use json_encode & json_decode at old php

gistfile1.php

<?php

//JSON.php -> http://pear.php.net/package/Services_JSON/
require_once 'JSON.php';
if ( !function_exists('json_decode') ){

	function json_decode($content, $assoc=false){

		if ( $assoc ){
			$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
		} else {
			$json = new Services_JSON;
		}

		return $json->decode($content);

	}

}


if ( !function_exists('json_encode') ){

	function json_encode($content){

		$json = new Services_JSON;
		return $json->encodeUnsafe($content);
	}

}