var obj = jQuery.parseJSON( '{ "name": "John" }' );
alert( obj.name === "John" );
var obj = jQuery.parseJSON( '{ "name": "John" }' );
<?php
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';
var_dump(json_decode($json));
var_dump(json_decode($json, true));
?>
JSON.parse(jsonToDecode)
$value = '{"Name" : "Tamer"}';
json_decode($value);