3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $s = microtime(1); $i = 0; while (true) { if ( $i>1000 ) break; is_callable('strlen'); } var_dump(microtime(1) - $s);
Output for 4.3.0 - 7.1.7

Process exited with code 137.