3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SESSION_start(); $_SESSION['error']="666" <p class="error"><?php echo "$_SESSION['error']"; ?></p> ?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.0.10.0030.09720.16
7.0.00.0100.07720.23
5.6.160.0100.06020.54
5.6.150.0100.08318.18
5.6.140.0200.06718.19
5.6.130.0030.04718.15
5.6.120.0030.04321.01
5.6.110.0230.06720.99
5.6.100.0070.06721.13
5.6.90.0170.07321.07
5.6.80.0030.04020.50
5.5.300.0100.06718.04
5.5.290.0070.07317.99
5.5.280.0030.04320.86
5.5.270.0130.08020.86
5.5.260.0130.06720.73
5.5.250.0130.05720.68
5.5.240.0170.07320.23

preferences:
143.37 ms | 1394 KiB | 7 Q