+// Determines referal id and sets it
+function DETERMINE_REFID () {
+ global $CLICK, $_SERVER;
+
+ // Check if refid is set
+ if ((!empty($_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'] = 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
+ $GLOBALS['refid'] = 0;
+ }
+
+ // Set cookie when default refid > 0
+ if (!isSessionVariableSet('refid') || (!empty($GLOBALS['refid'])) || ((get_session('refid') == "0") && (getConfig('def_refid') > 0))) {
+ // Set cookie
+ set_session('refid', $GLOBALS['refid']);
+ } // END - if
+
+ // Return determined refid
+ return $GLOBALS['refid'];
+}
+
+// Check wether we are installing
+function isInstalling () {
+ return (isset($GLOBALS['mxchange_installing']));
+}
+
+// Check wether this script is installed
+function isInstalled () {
+ return isBooleanConstantAndTrue('mxchange_installed');
+}
+
+// Check wether an admin is registered
+function isAdminRegistered () {
+ return isBooleanConstantAndTrue('admin_registered');
+}
+
+// Enables the reset mode. Only call this function if you really want the
+// reset to be run!
+function enableResetMode () {
+ // Enable the reset mode
+ $GLOBALS['reset_enabled'] = true;
+
+ // Run filters
+ runFilterChain('reset_enabled');
+}
+
+// Checks wether the reset mode is active
+function isResetModeEnabled () {
+ // Now simply check it
+ return ((isset($GLOBALS['reset_enabled'])) && ($GLOBALS['reset_enabled'] === true));
+}
+
+// Checks wether the debug mode is enabled
+function isDebugModeEnabled () {
+ // Simply check it
+ return isBooleanConstantAndTrue('DEBUG_MODE');
+}
+
+// Checks wether the cache instance is valid
+function isCacheInstanceValid () {
+ return ((isset($GLOBALS['cache_instance'])) && (is_object($GLOBALS['cache_instance'])));
+}
+