3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = $b = 1; list($a, $b) = NULL; var_dump($a, $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)
8.3.40.0140.00018.71
8.3.30.0100.00319.18
8.3.20.0000.00720.16
8.3.10.0080.00020.38
8.3.00.0040.00419.24
8.2.170.0150.00018.97
8.2.160.0120.00622.96
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00722.16
8.2.110.0050.00522.11
8.2.100.0000.01117.72
8.2.90.0070.00019.08
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0000.00817.68
8.2.50.0080.00018.07
8.2.40.0030.00518.22
8.2.30.0040.00419.48
8.2.20.0040.00417.68
8.2.10.0000.00818.06
8.2.00.0040.00417.68
8.1.270.0000.00822.20
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00322.19
8.1.230.0040.00819.16
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0000.00817.09
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0050.00321.89
8.1.150.0040.00418.75
8.1.140.0040.00417.38
8.1.130.0070.00017.69
8.1.120.0000.00717.44
8.1.110.0000.00817.35
8.1.100.0070.00017.38
8.1.90.0070.00017.39
8.1.80.0000.00717.27
8.1.70.0030.00317.35
8.1.60.0000.00817.41
8.1.50.0040.00417.48
8.1.40.0000.00717.46
8.1.30.0080.00017.52
8.1.20.0050.00217.48
8.1.10.0040.00417.52
8.1.00.0000.00817.34
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.34
8.0.270.0030.00317.23
8.0.260.0060.00017.18
8.0.250.0030.00316.82
8.0.240.0000.00716.89
8.0.230.0070.00016.81
8.0.220.0050.00316.79
8.0.210.0050.00316.81
8.0.200.0060.00016.77
8.0.190.0040.00416.89
8.0.180.0040.00416.80
8.0.170.0060.00316.75
8.0.160.0000.00716.81
8.0.150.0030.00316.82
8.0.140.0040.00416.68
8.0.130.0030.00613.22
8.0.120.0050.00316.80
8.0.110.0040.00416.73
8.0.100.0000.00716.73
8.0.90.0000.00716.72
8.0.80.0090.01116.77
8.0.70.0000.00716.76
8.0.60.0040.00416.86
8.0.50.0000.00716.93
8.0.30.0080.01116.88
8.0.20.0080.01217.40
8.0.10.0050.00316.82
8.0.00.0080.01116.86
7.4.330.0000.00415.00
7.4.320.0030.00316.44
7.4.300.0060.00016.43
7.4.290.0000.00716.53
7.4.280.0040.00416.43
7.4.270.0050.00216.36
7.4.260.0050.00216.42
7.4.250.0000.00716.42
7.4.240.0040.00416.50
7.4.230.0000.00716.61
7.4.220.0060.01216.48
7.4.210.0030.01016.55
7.4.200.0070.00016.27
7.4.160.0120.01216.46
7.4.150.0070.01017.40
7.4.140.0130.00817.86
7.4.130.0040.01416.40
7.4.120.0110.00816.38
7.4.110.0100.01416.18
7.4.100.0040.01216.25
7.4.90.0110.00516.41
7.4.80.0120.00819.39
7.4.70.0060.01016.52
7.4.60.0140.00716.35
7.4.50.0040.00416.43
7.4.40.0070.01016.46
7.4.30.0150.00416.43
7.4.00.0070.01014.64
7.3.330.0050.00313.17
7.3.320.0030.00312.95
7.3.310.0000.00616.31
7.3.300.0040.00416.10
7.3.290.0090.00616.15
7.3.280.0080.00816.18
7.3.270.0060.01217.40
7.3.260.0120.00916.48
7.3.250.0120.00916.34
7.3.240.0140.00316.34
7.3.230.0100.00616.46
7.3.210.0090.00916.27
7.3.200.0090.00919.39
7.3.190.0160.00016.48
7.3.180.0060.01016.21
7.3.170.0160.00016.41
7.3.160.0030.01316.55
7.2.330.0090.01316.21
7.2.320.0070.01016.44
7.2.310.0120.00616.51
7.2.300.0110.00616.46
7.2.290.0070.01016.70
7.1.70.0000.01017.06
7.1.60.0090.01219.61
7.1.50.0060.00616.55
7.1.00.0070.07322.42
7.0.200.0150.00614.93
7.0.140.0100.06322.13
7.0.60.0200.07319.95
7.0.50.0000.05317.86
7.0.40.0070.05020.04
7.0.30.0430.06020.18
7.0.20.0400.07020.29
7.0.10.0030.09020.20
7.0.00.0070.04320.09
5.6.280.0000.07721.13
5.6.210.0100.08320.72
5.6.200.0030.05018.13
