3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = null; $c = clone $b;

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)
8.3.40.0090.00618.83
8.3.30.0110.00418.77
8.3.20.0030.00620.07
8.3.10.0030.00621.83
8.3.00.0060.00319.91
8.2.170.0070.01022.96
8.2.160.0100.00319.29
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0030.00621.00
8.2.120.0040.00426.35
8.2.110.0000.01021.11
8.2.100.0100.00017.78
8.2.90.0040.00417.96
8.2.80.0040.00418.03
8.2.70.0040.00417.80
8.2.60.0000.00718.09
8.2.50.0040.00418.10
8.2.40.0050.00322.15
8.2.30.0050.00320.59
8.2.20.0040.00417.55
8.2.10.0070.00018.05
8.2.00.0040.00417.90
8.1.270.0110.00420.39
8.1.260.0000.00828.09
8.1.250.0000.00828.09
8.1.240.0090.00023.97
8.1.230.0070.00422.74
8.1.220.0060.00317.79
8.1.210.0090.00318.77
8.1.200.0070.00417.35
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0060.00318.57
8.1.160.0040.00420.61
8.1.150.0040.00418.83
8.1.140.0030.00519.55
8.1.130.0080.00017.63
8.1.120.0070.00017.30
8.1.110.0030.00317.37
8.1.100.0000.00817.28
8.1.90.0060.00317.35
8.1.80.0000.00717.42
8.1.70.0070.00017.27
8.1.60.0040.00717.52
8.1.50.0060.00317.51
8.1.40.0040.00417.40
8.1.30.0000.00817.59
8.1.20.0080.00017.55
8.1.10.0000.00717.49
8.1.00.0040.00417.54
8.0.300.0000.00819.65
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0040.00417.10
8.0.260.0030.00317.23
8.0.250.0070.00016.84
8.0.240.0000.00616.91
8.0.230.0060.00316.86
8.0.220.0080.00016.78
8.0.210.0030.00316.94
8.0.200.0000.00716.93
8.0.190.0100.00016.91
8.0.180.0030.00316.87
8.0.170.0030.00516.88
8.0.160.0040.00416.92
8.0.150.0030.00316.84
8.0.140.0030.00516.81
8.0.130.0030.00313.26
8.0.120.0040.00416.84
8.0.110.0000.00716.77
8.0.100.0050.00216.85
8.0.90.0030.00316.91
8.0.80.0090.00616.90
8.0.70.0040.00416.83
8.0.60.0050.00216.93
8.0.50.0040.00416.75
8.0.30.0120.00716.91
8.0.20.0070.01117.40
8.0.10.0040.00417.05
8.0.00.0090.00916.58
7.4.330.0030.00316.76
7.4.320.0060.00016.35
7.4.300.0030.00316.54
7.4.290.0000.00716.50
7.4.280.0000.00716.49
7.4.270.0000.00716.61
7.4.260.0040.00416.47
7.4.250.0040.00416.56
7.4.240.0030.00416.46
7.4.230.0000.00716.68
7.4.220.0000.01616.61
7.4.210.0060.01216.63
7.4.200.0000.00716.59
7.4.160.0100.00516.32
7.4.150.0130.01017.40
7.4.140.0130.01017.86
7.4.130.0110.00516.47
7.4.120.0110.00816.55
7.4.110.0120.00616.41
7.4.100.0120.00616.46
7.4.90.0110.00716.45
7.4.80.0100.00919.39
7.4.70.0040.01216.35
7.4.60.0110.00716.48
7.4.50.0030.01016.34
7.4.40.0150.00316.39
7.4.30.0030.01316.47
7.4.00.0030.01414.97
7.3.330.0000.00513.04
7.3.320.0000.00613.20
7.3.310.0040.00416.38
7.3.300.0000.00716.30
7.3.290.0050.01116.33
7.3.280.0060.01016.30
7.3.270.0110.00717.40
7.3.260.0090.01216.37
7.3.250.0070.01316.42
7.3.240.0050.01216.42
7.3.230.0090.00916.51
7.3.210.0130.01016.30
7.3.200.0140.00316.38
7.3.190.0150.00716.34
7.3.180.0100.00716.41
7.3.170.0100.00716.53
7.3.160.0100.00716.34
7.2.330.0070.01016.59
7.2.320.0120.00616.29
7.2.310.0070.01016.54
7.2.300.0080.00916.14
7.2.290.0120.00916.29
7.2.110.0110.00416.43
7.2.60.0060.01016.59
7.2.00.0100.01019.28
7.1.200.0080.00415.46
7.1.100.0040.00717.42
7.1.70.0000.01116.74
7.1.60.0070.01819.52
7.1.50.0070.01716.95
7.1.00.0030.07722.44
7.0.200.0030.00716.70
7.0.60.0100.07720.06
7.0.50.0030.05017.89
7.0.40.0070.08719.90
7.0.30.0270.08020.09
7.0.20.0300.07320.00
7.0.10.0070.04020.11
7.0.00.0070.08020.04
5.6.280.0000.05321.06
5.6.210.0070.04020.64
5.6.200.0130.08018.12
5.6.190.0230.05720.45
5.6.180.0300.05020.27
5.6.170.0330.04320.50
5.6.160.0030.05320.48
5.6.150.0130.07718.22
5.6.140.0030.08718.07
5.6.130.0070.08018.21
5.6.120.0030.09021.09
5.6.110.0230.06321.13
5.6.100.0200.06320.98
5.6.90.0100.04020.97
5.6.80.0070.03320.52
5.5.350.0200.07720.43
5.5.340.0100.06717.99
5.5.330.0070.07320.40
5.5.320.0170.07320.21
5.5.310.0230.04320.50
5.5.300.0070.07017.86
5.5.290.0130.07717.89
5.5.280.0100.08720.67
5.5.270.0070.08320.63
5.5.260.0130.07720.95
5.5.250.0030.04020.57
5.5.240.0230.08020.25

preferences:
46.82 ms | 400 KiB | 5 Q