3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SESSION_start(); <p class="error"><?php echo '$_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)
7.0.10.0100.08020.17
7.0.00.0070.05020.06
5.6.160.0070.08320.50
5.6.150.0070.07718.15
5.6.140.0070.07718.27
5.6.130.0070.03718.28
5.6.120.0100.07021.11
5.6.110.0000.04721.04
5.6.100.0130.07321.11
5.6.90.0130.06720.99
5.6.80.0000.04320.42
5.5.300.0030.04018.02
5.5.290.0100.07018.00
5.5.280.0170.07320.84
5.5.270.0030.04320.75
5.5.260.0100.07020.83
5.5.250.0100.06020.54
5.5.240.0170.07320.36

preferences:
138.72 ms | 1394 KiB | 7 Q