . '.');
 	} // END - if
 
 	// Now try to copy it
 	if (!copy($source, $dest)) {
 		// Something went wrong
 		debug_report_bug('copy() has failed to copy the file.');
-	} // END - if
+	} else {
+		// Reset cache
+		$GLOBALS['file_readable'][$dest] = true;
+	}
 
 	// If there are chmod rights set, apply them
 	if (!empty($chmod)) {
@@ -371,14 +384,25 @@ function copyFileVerified ($source, $dest, $chmod = '') {
 // Wrapper function for header()
 // Send a header but checks before if we can do so
 function sendHeader ($header) {
+	// Send the header
+	$GLOBALS['header'][] = trim($header);
+}
+
+// Flushes all headers
+function flushHeaders () {
 	// Is the header already sent?
 	if (headers_sent()) {
 		// Then abort here
 		debug_report_bug('Headers already sent!');
 	} // END - if
 
-	// Send the header
-	header(trim($header));
+	// Flush all headers
+	foreach ($GLOBALS['header'] as $header) {
+		header($header);
+	} // END - foreach
+
+	// Mark them as flushed
+	$GLOBALS['header'] = array();
 }
 
 // Wrapper function for chmod()
@@ -398,6 +422,9 @@ function changeMode ($FQFN, $mode) {
 function removeFile ($FQFN) {
 	// Is the file there?
 	if (isFileReadable($FQFN)) {
+		// Reset cache first
+		$GLOBALS['file_readable'][$FQFN] = false;
+
 		// Yes, so remove it
 		return unlink($FQFN);
 	} // END - if
@@ -408,8 +435,15 @@ function removeFile ($FQFN) {
 }
 
 // Wrapper for $_POST['sel']
-function countPostSelection () {
-	return countSelection(REQUEST_POST('sel'));
+function countPostSelection ($element = 'sel') {
+	// Is it set?
+	if (isPostRequestParameterSet($element)) {
+		// Return counted elements
+		return countSelection(postRequestParameter($element));
+	} else {
+		// Return zero if not found
+		return 0;
+	}
 }
 
 // Checks wether the config-local.php is loaded
@@ -417,5 +451,352 @@ function isConfigLocalLoaded () {
 	return ((isset($GLOBALS['config_local_loaded'])) && ($GLOBALS['config_local_loaded'] === true));
 }
 
