55 lines
1.3 KiB
PHP
55 lines
1.3 KiB
PHP
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<?php
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/**
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* Replace hash()
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*
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* @category PHP
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* @package PHP_Compat
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* @license LGPL - http://www.gnu.org/licenses/lgpl.html
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* @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
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* @link http://php.net/function.hash
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* @author revulo <revulon@gmail.com>
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* @since PHP 5.1.2
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* @require PHP 4.0.0 (user_error)
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*/
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function php_compat_hash($algo, $data, $raw_output = false)
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{
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$algo = strtolower($algo);
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switch ($algo) {
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case 'md5':
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$hash = md5($data);
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break;
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case 'sha1':
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if (!function_exists('sha1')) {
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require dirname(__FILE__) . '/sha1.php';
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}
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$hash = sha1($data);
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break;
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case 'sha256':
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require_once dirname(__FILE__) . '/sha256.php';
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$hash = SHA256::hash($data);
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break;
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default:
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user_error('hash(): Unknown hashing algorithm: ' . $algo, E_USER_WARNING);
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return false;
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}
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if ($raw_output) {
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return pack('H*', $hash);
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} else {
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return $hash;
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}
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}
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// Define
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if (!function_exists('hash')) {
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function hash($algo, $data, $raw_output = false)
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{
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return php_compat_hash($algo, $data, $raw_output);
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}
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}
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?>
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