3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump("Hello, world" == 0); var_dump(NULL + 1); var_dump(NULL - 1); $x = NULL; --NULL; var_dump($x);

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)
7.0.20.0230.06720.15
7.0.10.0030.05020.21
7.0.00.0100.04020.09
5.6.170.1400.05720.47
5.6.160.0100.06320.66
5.6.150.0100.08318.25
5.6.140.0030.05718.12
5.6.130.0100.08018.19
5.6.120.0130.06021.04
5.6.110.0100.06321.08
5.6.100.0100.08021.00
5.6.90.0130.08020.99
5.6.80.0130.06720.50
5.5.310.0270.06020.34
5.5.300.0030.07017.95
5.5.290.0100.08717.95
5.5.280.0070.04320.89
5.5.270.0100.06720.86
5.5.260.0100.04720.88
5.5.250.0100.05720.66
5.5.240.0030.08020.18

preferences:
137.51 ms | 1394 KiB | 7 Q