php include ไฟล์ แล้ว error ค๊ะ ทำอย่างไรดีค๊ะ

include('json.php');

<?php
// Thanks David Majnemer

// encode/decode stuff is borrowed from the Zend Framework which is released under the New BSD License
if (function_exists('json_encode') && function_exists('json_decode'))
{
	class JSON_obj
	{
		function encode($data)
		{
			return json_encode($data);
		}

		function decode($data)
		{
			return json_decode($data);
		}
	}
}
else
{
	class JSON_obj
	{
	    /**
	     * Parse tokens used to decode the JSON object. These are not
	     * for public consumption, they are just used internally to the
	     * class.
	     */
	    
	    function JSON_obj()
	    {
	    	define('EOF', 0);
	    	define('DATUM', 1);
	    	define('LBRACE', 2);
	    	define('LBRACKET', 3);
	    	define('RBRACE', 4);
	    	define('RBRACKET', 5);
	    	define('COMMA', 6);
	    	define('COLON', 7);
	    }
	
	    /**
	     * Use to maintain a "pointer" to the source being decoded
	     *
	     * @var string
	     */
	    var $_source;
	
	    /**
	     * Caches the source length
	     *
	     * @var int
	     */
	    var $_sourceLength;
	
	    /**
	     * The offset within the souce being decoded
	     *
	     * @var int
	     *
	     */
	    var $_offset;
	
	    /**
	     * The current token being considered in the parser cycle
	     *
	     * @var int
	     */
	    var $_token;
	    
	    function encode($value)
	    {
	    	return $this->_encodeValue($value);
	    }
	
	    function _encodeArray(&$array)
	    {
	        $tmpArray = array();
	
	        // Check for associative array
	        if (!empty($array) && (array_keys($array) !== range(0, count($array) - 1)))
	        {
	            // Associative array
	            $result = '{';
	            foreach ($array as $key => $value)
	            {
	                $key = (string) $key;
	        		$tmpArray[] = $this->_encodeString($key) . ':' . $this->_encodeValue($value);
	            }
	            $result .= implode(',', $tmpArray);
	            $result .= '}';
	        }
	        else
	        {
	            // Indexed array
	            $result = '[';
	            $length = count($array);
	            for ($i = 0; $i < $length; ++$i)
	            {
	                $tmpArray[] = $this->_encodeValue($array[$i]);
	            }
	            $result .= implode(',', $tmpArray);
	            $result .= ']';
	        }
	
	    	return $result;
	    }


}
?>