ajax - Get and pass Json file with PHP -

i have json file in server:

file.json :

{"max":"512", "min":"1", ... 

i ajax call:

$.ajax({                                           url: 'load_json.php',     type: "post",     data: { id: id },     datatype: 'json',     success: function(resp) {         console.log(resp.json.max);     } }); 

where load_json.php is:

    $json = file_get_contents("file.json");     $response = array('json' => $json);     echo json_encode($response); 

but in console undefined. why?

a possible solution is:

$response = array('json' => json_decode($json)); 

is effective solution?

in php reading file.json string , string putting array, javascript cant parse proper json object. use json_decode function in php code:

$json = file_get_contents("file.json"); $response = array('json' => json_decode($json)); //here echo json_encode($response); 

or:

$json = file_get_contents("file.json"); $response = '{"json":' . $json . '}'; //here echo $response; 

but use first solution.