' ), array ( '<', '>' ), $str ); } function random($name_laenge) { $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789"; $name_neu = ""; @mt_srand ( ( double ) microtime () * 1000000 ); for($i = 0; $i < $name_laenge; $i ++) { $r = mt_rand ( 0, strlen ( $zeichen ) - 1 ); $name_neu .= $zeichen {$r}; } return $name_neu; } function startsWith($haystack, $needle) { $length = strlen ( $needle ); return (substr ( $haystack, 0, $length ) === $needle); } function endsWith($haystack, $needle) { $length = strlen ( $needle ); return $length === 0 || (substr ( $haystack, - $length ) === $needle); } function onlyAlpha($str, $zus = '') { return preg_replace ( "/[^a-zA-Z0-9 \-\{$zus}_]+/", "", $str ); } function shortener($str, $len = 50, $fill = '...') { if (strlen ( $str ) > $len) { $str = substr ( $str, 0, $len - strlen ( $fill ) ) . $fill; } return $str; } function isEmail($str) { $match = preg_match ( "/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str ); if ($match) { return $str; } return false; } function markUp($text) { $r = ''; $lv = 0; foreach ( explode ( "\n", $text ) as $t ) { $nlv = 0; if (startsWith ( '**** ', $t )) { $t = substr ( $t, 5 ); $nlv = 4; } if (startsWith ( '*** ', $t )) { $t = substr ( $t, 4 ); $nlv = 3; } if (startsWith ( '** ', $t )) { $t = substr ( $t, 3 ); $nlv = 2; } if (startsWith ( '* ', $t )) { $t = substr ( $t, 2 ); $nlv = 1; } if ($lv != $nlv) { while ( $lv < $nlv ) { $text .= '