- var_dump: documentation ( source)
- urldecode: documentation ( source)
<?php
var_dump(urldecode('https://accounts.google.com/o/oauth2/auth?response_type=code&redirect_uri=http%3A%2F%2Ftestnewpowersites.powers1tes.net%2Fapi%2Fblogs%2Fsocials%2Fgoogle%2Fauth&client_id=655927590007-9p08j2canrha00rkfuigbcp8pi4k68vn.apps.googleusercontent.com&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fplus.login&access_type=offline&approval_prompt=auto&request_visible_actions=http%3A%2F%2Fschemas.google.com%2FAddActivity'));