. function pre_dump($var) { //this function is amazing whilst debugging. echo "

";
  var_dump($var);
  echo "

"; } function utf8encodeNestedArray($arr) { // json_encode fails with binary data. utf-8 encode that first, some ca's like to encode images in their OID's (verisign, 1.3.6.1.5.5.7.1.12)... $encoded_arr = array(); foreach ($arr as $key => $value) { if (is_array($value)) { $encoded_arr[utf8_encode($key)] = utf8encodeNestedArray($value); } else { $encoded_arr[utf8_encode($key)] = utf8_encode($value); } } return $encoded_arr; } //two helper functions to check if string starts or end with, from stack overflow. function startsWith($haystack, $needle) { // search backwards starting from haystack length characters from the end return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== FALSE; } function endsWith($haystack, $needle) { // search forward starting from end minus needle length characters if(!empty($haystack)) { return $needle === "" || strpos($haystack, $needle, strlen($haystack) - strlen($needle)) !== FALSE; } } function get_current_folder(){ //not current OS folder, but current web folder. //used for relative links and css/js files $url = $_SERVER['REQUEST_URI']; $parts = explode('/',$url); $folder = ''; for ($i = 0; $i < count($parts) - 1; $i++) { $folder .= $parts[$i] . "/"; } return $folder; } $current_folder = get_current_folder(); function gen_uuid() { //from stack overflow. return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x', // 32 bits for "time_low" mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), // 16 bits for "time_mid" mt_rand( 0, 0xffff ), // 16 bits for "time_hi_and_version", // four most significant bits holds version number 4 mt_rand( 0, 0x0fff ) | 0x4000, // 16 bits, 8 bits for "clk_seq_hi_res", // 8 bits for "clk_seq_low", // two most significant bits holds zero and one for variant DCE1.1 mt_rand( 0, 0x3fff ) | 0x8000, // 48 bits for "node" mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ) ); } ?>