3v4l.org

run code in 300+ PHP versions simultaneously
<?php $float = 0.0000000038; echo "$float\n"; $str = (string)$float; echo "$str\n"; $n_dec = strlen(substr(strrch($str, '.'), 1)); echo "$n_dec\n"; echo number_format($float, $n_dec), "\n";
Output for git.master, git.master_jit, rfc.property-hooks
3.8E-9 3.8E-9 Fatal error: Uncaught Error: Call to undefined function strrch() in /in/9V9Td:8 Stack trace: #0 {main} thrown in /in/9V9Td on line 8
Process exited with code 255.

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:
47.41 ms | 401 KiB | 8 Q