5.6.190.0070.04020.56
5.6.180.0200.03720.41
5.6.170.0270.06020.38
5.6.160.0070.09020.49
5.6.150.0070.06318.11
5.6.140.0000.04018.12
5.6.130.0070.08318.12
5.6.120.0000.08721.14
5.6.110.0200.07721.13
5.6.100.0100.05021.00
5.6.90.0100.06720.98
5.6.80.0030.05320.36
5.6.70.0270.06720.41
5.5.350.0070.08020.43
5.5.340.0100.04318.00
5.5.330.0000.04320.21
5.5.320.0300.08020.21
5.5.310.0100.04320.20
5.5.300.0170.07317.98
5.5.290.0100.04317.92
5.5.280.0070.08320.79
5.5.270.0070.03720.79
5.5.260.0100.06720.72
5.5.250.0030.04320.55
5.5.240.0100.06720.07
5.4.450.0270.05319.27
5.4.440.0670.06319.24
5.4.430.0770.05319.48
5.4.420.0700.06019.67
5.4.410.0070.07319.34
5.4.400.0930.05018.92
5.4.390.0800.05719.15
5.4.380.0370.05318.50
5.4.370.0270.05718.49
5.4.360.0230.07018.68
5.4.350.0300.05018.72
5.4.340.0300.05318.74
5.4.320.0080.03412.46
5.4.310.0070.03712.45
5.4.300.0040.03812.45
5.4.290.0010.04312.45
5.4.280.0070.03412.35
5.4.270.0050.03912.35
5.4.260.0070.04512.34
5.4.250.0060.03812.35
5.4.240.0050.03612.35
5.4.230.0070.03612.34
5.4.220.0070.03412.34
5.4.210.0080.03312.34
5.4.200.0060.03812.34
5.4.190.0020.04012.34
5.4.180.0060.04212.34
5.4.170.0080.03412.35
5.4.160.0070.03812.35
5.4.150.0070.03512.34
5.4.140.0080.04112.03
5.4.130.0050.03612.02
5.4.120.0030.03711.97
5.4.110.0070.05011.96
5.4.100.0090.04111.97
5.4.90.0080.04711.96
5.4.80.0050.04111.96
5.4.70.0040.03711.96
5.4.60.0050.03611.96
5.4.50.0050.03611.96
5.4.40.0120.02911.95
5.4.30.0030.03811.95
5.4.20.0090.03211.95
5.4.10.0050.03611.94
5.4.00.0050.04211.43
5.3.290.0090.03712.80
5.3.280.0090.03512.70
5.3.270.0050.04112.72
5.3.260.0050.04112.72
5.3.250.0080.04912.72
5.3.240.0050.03912.72
5.3.230.0090.03512.71
5.3.220.0060.03812.68
5.3.210.0030.04412.68
5.3.200.0080.03712.68
5.3.190.0070.03612.68
5.3.180.0040.03812.67
5.3.170.0040.03812.67
5.3.160.0080.03512.67
5.3.150.0060.03712.67
5.3.140.0100.03212.66
5.3.130.0050.04012.66
5.3.120.0050.04312.66
5.3.110.0090.03712.66
5.3.100.0060.03812.12
5.3.90.0080.03812.08
5.3.80.0090.03412.08
5.3.70.0040.03812.08
5.3.60.0040.03812.06
5.3.50.0050.04312.00
5.3.40.0070.04412.00
5.3.30.0060.03511.94
5.3.20.0050.03611.72
5.3.10.0050.03411.69
5.3.00.0060.03511.68
5.2.170.0040.0339.18
5.2.160.0040.0339.18
5.2.150.0050.0349.18
5.2.140.0010.0349.18
5.2.130.0020.0319.14
5.2.120.0050.0289.13
5.2.110.0040.0309.14
5.2.100.0030.0299.13
5.2.90.0050.0289.14
5.2.80.0060.0299.13
5.2.70.0080.0349.13
5.2.60.0030.0369.09
5.2.50.0070.0289.05
5.2.40.0040.0309.04
5.2.30.0080.0269.00
5.2.20.0080.0258.99
5.2.10.0070.0308.92
5.2.00.0030.0308.77
5.1.60.0020.0258.06
5.1.50.0070.0228.06
5.1.40.0050.0238.04
5.1.30.0050.0268.39
5.1.20.0040.0268.41
5.1.10.0040.0268.14
5.1.00.0020.0278.14
5.0.50.0020.0216.62
5.0.40.0030.0196.47
5.0.30.0020.0356.29
5.0.20.0040.0186.26
5.0.10.0010.0226.23
5.0.00.0030.0336.23
4.4.90.0040.0144.78
4.4.80.0040.0144.76
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0040.0244.71
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0040.0144.85
4.4.00.0030.0254.75
4.3.110.0000.0184.67
4.3.100.0050.0124.67
4.3.90.0020.0154.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0030.0184.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0010.0163.28
4.3.20.0010.0193.26
4.3.10.0010.0163.21
4.3.00.0070.0207.38

preferences:
41.55 ms | 400 KiB | 5 Q