- json_decode: documentation ( source)
- print_r: documentation ( source)
<?php
$json = '{"_method":"POST","data[Feedback][business_name]":"Hello","data[Feedback][contact_name]":"Hareesh","data[Feedback][phone_number]":"","data[Feedback][state_name]":"1","data[Feedback][email]":"hb.hareesh@hiddenbrains.in","data[Feedback][message]":"dfffdfd"}';
$array = json_decode($json,true);
echo print_r($array);