Services_JSON

122class Services_JSON123{124   /**125    * Object behavior flags.126    *127    * @var int128    */129    public $use;130 131    // private - cache the mbstring lookup results..132    var $_mb_strlen = false;133    var $_mb_substr = false;134    var $_mb_convert_encoding = false;135 136   /**137    * constructs a new JSON instance138    *139    * @deprecated 5.3.0 Use the PHP native JSON extension instead.140    *141    * @param    int     $use    object behavior flags; combine with boolean-OR142    *143    *                           possible values:144    *                           - SERVICES_JSON_LOOSE_TYPE:  loose typing.145    *                                   "{...}" syntax creates associative arrays146    *                                   instead of objects in decode().147    *                           - SERVICES_JSON_SUPPRESS_ERRORS:  error suppression.148    *                                   Values which can't be encoded (e.g. resources)149    *                                   appear as NULL instead of throwing errors.150    *                                   By default, a deeply-nested resource will151    *                                   bubble up with an error, so all return values152    *                                   from encode() should be checked with isError()153    *                           - SERVICES_JSON_USE_TO_JSON:  call toJSON when serializing objects154    *                                   It serializes the return value from the toJSON call rather 155    *                                   than the object itself, toJSON can return associative arrays, 156    *                                   strings or numbers, if you return an object, make sure it does157    *                                   not have a toJSON method, otherwise an error will occur.158    */159    function __construct( $use = 0 )160    {161        _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );162 163        $this->use = $use;164        $this->_mb_strlen            = function_exists('mb_strlen');165        $this->_mb_convert_encoding  = function_exists('mb_convert_encoding');166        $this->_mb_substr            = function_exists('mb_substr');167    }168 169    /**170     * PHP4 constructor.171     *172     * @deprecated 5.3.0 Use __construct() instead.173     *174     * @see Services_JSON::__construct()175     */176    public function Services_JSON( $use = 0 ) {177        _deprecated_constructor( 'Services_JSON', '5.3.0', get_class( $this ) );178        self::__construct( $use );179    }180 181   /**182    * convert a string from one UTF-16 char to one UTF-8 char183    *184    * Normally should be handled by mb_convert_encoding, but185    * provides a slower PHP-only method for installations186    * that lack the multibye string extension.187    *188    * @deprecated 5.3.0 Use the PHP native JSON extension instead.189    *190    * @param    string  $utf16  UTF-16 character191    * @return   string  UTF-8 character192    * @access   private193    */194    function utf162utf8($utf16)195    {196        _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );197 198        // oh please oh please oh please oh please oh please199        if($this->_mb_convert_encoding) {200            return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');201        }