Answers for "use json array from php to javascript"

how to receive json data in php

$data = json_decode(file_get_contents('php://input'), true);
print_r($data);
echo $data;

php object to json

function getJsonData(){
    $var = get_object_vars($this);
    foreach ($var as &$value) {
        if (is_object($value) && method_exists($value,'getJsonData')) {
            $value = $value->getJsonData();
        }
    }
    return $var;
}