+// Checks wether a nickname or userid was entered and caches the result
+function isNicknameUsed ($userid) {
+	// Default is false
+	$isUsed = false;
+
+	// Is the cache there
+	if (isset($GLOBALS['is_nickname_used'][$userid])) {
+		// Then use it
+		$isUsed = $GLOBALS['is_nickname_used'][$userid];
+	} else {
+		// Determine it
+		$isUsed = (('' . round($userid) . '') != $userid);
+
+		// And write it to the cache
+		$GLOBALS['is_nickname_used'][$userid] = $isUsed;
+	}
+
+	// Return the result
+	return $isUsed;
+}
+
+// Getter for 'what' value
+function getWhat () {
+	// Default is null
+	$what = null;
+
+	// Is the value set?
+	if (isWhatSet(true)) {
+		// Then use it
+		$what = $GLOBALS['what'];
+	} // END - if
+
+	// Return it
+	return $what;
+}
+
+// Setter for 'what' value
+function setWhat ($newWhat) {
+	$GLOBALS['what'] = SQL_ESCAPE($newWhat);
+}
+
+// Setter for 'what' from configuration
+function setWhatFromConfig ($configEntry) {
+	// Get 'what' from config
+	$what = getConfig($configEntry);
+
+	// Set it
+	setWhat($what);
+}
+
+// Checks wether what is set and optionally aborts on miss
+function isWhatSet ($strict =  false) {
+	// Check for it
+	$isset = (isset($GLOBALS['what']));
+
+	// Should we abort here?
+	if (($strict === true) && ($isset === false)) {
+		// Output backtrace
+		debug_report_bug('what is empty.');
+	} // END - if
+
+	// Return it
+	return $isset;
+}
+
+// Getter for 'action' value
+function getAction () {
+	// Default is null
+	$action = null;
+
+	// Is the value set?
+	if (isActionSet(true)) {
+		// Then use it
+		$action = $GLOBALS['action'];
+	} // END - if
+
+	// Return it
+	return $action;
+}
+
+// Setter for 'action' value
+function setAction ($newAction) {
+	$GLOBALS['action'] = SQL_ESCAPE($newAction);
+}
+
+// Checks wether action is set and optionally aborts on miss
+function isActionSet ($strict =  false) {
+	// Check for it
+	$isset = (isset($GLOBALS['action']));
+
+	// Should we abort here?
+	if (($strict === true) && ($isset === false)) {
+		// Output backtrace
+		debug_report_bug('action is empty.');
+	} // END - if
+
+	// Return it
+	return $isset;
+}
+
+// Getter for 'module' value
+function getModule ($strict = true) {
+	// Default is null
+	$module = null;
+
+	// Is the value set?
+	if (isModuleSet($strict)) {
+		// Then use it
+		$module = $GLOBALS['module'];
+	} // END - if
+
+	// Return it
+	return $module;
+}
+
+// Setter for 'module' value
+function setModule ($newModule) {
+	// Secure it and make all modules lower-case
+	$GLOBALS['module'] = SQL_ESCAPE(strtolower($newModule));
+}
+
+// Checks wether module is set and optionally aborts on miss
+function isModuleSet ($strict =  false) {
+	// Check for it
+	$isset = (!empty($GLOBALS['module']));
+
+	// Should we abort here?
+	if (($strict === true) && ($isset === false)) {
+		// Output backtrace
+		debug_report_bug('module is empty.');
+	} // END - if
+
+	// Return it
+	return (($isset === true) && ($GLOBALS['module'] != 'unknown')) ;
+}
+
+// Getter for 'output_mode' value
+function getOutputMode () {
+	// Default is null
+	$output_mode = null;
+
+	// Is the value set?
+	if (isOutputModeSet(true)) {
+		// Then use it
+		$output_mode = $GLOBALS['output_mode'];
+	} // END - if
+
+	// Return it
+	return $output_mode;
+}
+
+// Setter for 'output_mode' value
+function setOutputMode ($newOutputMode) {
+	$GLOBALS['output_mode'] = (int) $newOutputMode;
+}
+
+// Checks wether output_mode is set and optionally aborts on miss
+function isOutputModeSet ($strict =  false) {
+	// Check for it
+	$isset = (isset($GLOBALS['output_mode']));
+
+	// Should we abort here?
+	if (($strict === true) && ($isset === false)) {
+		// Output backtrace
+		debug_report_bug('output_mode is empty.');
+	} // END - if
+
+	// Return it
+	return $isset;
+}
+
+// Enables block-mode
+function enableBlockMode ($enabled = true) {
+	$GLOBALS['block_mode'] = $enabled;
+}
+
+// Checks wether block-mode is enabled
+function isBlockModeEnabled () {
+	// Abort if not set
+	if (!isset($GLOBALS['block_mode'])) {
+		// Needs to be fixed
+		debug_report_bug(__FUNCTION__ . ': block_mode is not set.');
+	} // END - if
+
+	// Return it
+	return $GLOBALS['block_mode'];
+}
+
+// Wrapper function for addPointsThroughReferalSystem()
+function addPointsDirectly ($subject, $userid, $points) {
+	// Reset level here
+	unset($GLOBALS['ref_level']);
+
+	// Call more complicated method (due to more parameters)
+	return addPointsThroughReferalSystem($subject, $userid, $points, false, 0, false, 'direct');
+}
+
