3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ''; for ($i=0; $i < 128; $i++) { $string .= chr($i); } $encoded = json_encode($string, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT); $decoded =json_decode($encoded, TRUE); var_dump($string == $decoded);

preferences:
38.4 ms | 402 KiB | 5 Q