$val) { if(is_array($val)) { $res[] = "[$key]"; foreach($val as $skey => $sval) $res[] = "$skey = ".(is_numeric($sval) ? $sval : '"'.$sval.'"'); } else $res[] = "$key = ".(is_numeric($val) ? $val : '"'.$val.'"'); } if(safefilerewrite($file, implode("\r\n", $res))) { return true; } else { return false; } } function safefilerewrite($fileName, $dataToSave) { if ($fp = fopen($fileName, 'w')) { $startTime = microtime(TRUE); do { $canWrite = flock($fp, LOCK_EX); // If lock not obtained sleep for 0 - 100 milliseconds, to avoid collision and CPU load if(!$canWrite) usleep(round(rand(0, 100)*1000)); } while ((!$canWrite)and((microtime(TRUE)-$startTime) < 5)); //file was locked so now we can store information if ($canWrite) { fwrite($fp, $dataToSave); flock($fp, LOCK_UN); } fclose($fp); return true; } else { return false; } } /** * * Add CSRF Token to form * */ function CSRFToken() { ?> ' , PHP_EOL; foreach ( $options as $opt => $label) { $select = ''; $key = isAssoc($options) ? $opt : $label; if( $key == $selected ) { $select = ' selected="selected"'; } echo '