- var_dump: documentation ( source)
- json_decode: documentation ( source)
<?php
$data = '{"id":"51","name":"abc","address":"stffu fsagu asfhgui fsahgiu3#$@^^@#%^3 6\"\"wkgforqf\";rqgjrg..,,,rqwgtr\'\'qwrgtrw\'trwqt\'rqwtqwr trqt\n"}';
var_dump($data);
//$string = htmlspecialchars($data, ENT_QUOTES);
//$jsonFix = urldecode($string);
//$string = htmlentities($jsonFix, ENT_QUOTES | ENT_IGNORE, "UTF-8");
$json = json_decode($data, true);
var_dump($json);