3v4l.org

run code in 300+ PHP versions simultaneously
<?php class String { } $n = new String; var_dump($n);

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)
5.6.280.0100.06720.98
5.6.210.0000.08720.70
5.6.200.0070.05718.27
5.6.190.0030.07320.64
5.6.180.0330.06320.65
5.6.170.0230.04020.54
5.6.160.0070.04320.54
5.6.150.0100.07018.15
5.6.140.0100.07718.28
5.6.130.0170.04318.27
5.6.120.0130.06721.03
5.6.110.0100.07720.89
5.6.100.0100.08320.96
5.6.90.0030.04321.08
5.6.80.0170.07320.29
5.5.350.0230.07720.40
5.5.340.0070.04018.02
5.5.330.0070.04020.46
5.5.320.0270.07720.27
5.5.310.0200.04720.37
5.5.300.0100.08318.08
5.5.290.0170.07017.97
5.5.280.0100.08020.77
5.5.270.0100.05020.88
5.5.260.0070.08320.86
5.5.250.0000.04720.58
5.5.240.0070.07320.26
5.4.450.0170.06019.63
5.4.440.0300.04719.59
5.4.430.0070.07719.54
5.4.420.0000.06319.39
5.4.410.0070.05719.46
5.4.400.0130.04719.16
5.4.390.0000.06019.12
5.4.380.0130.07019.13
5.4.370.0870.04718.52
5.4.360.0770.05718.70
5.4.350.0900.05018.80
5.4.340.0800.05318.53
5.4.320.0770.05718.49
5.4.310.0800.05318.69
5.4.300.0870.04318.80
5.4.290.0770.05718.48
5.4.280.0930.05318.74
5.4.270.0700.06018.58
5.4.260.0870.04318.81
5.4.250.0770.05718.74
5.4.240.0730.06318.62
5.4.230.0930.04018.45
5.4.220.0870.04718.77
5.4.210.0670.06718.67
5.4.200.0700.06016.71
5.4.190.0900.04318.54
5.4.180.0830.05018.72
5.4.170.0800.05718.48
5.4.160.0700.05718.48
5.4.150.0730.05718.78
5.4.140.0770.05016.26
5.4.130.0830.04016.29
5.4.120.0830.04316.26
5.4.110.0830.04316.35
5.4.100.0830.04716.20
5.4.90.0800.05316.19
5.4.80.0870.04316.27
5.4.70.0770.05716.30
5.4.60.0870.04716.39
5.4.50.0800.04016.29
5.4.40.0700.06016.25
5.4.30.0770.05316.13
5.4.20.0770.05316.12
5.4.10.1030.05716.21
5.4.00.0770.05315.71
5.3.290.0870.05314.65
5.3.280.0830.05014.79
5.3.270.0970.07014.64
5.3.260.0830.05314.70
5.3.250.0770.05314.65
5.3.240.0800.05314.77
5.3.230.0870.04314.53
5.3.220.0830.05314.58
5.3.210.0900.04714.54
5.3.200.0830.05014.57
5.3.190.0830.05314.61
5.3.180.0800.05314.73
5.3.170.0870.04714.58
5.3.160.0900.04314.68
5.3.150.0870.04714.59
5.3.140.0730.06014.71
5.3.130.0770.05714.76
5.3.120.0900.04714.55
5.3.110.0730.05714.59
5.3.100.0770.05714.16
5.3.90.0930.05014.21
5.3.80.0770.05314.07
5.3.70.0770.05314.00
5.3.60.0800.05014.20
5.3.50.0870.05014.00
5.3.40.0800.05014.15
5.3.30.0870.04314.02
5.3.20.0870.04313.72
5.3.10.0800.04713.85
5.3.00.0800.05013.80
5.2.170.0700.04011.14
5.2.160.0630.05011.16
5.2.150.0700.04011.25
5.2.140.0670.04311.24
5.2.130.0630.04311.16
5.2.120.0670.04011.16
5.2.110.0730.03711.07
5.2.100.0700.03711.09
5.2.90.0700.03711.20
5.2.80.0770.03711.12
5.2.70.0630.04711.20
5.2.60.0630.04711.09
5.2.50.0830.03311.05
5.2.40.0600.03711.12
5.2.30.0600.04011.06
5.2.20.0530.04010.99
5.2.10.0430.05010.86
5.2.00.0500.04310.74
5.1.60.0600.02710.17
5.1.50.0530.03710.01
5.1.40.0530.0309.99
5.1.30.0530.03710.35
5.1.20.0530.03710.32
5.1.10.0470.04010.25
5.1.00.0470.04010.16
5.0.50.0300.0278.65
5.0.40.0230.0308.43
5.0.30.0230.0478.25
5.0.20.0270.0308.19
5.0.10.0300.0238.30
5.0.00.0300.0408.24
4.4.90.0300.0175.96
4.4.80.0230.0235.88
4.4.70.0330.0135.96
4.4.60.0230.0236.00
4.4.50.0330.0275.92
4.4.40.0230.0375.88
4.4.30.0370.0235.96
4.4.20.0330.0305.94
4.4.10.0300.0205.97
4.4.00.0230.0375.94
4.3.110.0300.0205.85
4.3.100.0270.0235.85
4.3.90.0230.0235.80
4.3.80.0270.0335.77
4.3.70.0270.0205.84
4.3.60.0330.0135.78
4.3.50.0300.0175.82
4.3.40.0370.0235.77
4.3.30.0100.0274.59
4.3.20.0100.0274.55
4.3.10.0130.0234.47
4.3.00.0070.0207.07

preferences:
162.94 ms | 1720 KiB | 7 Q