X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4..baca9ce86a38dc54c4574890ee2d352fd81f78b2:/wp-includes/compat.php

diff --git a/wp-includes/compat.php b/wp-includes/compat.php
index 9eb18d4d..cb2a5597 100644
--- a/wp-includes/compat.php
+++ b/wp-includes/compat.php
@@ -1,63 +1,44 @@
 <?php
 /**
- * WordPress implementation for PHP functions missing from older PHP versions.
+ * WordPress implementation for PHP functions either missing from older PHP versions or not included by default.
  *
  * @package PHP
  * @access private
  */
 
-// Added in PHP 5.0
-
-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, $ret);
-}
-
+// If gettext isn't available
 if ( !function_exists('_') ) {
 	function _($string) {
 		return $string;
 	}
 }
 
-if (!function_exists('stripos')) {
-	function stripos($haystack, $needle, $offset = 0) {
-		return strpos(strtolower($haystack), strtolower($needle), $offset);
+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('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]) )
@@ -67,33 +48,49 @@ 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_strcut') ):
-	function mb_strcut( $str, $start, $length=null, $encoding=null ) {
-		return _mb_strcut($str, $start, $length, $encoding);
-	}
-endif;
+if ( !function_exists('json_encode') ) {
+	function json_encode( $string ) {
+		global $wp_json;
 
-function _mb_strcut( $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, $length);
+		if ( !is_a($wp_json, 'Services_JSON') ) {
+			require_once( ABSPATH . WPINC . '/class-json.php' );
+			$wp_json = new Services_JSON();
+		}
+
+		return $wp_json->encodeUnsafe( $string );
 	}
-	// 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('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;
+	}
+}