3v4l.org

run code in 300+ PHP versions simultaneously
<?php // spl $SplFixedArray = new SplFixedArray(1024 * 1024); // array(); for ($i = 0; $i < 1024 * 1024; ++$i) $SplFixedArray[$i] = 0; echo 'SplFixedArray: '.memory_get_peak_usage();
Output for git.master
SplFixedArray: 17164560
Output for git.master_jit
Fatal error: Out of memory (allocated 2097152 bytes) (tried to allocate 16777216 bytes) in /in/nsRTH on line 3 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for rfc.property-hooks
SplFixedArray: 17164512

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:
51.36 ms | 401 KiB | 8 Q