Wordpress 2.9.1

[autoinstalls/wordpress.git] / wp-includes / compat.php

diff --git a/wp-includes/compat.php b/wp-includes/compat.php
index 0043865000503fe8465d007c325a427ac3e1094d..45d746bec117df33755135022634391b91802bd2 100644 (file)
--- a/wp-includes/compat.php
+++ b/wp-includes/compat.php
@@ -56,8 +56,13 @@ if (!function_exists('stripos')) {
        }
 }
 
-if ( ! function_exists('hash_hmac') ):
+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]) )
@@ -67,17 +72,20 @@ function hash_hmac($algo, $data, $key, $raw_output = false) {
 
        if (strlen($key) > 64)
                $key = pack($pack, $algo($key));
-       else if (strlen($key) < 64)
-               $key = str_pad($key, 64, chr(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));
 
-       return $algo($opad . pack($pack, $algo($ipad . $data)));
+       $hmac = $algo($opad . pack($pack, $algo($ipad . $data)));
+
+       if ( $raw_output )
+               return pack( $pack, $hmac );
+       return $hmac;
 }
-endif;
 
-if ( ! function_exists('mb_substr') ):
+if ( !function_exists('mb_substr') ):
        function mb_substr( $str, $start, $length=null, $encoding=null ) {
                return _mb_substr($str, $start, $length, $encoding);
        }
@@ -115,4 +123,40 @@ if ( !function_exists( 'htmlspecialchars_decode' ) ) {
        }
 }
 
-?>
+// 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( 'class-json.php' );
+                       $wp_json = new Services_JSON();
+               }
+
+               return $wp_json->encodeUnsafe( $string );
+       }
+}
+
+if ( !function_exists('json_decode') ) {
+       function json_decode( $string ) {
+               global $wp_json;
+
+               if ( !is_a($wp_json, 'Services_JSON') ) {
+                       require_once( 'class-json.php' );
+                       $wp_json = new Services_JSON();
+               }
+
+               return $wp_json->decode( $string );
+       }
+}
+
+// pathinfo that fills 'filename' without extension like in PHP 5.2+
+function pathinfo52($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;
+}