3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($x, $x, $x=2) { print $x; } test(10, 100);

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)
5.6.280.0000.07721.07
5.6.210.0230.06320.57
5.6.200.0130.07318.24
5.6.190.0070.06720.33
5.6.180.3300.04020.64
5.6.170.0430.04020.62
5.6.160.0000.08018.18
5.6.150.0030.04018.14
5.6.140.0100.07718.14
5.6.130.0030.05018.28
5.6.120.0030.08720.97
5.6.110.0070.04021.02
5.6.100.0030.08021.08
5.6.90.0030.08721.07
5.6.80.0130.07720.37
5.5.350.0200.05720.38
5.5.340.0070.07318.09
5.5.330.0100.07720.37
5.5.320.0230.04320.31
5.5.310.0330.05720.22
5.5.300.0070.06717.95
5.5.290.0100.06317.95
5.5.280.0100.07020.80
5.5.270.0170.07020.89
5.5.260.0200.05320.80
5.5.250.0070.03720.58
5.5.240.3800.03720.05
5.4.450.0670.05019.64
5.4.440.0700.06019.54
5.4.430.0100.05319.63
5.4.420.0130.05719.32
5.4.410.0130.05019.44
5.4.400.0170.04719.29
5.4.390.0000.06719.22
5.4.380.0270.03719.14
5.4.370.0070.05319.24
5.4.360.0070.05319.00
5.4.350.0170.04719.24
5.4.340.0170.04718.95
5.4.320.0130.05019.14
5.4.310.0100.05019.16
5.4.300.0130.04719.18
5.4.290.0070.05319.14
5.4.280.0030.05719.07
5.4.270.0070.05718.99
5.4.260.0100.05319.12
5.4.250.0170.04718.95
5.4.240.0170.04718.99
5.4.230.0170.04319.24
5.4.220.0100.05319.28
5.4.210.0130.04719.02
5.4.200.0130.04717.11
5.4.190.0100.05019.05
5.4.180.0170.06019.13
5.4.170.0130.05018.94
5.4.160.0130.06018.97
5.4.150.0100.07019.11
5.4.140.0000.06016.44
5.4.130.0070.05016.58
5.4.120.0100.05016.54
5.4.110.0230.03316.24
5.4.100.0100.05016.41
5.4.90.0170.04316.58
5.4.80.0130.04316.39
5.4.70.0070.05316.60
5.4.60.0070.05016.60
5.4.50.0070.05016.38
5.4.40.0100.05016.59
5.4.30.0030.05316.44
5.4.20.0100.05016.43
5.4.10.0070.05016.28
5.4.00.0130.04315.73
5.3.290.0100.05314.77
5.3.280.0130.04714.55
5.3.270.0070.05314.48
5.3.260.0100.05314.65
5.3.250.0070.05314.55
5.3.240.0100.05014.65
5.3.230.0100.05014.71
5.3.220.0200.04014.55
5.3.210.0170.04714.52
5.3.200.0100.05014.61
5.3.190.0030.06014.60
5.3.180.0170.06314.61
5.3.170.0130.04714.52
5.3.160.0100.04714.74
5.3.150.0100.05014.71
5.3.140.0100.05014.45
5.3.130.0100.05314.45
5.3.120.0100.05314.52
5.3.110.0170.05714.40
5.3.100.0100.05013.96
5.3.90.0200.04013.95
5.3.80.0100.04714.07
5.3.70.0000.05714.17
5.3.60.0070.05013.97
5.3.50.0130.04314.01
5.3.40.0070.05013.93
5.3.30.0070.05013.83
5.3.20.0070.05013.83
5.3.10.0100.04713.80
5.3.00.0070.05013.54
5.2.170.0100.03710.96
5.2.160.0100.03711.20
5.2.150.0070.04311.10
5.2.140.0070.04011.21
5.2.130.0130.03311.07
5.2.120.0070.04011.04
5.2.110.0130.03311.05
5.2.100.0130.03311.26
5.2.90.0070.04011.00
5.2.80.0100.04011.07
5.2.70.0100.05711.24
5.2.60.0070.04310.97
5.2.50.0130.03710.99
5.2.40.0100.03310.89
5.2.30.0030.04311.11
5.2.20.0030.04311.04
5.2.10.0130.03310.77
5.2.00.0070.04010.89
5.1.60.0100.0279.92
5.1.50.0030.03710.04
5.1.40.0030.0339.89
5.1.30.0070.03710.25
5.1.20.0130.03010.41
5.1.10.0100.03010.21
5.1.00.0100.03010.05
5.0.50.0070.0338.53
5.0.40.0030.0278.40
5.0.30.0030.0438.27
5.0.20.0070.0238.29
5.0.10.0030.0278.12
5.0.00.0030.0438.28
4.4.90.0030.0205.85
4.4.80.0030.0205.84
4.4.70.0030.0205.86
4.4.60.0030.0235.84
4.4.50.0030.0205.93
4.4.40.0030.0375.84
4.4.30.0070.0175.88
4.4.20.0000.0235.80
4.4.10.0000.0235.83
4.4.00.0000.0375.88
4.3.110.0000.0235.71
4.3.100.0030.0205.79
4.3.90.0070.0175.78
4.3.80.0070.0305.77
4.3.70.0000.0235.76
4.3.60.0030.0205.65
4.3.50.0000.0235.67
4.3.40.0030.0335.64
4.3.30.0030.0204.50
4.3.20.0030.0204.39
4.3.10.0030.0204.38
4.3.00.0130.0237.18

preferences:
161.04 ms | 1394 KiB | 7 Q