X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..8a4706fdeb1ae30268e510df6ccf3c39b3028059:/wp-includes/compat.php diff --git a/wp-includes/compat.php b/wp-includes/compat.php index a4914b56..cb2a5597 100644 --- a/wp-includes/compat.php +++ b/wp-includes/compat.php @@ -1,150 +1,96 @@ - if (get_class($object) == strtolower($class)) { - return true; - } else { - return is_subclass_of($object, $class); - } +if ( !function_exists('mb_substr') ): + function mb_substr( $str, $start, $length=null, $encoding=null ) { + return _mb_substr($str, $start, $length, $encoding); + } +endif; + +function _mb_substr( $str, $start, $length=null, $encoding=null ) { + // the solution below, works only for utf-8, so in case of a different + // charset, just use built-in substr + $charset = get_option( 'blog_charset' ); + if ( !in_array( $charset, array('utf8', 'utf-8', 'UTF8', 'UTF-8') ) ) { + return is_null( $length )? substr( $str, $start ) : substr( $str, $start, $length); } + // use the regex unicode support to separate the UTF-8 characters into an array + preg_match_all( '/./us', $str, $match ); + $chars = is_null( $length )? array_slice( $match[0], $start ) : array_slice( $match[0], $start, $length ); + return implode( '', $chars ); } -if (!function_exists('ob_clean')) { - function ob_clean() { - // by Aidan Lister - if (@ob_end_clean()) { - return ob_start(); - } - return false; - } +if ( !function_exists('hash_hmac') ): +function hash_hmac($algo, $data, $key, $raw_output = false) { + return _hash_hmac($algo, $data, $key, $raw_output); } +endif; +function _hash_hmac($algo, $data, $key, $raw_output = false) { + $packs = array('md5' => 'H32', 'sha1' => 'H40'); -/* Added in PHP 4.3.0 */ + if ( !isset($packs[$algo]) ) + return false; -function printr($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; -} + $pack = $packs[$algo]; -/* 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('', $file); - } -} + if (strlen($key) > 64) + $key = pack($pack, $algo($key)); -if (!defined('CASE_LOWER')) { - define('CASE_LOWER', 0); -} + $key = str_pad($key, 64, chr(0)); + + $ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64)); + $opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64)); -if (!defined('CASE_UPPER')) { - define('CASE_UPPER', 1); + $hmac = $algo($opad . pack($pack, $algo($ipad . $data))); + + if ( $raw_output ) + return pack( $pack, $hmac ); + return $hmac; } +if ( !function_exists('json_encode') ) { + function json_encode( $string ) { + global $wp_json; -/** - * 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: 6070 $ - * @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 $output; + if ( !is_a($wp_json, 'Services_JSON') ) { + require_once( ABSPATH . WPINC . '/class-json.php' ); + $wp_json = new Services_JSON(); } -} -if (!function_exists('http_build_query')) { - function http_build_query($data, $prefix=null, $sep=null) { - return _http_build_query($data, $prefix, $sep); + return $wp_json->encodeUnsafe( $string ); } } -// from php.net (modified by Mark Jaquith to behave like the native PHP5 function) -function _http_build_query($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'); +if ( !function_exists('json_decode') ) { + function json_decode( $string, $assoc_array = false ) { + global $wp_json; - return implode($sep, $ret); -} + if ( !is_a($wp_json, 'Services_JSON') ) { + require_once( ABSPATH . WPINC . '/class-json.php' ); + $wp_json = new Services_JSON(); + } -if ( !function_exists('_') ) { - function _($string) { - return $string; + $res = $wp_json->decode( $string ); + if ( $assoc_array ) + $res = _json_decode_object_helper( $res ); + return $res; } -} - -// Added in PHP 5.0 -if (!function_exists('stripos')) { - function stripos($haystack, $needle, $offset = 0) { - return strpos(strtolower($haystack), strtolower($needle), $offset); + function _json_decode_object_helper($data) { + if ( is_object($data) ) + $data = get_object_vars($data); + return is_array($data) ? array_map(__FUNCTION__, $data) : $data; } } - -?>