3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a="fuck of"; $$a = true; echo ${"fuck off"}

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)
5.4.260.0170.07018.72
5.4.250.0100.07718.99
5.4.240.0270.06018.85
5.4.230.0100.08019.03
5.4.220.0230.06318.65
5.4.210.0170.07318.64
5.4.200.0030.06018.86
5.4.190.0070.05718.79
5.4.180.0100.05318.90
5.4.170.0170.04718.90
5.4.160.0100.05018.89
5.4.150.0070.05718.79
5.4.140.0100.05316.45
5.4.130.0130.04316.36
5.4.120.0070.05316.45
5.4.110.0000.06016.51
5.4.100.0100.05016.32
5.4.90.0130.04316.22
5.4.80.0170.04316.48
5.4.70.0170.04316.16
5.4.60.0170.04716.47
5.4.50.0070.05316.42
5.4.40.0200.04016.52
5.4.30.0100.06716.46
5.4.20.0100.05016.33
5.4.10.0100.05016.47
5.4.00.0170.05715.69
5.3.280.0130.05314.45
5.3.270.0300.05014.63
5.3.260.0100.05014.63
5.3.250.0070.07714.60
5.3.240.0100.05314.76
5.3.230.0130.05014.48
5.3.220.0100.04714.66
5.3.210.0070.05014.71
5.3.200.0070.05314.41
5.3.190.0100.06314.27
5.3.180.0130.04314.40
5.3.170.0130.05014.58
5.3.160.0070.06714.34
5.3.150.0070.05314.45
5.3.140.0200.06314.55
5.3.130.0100.05714.25
5.3.120.0070.05314.25
5.3.110.0170.07014.26
5.3.100.0130.05314.13
5.3.90.0030.08013.93
5.3.80.0000.08313.89
5.3.70.0070.07313.88
5.3.60.0170.04313.91
5.3.50.0200.03713.82
5.3.40.0030.05713.96
5.3.30.0070.07313.61
5.3.20.0200.03713.70
5.3.10.0130.04313.42
5.3.00.0070.05013.73
5.2.170.0100.03711.15
5.2.160.0130.03011.25
5.2.150.0070.04311.25
5.2.140.0100.04011.14
5.2.130.0130.05711.19
5.2.120.0130.03011.11
5.2.110.0000.04311.11
5.2.100.0030.04011.09
5.2.90.0070.04011.00
5.2.80.0100.06011.09
5.2.70.0070.04010.99
5.2.60.0100.05710.97
5.2.50.0030.04310.95
5.2.40.0070.03711.02
5.2.30.0070.04011.08
5.2.20.0000.04310.96
5.2.10.0100.03711.03
5.2.00.0070.05710.79
5.1.60.0070.03310.02
5.1.50.0130.03010.18
5.1.40.0070.0339.75
5.1.30.0070.03710.50
5.1.20.0070.03710.51
5.1.10.0030.0479.85
5.1.00.0070.03310.10
5.0.50.0100.0308.31
5.0.40.0070.0238.37
5.0.30.0000.0438.13
5.0.20.0070.0208.38
5.0.10.0000.0308.31
5.0.00.0100.0338.19
4.4.90.0030.0207.00
4.4.80.0070.0177.00
4.4.70.0070.0177.00
4.4.60.0070.0177.00
4.4.50.0070.0177.00
4.4.40.0100.0307.00
4.4.30.0030.0237.00
4.4.20.0000.0237.00
4.4.10.0100.0277.00
4.4.00.0070.0407.00
4.3.110.0000.0237.00
4.3.100.0030.0207.00
4.3.90.0000.0207.00
4.3.80.0030.0337.00
4.3.70.0030.0207.00
4.3.60.0000.0277.00
4.3.50.0030.0207.00
4.3.40.0100.0237.00
4.3.30.0030.0207.00
4.3.20.0030.0207.00
4.3.10.0000.0207.00
4.3.00.0000.0278.11

preferences:
146.6 ms | 1394 KiB | 7 Q