X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..e9d988989fe37ab8c5f903e47fbe36e6e00dc51f:/wp-includes/compat.php?ds=sidebyside diff --git a/wp-includes/compat.php b/wp-includes/compat.php index a4914b56..4edf33b0 100644 --- a/wp-includes/compat.php +++ b/wp-includes/compat.php @@ -1,102 +1,12 @@ - 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() + * WordPress implementation for PHP functions missing from older PHP versions. * - * @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) + * @package PHP + * @access private */ -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 $output; - } -} + +// Added in PHP 5.0 if (!function_exists('http_build_query')) { function http_build_query($data, $prefix=null, $sep=null) { @@ -140,11 +50,121 @@ if ( !function_exists('_') ) { } } -// Added in PHP 5.0 if (!function_exists('stripos')) { function stripos($haystack, $needle, $offset = 0) { return strpos(strtolower($haystack), strtolower($needle), $offset); } } -?> +if ( !function_exists('hash_hmac') ): +function hash_hmac($algo, $data, $key, $raw_output = false) { + return _hash_hmac($algo, $data, $key, $raw_output); +} +endif; + +function _hash_hmac($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)); + + $key = str_pad($key, 64, chr(0)); + + $ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64)); + $opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64)); + + $hmac = $algo($opad . pack($pack, $algo($ipad . $data))); + + if ( $raw_output ) + return pack( $pack, $hmac ); + return $hmac; +} + +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( 'htmlspecialchars_decode' ) ) { + // Added in PHP 5.1.0 + // Error checks from PEAR::PHP_Compat + function htmlspecialchars_decode( $string, $quote_style = ENT_COMPAT ) + { + if ( !is_scalar( $string ) ) { + trigger_error( 'htmlspecialchars_decode() expects parameter 1 to be string, ' . gettype( $string ) . ' given', E_USER_WARNING ); + return; + } + + if ( !is_int( $quote_style ) && $quote_style !== null ) { + trigger_error( 'htmlspecialchars_decode() expects parameter 2 to be integer, ' . gettype( $quote_style ) . ' given', E_USER_WARNING ); + return; + } + + return wp_specialchars_decode( $string, $quote_style ); + } +} + +// For PHP < 5.2.0 +if ( !function_exists('json_encode') ) { + function json_encode( $string ) { + global $wp_json; + + if ( !is_a($wp_json, 'Services_JSON') ) { + require_once( ABSPATH . WPINC . '/class-json.php' ); + $wp_json = new Services_JSON(); + } + + return $wp_json->encodeUnsafe( $string ); + } +} + +if ( !function_exists('json_decode') ) { + function json_decode( $string, $assoc_array = false ) { + global $wp_json; + + if ( !is_a($wp_json, 'Services_JSON') ) { + require_once( ABSPATH . WPINC . '/class-json.php' ); + $wp_json = new Services_JSON(); + } + + $res = $wp_json->decode( $string ); + if ( $assoc_array ) + $res = _json_decode_object_helper( $res ); + return $res; + } + function _json_decode_object_helper($data) { + if ( is_object($data) ) + $data = get_object_vars($data); + return is_array($data) ? array_map(__FUNCTION__, $data) : $data; + } +} + +// pathinfo that fills 'filename' without extension like in PHP 5.2+ +function pathinfo52($path) { + $parts = pathinfo($path); + if ( !isset($parts['filename']) ) { + $parts['filename'] = substr( $parts['basename'], 0, strrpos($parts['basename'], '.') ); + if ( empty($parts['filename']) ) // there's no extension + $parts['filename'] = $parts['basename']; + } + return $parts; +}