3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $xxx = 'R3V2ZiBmdmdyIHVuZiBhYmcgYm9nbnZhcnEgbiB5dnByYWZyIHNlYnogPG4gdWVycz0idWdnYzovL3B2Z2VuLmpyby52cSI+UHZnZW5qcm88L24+'; $xxx = base64_decode($xxx); $string = str_rot13('VGhpcyBzaXRlIGhhcyBub3Qgb2J0YWluZWQgYSBsaWNlbnNlIGZyb20gJmx0O2EgaHJlZj0mcXVvdDtodHRwOi8vY2l0cmEud2ViLmlkJnF1b3Q7Jmd0O0NpdHJhd2ViJmx0Oy9hJmd0Ow=='); $b = str_rot13('Y2l0cmF3ZWI='); $encoded = htmlspecialchars($string); $encoded64 = base64_encode('citraweb'); $decoded64 = html_entity_decode(base64_decode(str_rot13($b))); echo $encoded64;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).
Note: hhvm uses a JIT which only kicks in after a few runs. Since we run scripts only once, hhvm always runs slower.

VersionSystem time (s)User time (s)Memory (MiB)
5.6.300.0060.06520.72