3v4l.org

run code in 300+ PHP versions simultaneously
<?php while(fork()) { $foo .= "x" x 10485760; } ?>

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)
5.4.40.0200.04011.97
5.4.30.0160.04611.96
5.4.20.0170.04411.96
5.4.10.0150.04311.97
5.4.00.0120.04611.46
5.3.140.0220.04312.66
5.3.130.0250.04112.66
5.3.120.0190.04612.65
5.3.110.0200.04812.66
5.3.100.0210.04612.12
5.3.90.0200.04312.08
5.3.80.0210.04412.08
5.3.70.0210.04412.07
5.3.60.0170.04912.06
5.3.50.0180.04512.00
5.3.40.0290.06412.00
5.3.30.0220.03811.95
5.3.20.0190.04311.73
5.3.10.0190.04411.69
5.3.00.0190.04311.67

preferences:
142.85 ms | 1386 KiB | 7 Q