3v4l.org

run code in 300+ PHP versions simultaneously
<?php function check_plain($text) { return htmlspecialchars($text, ENT_QUOTES, 'UTF-8'); } $str = ' is an online shell that allows you to evaluate (hence 3v4l) your code on our servers. We support more than 100 different PHP versions (every version released since 4.3.0) plus HHVM for you to use. For every script you submit, we return: </p><ul> <li>Output from all released PHP and HHVM versions</li> <li>Output from all upcoming alpha &amp; beta PHP versions</li> <li><a href="http://derickrethans.nl/projects.html#vld">VLD</'; print strlen($str) . "\n"; $maxlength = 177; $cutlength = $maxlength; while (0 < $delta = $maxlength - strlen(check_plain(substr($str, 0, $cutlength)))) { $cutlength += $delta; } print substr($str, 0, $cutlength);

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34.34 ms | 402 KiB | 5 Q