55cb586498
git-svn-id: https://develop.svn.wordpress.org/trunk@3471 602fd350-edb4-49c9-b593-d223f7449a82
101 lines
2.1 KiB
PHP
101 lines
2.1 KiB
PHP
<?php
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/* Functions missing from older PHP versions */
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/* Added in PHP 4.2.0 */
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if (!function_exists('floatval')) {
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function floatval($string) {
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return ((float) $string);
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}
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}
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if (!function_exists('is_a')) {
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function is_a($object, $class) {
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// by Aidan Lister <aidan@php.net>
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if (get_class($object) == strtolower($class)) {
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return true;
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} else {
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return is_subclass_of($object, $class);
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}
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}
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}
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if (!function_exists('ob_clean')) {
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function ob_clean() {
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// by Aidan Lister <aidan@php.net>
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if (@ob_end_clean()) {
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return ob_start();
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}
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return false;
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}
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}
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/* Added in PHP 4.3.0 */
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function printr($var, $do_not_echo = false) {
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// from php.net/print_r user contributed notes
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ob_start();
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print_r($var);
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$code = htmlentities(ob_get_contents());
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ob_clean();
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if (!$do_not_echo) {
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echo "<pre>$code</pre>";
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}
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return $code;
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}
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/* compatibility with PHP versions older than 4.3 */
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if ( !function_exists('file_get_contents') ) {
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function file_get_contents( $file ) {
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$file = file($file);
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return !$file ? false : implode('', $file);
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}
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}
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if (!defined('CASE_LOWER')) {
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define('CASE_LOWER', 0);
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}
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if (!defined('CASE_UPPER')) {
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define('CASE_UPPER', 1);
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}
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/**
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* Replace array_change_key_case()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/function.array_change_key_case
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* @author Stephan Schmidt <schst@php.net>
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision$
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* @since PHP 4.2.0
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('array_change_key_case')) {
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function array_change_key_case($input, $case = CASE_LOWER)
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{
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if (!is_array($input)) {
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user_error('array_change_key_case(): The argument should be an array',
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E_USER_WARNING);
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return false;
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}
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$output = array ();
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$keys = array_keys($input);
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$casefunc = ($case == CASE_LOWER) ? 'strtolower' : 'strtoupper';
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foreach ($keys as $key) {
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$output[$casefunc($key)] = $input[$key];
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}
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return $output;
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}
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}
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?>
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