Viewing file:  functions-compat.php (2.08 KB) -rw-rw-rw-
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<?php
/* Functions missing from older PHP versions */
/* Added in PHP 4.2.0 */
if (!function_exists('floatval')) {
function floatval($string) {
return ((float) $string);
}
}
if (!function_exists('is_a')) {
function is_a($object, $class) {
// by Aidan Lister <aidan@php.net>
if (get_class($object) == strtolower($class)) {
return true;
} else {
return is_subclass_of($object, $class);
}
}
}
if (!function_exists('ob_clean')) {
function ob_clean() {
// by Aidan Lister <aidan@php.net>
if (@ob_end_clean()) {
return ob_start();
}
return false;
}
}
/* Added in PHP 4.3.0 */
function printr($var, $do_not_echo = false) {
// from php.net/print_r user contributed notes
ob_start();
print_r($var);
$code = htmlentities(ob_get_contents());
ob_clean();
if (!$do_not_echo) {
echo "<pre>$code</pre>";
}
return $code;
}
/* compatibility with PHP versions older than 4.3 */
if ( !function_exists('file_get_contents') ) {
function file_get_contents( $file ) {
$file = file($file);
return !$file ? false : implode('', $file);
}
}
if (!defined('CASE_LOWER')) {
define('CASE_LOWER', 0);
}
if (!defined('CASE_UPPER')) {
define('CASE_UPPER', 1);
}
/**
* Replace array_change_key_case()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/function.array_change_key_case
* @author Stephan Schmidt <schst@php.net>
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 3471 $
* @since PHP 4.2.0
* @require PHP 4.0.0 (user_error)
*/
if (!function_exists('array_change_key_case')) {
function array_change_key_case($input, $case = CASE_LOWER)
{
if (!is_array($input)) {
user_error('array_change_key_case(): The argument should be an array',
E_USER_WARNING);
return false;
}
$output = array ();
$keys = array_keys($input);
$casefunc = ($case == CASE_LOWER) ? 'strtolower' : 'strtoupper';
foreach ($keys as $key) {
$output[$casefunc($key)] = $input[$key];
}
return $output;
}
}
?>
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