3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $dero = '12345678901234567890123456789012345678901234567890123456789012345678901234567890'; echo substr($dero,0,64);
Output for 4.3.0 - 7.1.0
1234567890123456789012345678901234567890123456789012345678901234