3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'foo'; var_dump(memory_get_usage()); foreach (range(1,100) as $i) { $$i = $foo; } var_dump(memory_get_usage());

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)
7.2.00.0090.00619.19
7.1.70.0060.00317.03
7.1.60.0100.01619.46
7.1.50.0070.00717.03
7.1.00.0070.07322.36
7.0.200.0040.00416.81
7.0.140.0030.07322.12
7.0.60.0000.05319.91
7.0.50.0070.03717.92
7.0.40.0000.05020.05
7.0.30.0170.04720.20
7.0.20.0170.04720.45
7.0.10.0070.08320.09
7.0.00.0130.08020.16
5.6.280.0030.07321.13
5.6.210.0000.04720.69
5.6.200.0100.07018.23
5.6.190.0070.08320.57
5.6.180.0330.07020.45
5.6.170.0330.08020.50
5.6.160.0130.08320.40
5.6.150.0130.07318.12
5.6.140.0000.04318.18
5.6.130.0070.04718.08
5.6.120.0030.04321.05
5.6.110.0200.08020.97
5.6.100.0030.08721.02
5.6.90.0070.04020.99
5.6.80.0200.06720.38
5.5.350.0230.07020.49
5.5.340.0000.04717.98
5.5.330.0030.08720.43
5.5.320.0200.04320.20
5.5.310.0300.05720.30
5.5.300.0030.04018.01
5.5.290.0070.08317.94
5.5.280.0030.06320.87
5.5.270.0030.08320.75
5.5.260.0030.08020.87
5.5.250.0030.04320.68
5.5.240.0030.03720.15
5.4.450.0170.04319.49
5.4.440.0170.04719.41
5.4.430.0400.04019.41
5.4.420.0770.02719.57
5.4.410.0230.04019.41
5.4.400.0270.04019.25
5.4.390.0230.04018.80
5.4.380.0270.05718.64
5.4.370.0330.06018.61
5.4.360.0570.04318.70
5.4.350.0530.05018.61
5.4.340.0530.05718.51
5.4.320.0090.04712.48
5.4.310.0060.04712.47
5.4.300.0040.03912.47
5.4.290.0080.04112.47
5.4.280.0060.03512.37
5.4.270.0040.03812.37
5.4.260.0090.03612.37
5.4.250.0060.03712.37
5.4.240.0080.03712.37
5.4.230.0050.04512.36
5.4.220.0060.03812.36
5.4.210.0090.04912.36
5.4.200.0040.04012.36
5.4.190.0070.03912.36
5.4.180.0080.03612.36
5.4.170.0090.03712.37
5.4.160.0060.03912.37
5.4.150.0070.03612.36
5.4.140.0080.03812.04
5.4.130.0090.03312.03
5.4.120.0100.03111.99
5.4.110.0080.03311.98
5.4.100.0060.03811.98
5.4.90.0030.04011.98
5.4.80.0090.04111.98
5.4.70.0090.04811.98
5.4.60.0060.03711.98
5.4.50.0050.03811.98
5.4.40.0070.03511.97
5.4.30.0030.04011.96
5.4.20.0060.03711.96
5.4.10.0060.04411.96
5.4.00.0030.04011.46
5.3.290.0050.04212.80
5.3.280.0060.03912.71
5.3.270.0050.04212.72
5.3.260.0030.04312.71
5.3.250.0030.04112.72
5.3.240.0080.03512.72
5.3.230.0040.04012.70
5.3.220.0120.03812.68
5.3.210.0080.03912.68
5.3.200.0060.03812.68
5.3.190.0100.04312.68
5.3.180.0050.04112.68
5.3.170.0060.05012.67
5.3.160.0060.04712.67
5.3.150.0070.04012.68
5.3.140.0040.03812.66
5.3.130.0060.04512.66
5.3.120.0090.04712.66
5.3.110.0090.05512.65
5.3.100.0090.05212.12
5.3.90.0050.03612.08
5.3.80.0080.03512.07
5.3.70.0030.04712.07
5.3.60.0040.04012.06
5.3.50.0070.03612.00
5.3.40.0090.03512.00
5.3.30.0050.03811.96
5.3.20.0070.03511.74
5.3.10.0050.03711.71
5.3.00.0050.04111.70
5.2.170.0060.0319.20
5.2.160.0050.0359.20
5.2.150.0100.0389.20
5.2.140.0010.0369.19
5.2.130.0080.0399.15
5.2.120.0030.0319.15
5.2.110.0050.0309.16
5.2.100.0050.0299.16
5.2.90.0020.0359.16
5.2.80.0060.0399.15
5.2.70.0050.0409.16
5.2.60.0040.0399.11
5.2.50.0060.0299.08
5.2.40.0010.0329.05
5.2.30.0080.0269.02
5.2.20.0050.0289.02
5.2.10.0020.0308.96
5.2.00.0050.0298.78
5.1.60.0040.0248.06
5.1.50.0030.0348.06
5.1.40.0060.0338.04
5.1.30.0050.0298.39
5.1.20.0040.0278.41
5.1.10.0060.0248.14
5.1.00.0040.0258.14
5.0.50.0050.0206.62
5.0.40.0030.0206.47
5.0.30.0060.0296.29
5.0.20.0040.0186.26
5.0.10.0050.0186.24
5.0.00.0040.0296.23
4.4.90.0040.0184.78
4.4.80.0030.0204.75
4.4.70.0050.0194.75
4.4.60.0040.0194.76
4.4.50.0030.0214.77
4.4.40.0020.0344.71
4.4.30.0060.0184.75
4.4.20.0010.0184.84
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0030.0164.67
4.3.100.0050.0134.67
4.3.90.0040.0134.63
4.3.80.0030.0244.58
4.3.70.0020.0164.63
4.3.60.0030.0154.63
4.3.50.0040.0184.63
4.3.40.0040.0314.53
4.3.30.0040.0203.29
4.3.20.0040.0203.26
4.3.10.0040.0203.22
4.3.00.0000.01718.23

preferences:
37.63 ms | 400 KiB | 5 Q