Online PHP editor | refs for 3SSKk

<?php $ps = ["fo\"obar", "foobar\"", "foobar\\\\\"", "foo\\\"\"bar"]; $expect = '{"foo":{"password":"****"}}'; foreach ($ps as $p) { $c = json_encode(["foo"=>["password"=>$p]]); if ($expect !== preg_replace('{("password"\s*:\s*)"(?:[^"\\\\]|(?:\\\\.))*"}', '$1"****"', $c)) { echo "Password $p is out of this league!"; exit(1); } }