+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;
+}