if (get_class($object) == strtolower($class)) { return true; } else { return is_subclass_of($object, $class); } } } if (!function_exists('ob_clean')) { function ob_clean() { // by Aidan Lister if (@ob_end_clean()) { return ob_start(); } return false; } } /* Added in PHP 4.3.0 */ function printr($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 "

$code

"; } ob_end_clean(); 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 * @author Aidan Lister * @version $Revision$ * @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 $output; } } if (!function_exists('http_build_query')) { function http_build_query($data, $prefix=null, $sep=null) { return _http_build_query($data, $prefix, $sep); } } // from php.net (modified by Mark Jaquith to behave like the native PHP5 function) function _http_build_query($data, $prefix=null, $sep=null, $key='', $urlencode=true) { $ret = array(); foreach ( (array) $data as $k => $v ) { if ( $urlencode) $k = urlencode($k); if ( is_int($k) && $prefix != null ) $k = $prefix.$k; if ( !empty($key) ) $k = $key . '%5B' . $k . '%5D'; if ( $v === NULL ) continue; elseif ( $v === FALSE ) $v = '0'; if ( is_array($v) || is_object($v) ) array_push($ret,_http_build_query($v, '', $sep, $k, $urlencode)); elseif ( $urlencode ) array_push($ret, $k.'='.urlencode($v)); else array_push($ret, $k.'='.$v); } if ( NULL === $sep ) $sep = ini_get('arg_separator.output'); return implode($sep, $ret); } if ( !function_exists('_') ) { function _($string) { return $string; } } // Added in PHP 5.0 if (!function_exists('stripos')) { function stripos($haystack, $needle, $offset = 0) { return strpos(strtolower($haystack), strtolower($needle), $offset); } } if ( ! function_exists('hash_hmac') ): function hash_hmac($algo, $data, $key, $raw_output = false) { $packs = array('md5' => 'H32', 'sha1' => 'H40'); if ( !isset($packs[$algo]) ) return false; $pack = $packs[$algo]; if (strlen($key) > 64) $key = pack($pack, $algo($key)); else if (strlen($key) < 64) $key = str_pad($key, 64, chr(0)); $ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64)); $opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64)); return $algo($opad . pack($pack, $algo($ipad . $data))); } endif; // Added in PHP 4.3.0? if (!defined('IMAGETYPE_GIF')) define('IMAGETYPE_GIF', 1); if (!defined('IMAGETYPE_JPEG')) define('IMAGETYPE_JPEG', 2); if (!defined('IMAGETYPE_PNG')) define('IMAGETYPE_PNG', 3); ?>