+// Wrapper function to redirect from member-only modules to index
+function redirectToIndexMemberOnlyModule () {
+	// Do the redirect here
+	redirectToUrl('modules.php?module=index&amp;code=' . getCode('MODULE_MEM_ONLY') . '&amp;mod=' . getModule());
+}
+
+// Wrapper function for checking if extension is installed and newer or same version
+function isExtensionInstalledAndNewer ($ext_name, $version) {
+	// Return it
+	//* DEBUG: */ print __FUNCTION__.':'.$ext_name.'=&gt;'.$version.'<br />';
+	return ((isExtensionInstalled($ext_name)) && (getExtensionVersion($ext_name) >= $version));
+}
+
+// Wrapper function for checking if extension is installed and older than given version
+function isExtensionInstalledAndOlder ($ext_name, $version) {
+	// Return it
+	//* DEBUG: */ print __FUNCTION__.':'.$ext_name.'&lt;'.$version.'<br />';
+	return ((isExtensionInstalled($ext_name)) && (isExtensionOlder($ext_name, $version)));
+}
+
+// Set username
+function setUsername ($userName) {
+	$GLOBALS['username'] = (string) $userName;
+}
+
+// Get username
+function getUsername () {
+	return $GLOBALS['username'];
+}
+
+// Wrapper function for installation phase
+function isInstallationPhase () {
+	// Do we have cache?
+	if (!isset($GLOBALS['installation_phase'])) {
+		// Determine it
+		$GLOBALS['installation_phase'] = ((!isInstalled()) || (isInstalling()));
+	} // END - if
+
+	// Return result
+	return $GLOBALS['installation_phase'];
+}
+
+// Checks wether the extension demo is actuve and the admin login is demo (password needs to be demo, too!)
+function isDemoModeActive () {
+	return ((isExtensionActive('demo')) && (getSession('admin_login') == 'demo'));
+}
+
+// Wrapper function to redirect to de-refered URL
+function redirectToDereferedUrl ($URL) {
+	// De-refer the URL
+	$URL = generateDerefererUrl($URL);
+
+	// Redirect to to
+	redirectToUrl($URL);
+}
+
+// Getter for PHP caching value
+function getPhpCaching () {
+	return $GLOBALS['php_caching'];
+}
+
+// Checks wether the admin hash is set
+function isAdminHashSet ($admin) {
+	return isset($GLOBALS['cache_array']['admin']['password'][$admin]);
+}
+
+// Setter for admin hash
+function setAdminHash ($admin, $hash) {
+	$GLOBALS['cache_array']['admin']['password'][$admin] = $hash;
+}
+
+// Init user data array
+function initUserData () {
+	// User id should not be zero
+	if (getCurrentUserId() < 1) debug_report_bug(__FUNCTION__.': User id is zero.');
+
+	// Init the user
+	$GLOBALS['user_data'][getCurrentUserId()] = array();
+}
+
+// Getter for user data
+function getUserData ($column) {
+	// User id should not be zero
+	if (getCurrentUserId() < 1) debug_report_bug(__FUNCTION__.': User id is zero.');
+
+	// Return the value
+	return $GLOBALS['user_data'][getCurrentUserId()][$column];
+}
+
+// Geter for whole user data array
+function getUserDataArray () {
+	// User id should not be zero
+	if (getCurrentUserId() < 1) debug_report_bug(__FUNCTION__.': User id is zero.');
+
+	// Get the whole array
+	return $GLOBALS['user_data'][getCurrentUserId()];
+}
+
+// Checks if the user data is valid, this may indicate that the user has logged
+// in, but you should use isMember() if you want to find that out.
+function isUserDataValid () {
+	// User id should not be zero so abort here
+	if (!isCurrentUserIdSet()) return false;
+
+	// Is the array there and filled?
+	return ((isset($GLOBALS['user_data'][getCurrentUserId()])) && (count($GLOBALS['user_data'][getCurrentUserId()]) > 1));
+}
+
+// Setter for current userid
+function setCurrentUserId ($userid) {
+	$GLOBALS['current_userid'] = bigintval($userid);
+}
+
+// Getter for current userid
+function getCurrentUserId () {
+	// Userid must be set before it can be used
+	if (!isCurrentUserIdSet()) {
+		// Not set
+		debug_report_bug('User id is not set.');
+	} // END - if
+
+	// Return the userid
+	return $GLOBALS['current_userid'];
+}
+
+// Checks if current userid is set
+function isCurrentUserIdSet () {
+	return isset($GLOBALS['current_userid']);
+}
+
+// Checks wether we are debugging template cache
+function isDebuggingTemplateCache () {
+	return (getConfig('DEBUG_TEMPLATE_CACHE') == 'Y');
+}
+
+// Wrapper for fetchUserData() and getUserData() calls
+function getFetchedUserData ($keyColumn, $userId, $valueColumn) {
+	// Default is 'guest'
+	$data = getMessage('USERNAME_GUEST');
+
+	// Can we fetch the user data?
+	if (($userId > 0) && (fetchUserData($userId, $keyColumn))) {
+		// Now get the data back
+		$data = getUserData($valueColumn);
+	} // END - if
+
+	// Return it
+	return $data;
+}
+
 // [EOF]
 ?>