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  * @file
   6  */
   7
   8 if ( !defined( 'MEDIAWIKI' ) ) {
   9         die( 1 );
  10 }
  11
  12 class FormatJson {
  13
  14         /**
  15          * Returns the JSON representation of a value.
  16          *
  17          * @param $value Mixed: the value being encoded. Can be any type except a resource.
  18          * @param $isHtml Boolean
  19          *
  20          * @return string
  21          */
  22         public static function encode( $value, $isHtml = false ) {
  23                 // Some versions of PHP have a broken json_encode, see PHP bug
  24                 // 46944. Test encoding an affected character (U+20000) to
  25                 // avoid this.
  26                 if ( !function_exists( 'json_encode' ) || $isHtml || strtolower( json_encode( "\xf0\xa0\x80\x80" ) ) != '\ud840\udc00' ) {
  27                         $json = new Services_JSON();
  28                         return $json->encode( $value, $isHtml );
  29                 } else {
  30                         return json_encode( $value );
  31                 }
  32         }
  33
  34         /**
  35          * Decodes a JSON string.
  36          *
  37          * @param $value String: the json string being decoded.
  38          * @param $assoc Boolean: when true, returned objects will be converted into associative arrays.
  39          *
  40          * @return Mixed: the value encoded in json in appropriate PHP type.
  41          * Values true, false and null (case-insensitive) are returned as true, false
  42          * and &null; respectively. &null; is returned if the json cannot be
  43          * decoded or if the encoded data is deeper than the recursion limit.
  44          */
  45         public static function decode( $value, $assoc = false ) {
  46                 if ( !function_exists( 'json_decode' ) ) {
  47                         $json = new Services_JSON();
  48                         $jsonDec = $json->decode( $value );
  49                         if( $assoc ) {
  50                                 $jsonDec = wfObjectToArray( $jsonDec );
  51                         }
  52                         return $jsonDec;
  53                 } else {
  54                         return json_decode( $value, $assoc );
  55                 }
  56         }
  57
  58 }