includes/json/FormatJson.php

   1 <?php
   2 /**
   3  * Simple wrapper for json_econde and json_decode that falls back on Services_JSON class
   4  */
   5 if ( !defined( 'MEDIAWIKI' ) ) {
   6         die( 1 );
   7 }
   8
   9 class FormatJson {
  10
  11         /**
  12          * Returns the JSON representation of a value.
  13          *
  14          * @param $value Mixed: the value being encoded. Can be any type except a resource.
  15          * @param $isHtml Boolean
  16          *
  17          * @return string
  18          */
  19         public static function encode( $value, $isHtml = false ) {
  20                 // Some versions of PHP have a broken json_encode, see PHP bug
  21                 // 46944. Test encoding an affected character (U+20000) to
  22                 // avoid this.
  23                 if ( !function_exists( 'json_encode' ) || $isHtml || strtolower( json_encode( "\xf0\xa0\x80\x80" ) ) != '\ud840\udc00' ) {
  24                         $json = new Services_JSON();
  25                         return $json->encode( $value, $isHtml );
  26                 } else {
  27                         return json_encode( $value );
  28                 }
  29         }
  30
  31         /**
  32          * Decodes a JSON string.
  33          *
  34          * @param $value String: the json string being decoded.
  35          * @param $assoc Boolean: when true, returned objects will be converted into associative arrays.
  36          *
  37          * @return Mixed: the value encoded in json in appropriate PHP type.
  38          * Values true, false and null (case-insensitive) are returned as true, false
  39          * and &null; respectively. &null; is returned if the json cannot be
  40          * decoded or if the encoded data is deeper than the recursion limit.
  41          */
  42         public static function decode( $value, $assoc = false ) {
  43                 if ( !function_exists( 'json_decode' ) ) {
  44                         $json = new Services_JSON();
  45                         $jsonDec = $json->decode( $value );
  46                         if( $assoc ) {
  47                                 $jsonDec = wfObjectToArray( $jsonDec );
  48                         }
  49                         return $jsonDec;
  50                 } else {
  51                         return json_decode( $value, $assoc );
  52                 }
  53         }
  54
  55 }