+ return $GLOBALS[__FUNCTION__][$userid];
+}
+
+// Wrapper to check if url_blacklist is enabled
+function isUrlBlacklistEnabled () {
+ // Do we have cache?
+ if (!isset($GLOBALS[__FUNCTION__])) {
+ // Determine it
+ $GLOBALS[__FUNCTION__] = (getConfig('url_blacklist') == 'Y');
+ } // END - if
+
+ // Return cache
+ return $GLOBALS[__FUNCTION__];
+}
+
+// Checks wether direct payment is allowed in configuration
+function isDirectPaymentEnabled () {
+ // Do we have cache?
+ if (!isset($GLOBALS[__FUNCTION__])) {
+ // Determine it
+ $GLOBALS[__FUNCTION__] = (getConfig('allow_direct_pay') == 'Y');
+ } // END - if
+
+ // Return cache
+ return $GLOBALS[__FUNCTION__];
+}
+
+// Wrapper to check if current task is for extension (not update)
+function isExtensionTask ($content) {
+ // Do we have cache?
+ if (!isset($GLOBALS[__FUNCTION__][$content['task_type'] . '_' . $content['infos']])) {
+ // Determine it
+ $GLOBALS[__FUNCTION__][$content['task_type'] . '_' . $content['infos']] = (($content['task_type'] == 'EXTENSION') && (isExtensionNameValid($content['infos'])) && (!isExtensionInstalled($content['infos'])));
+ } // END - if
+
+ // Return cache
+ return $GLOBALS[__FUNCTION__][$content['task_type'] . '_' . $content['infos']];
+}
+
+// Wrapper to check if output mode is CSS
+function isCssOutputMode () {
+ // Determine it
+ return (getScriptOutputMode() == 1);
+}
+
+// Wrapper to check if output mode is HTML
+function isHtmlOutputMode () {
+ // Determine it
+ return (getScriptOutputMode() == 0);
+}
+
+// Wrapper to check if output mode is RAW
+function isRawOutputMode () {
+ // Determine it
+ return (getScriptOutputMode() == -1);
+}
+
+// Wrapper to generate a user email link
+function generateWrappedUserEmailLink ($email) {
+ // Just call the inner function
+ return generateEmailLink($email, 'user_data');
+}
+
+// Wrapper to check if user points are locked
+function ifUserPointsLocked ($userid) {
+ // Do we have cache?
+ if (!isset($GLOBALS[__FUNCTION__][$userid])) {
+ // Determine it
+ $GLOBALS[__FUNCTION__][$userid] = ((getFetchedUserData('userid', $userid, 'ref_payout') > 0) && (!isDirectPaymentEnabled()));
+ } // END - if
+
+ // Return cache
+ return $GLOBALS[__FUNCTION__][$userid];
+}
+
+// Appends a line to an existing file or creates it instantly with given content.
+// This function does always add a new-line character to every line.
+function appendLineToFile ($file, $line) {
+ $fp = fopen($file, 'a') or debug_report_bug(__FUNCTION__, __LINE__, 'Cannot write to file ' . basename($file) . '!');
+ fwrite($fp, $line . "\n");
+ fclose($fp);