3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tests = [ 'no123', // true '123no', // true '123456', // false 'letters', // true ]; foreach ($tests as $test) { echo "$test evaluates as " , (ctype_alnum($test) && !ctype_digit($test) ? 'true' : 'false') , "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
no123 evaluates as true 123no evaluates as true 123456 evaluates as false letters evaluates as true

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
155.85 ms | 405 KiB | 5 Q