3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '44'; $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)
5.4.40.0070.04316.24
5.4.30.0070.03316.21
5.4.20.0100.03316.57
5.4.10.0030.07016.34
5.4.00.0000.07715.93
5.3.140.0070.05314.48
5.3.130.0000.05714.48
5.3.120.0030.04314.45
5.3.110.0070.07714.37
5.3.100.0070.06313.98
5.3.90.0000.08713.95
5.3.80.0070.04313.98
5.3.70.0130.04313.83
5.3.60.0070.05313.95
5.3.50.0100.03713.96
5.3.40.0100.06713.78
5.3.30.0070.07013.73
5.3.20.0070.03713.70
5.3.10.0070.06013.50
5.3.00.0130.04713.62

preferences:
134.38 ms | 1398 KiB | 7 Q