3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function foo (): a { return $this; } } $a = new a; var_dump($a->foo());

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)
8.3.60.0110.01116.75
8.3.50.0070.01017.81
8.3.40.0140.00418.89
8.3.30.0060.00918.43
8.3.20.0040.00420.30
8.3.10.0040.00423.66
8.3.00.0030.00619.13
8.2.180.0120.00918.29
8.2.170.0040.01122.96
8.2.160.0110.00422.20
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00017.50
8.2.120.0080.00026.35
8.2.110.0070.00422.11
8.2.100.0000.01217.80
8.2.90.0040.00419.09
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0080.00017.68
8.2.50.0060.00318.07
8.2.40.0000.00819.40
8.2.30.0000.00720.62
8.2.20.0040.00417.70
8.2.10.0040.00417.92
8.2.00.0040.00417.89
8.1.280.0110.00425.92
8.1.270.0070.00321.93
8.1.260.0040.00428.09
8.1.250.0000.00828.09
8.1.240.0030.00622.61
8.1.230.0040.00717.66
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.10
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.38
8.1.160.0040.00721.83
8.1.150.0000.00718.82
8.1.140.0030.00519.41
8.1.130.0000.00717.65
8.1.120.0080.00017.43
8.1.110.0040.00417.42
8.1.100.0000.00817.44
8.1.90.0000.00717.29
8.1.80.0000.00717.41
8.1.70.0000.00717.33
8.1.60.0030.00617.62
8.1.50.0030.00517.44
8.1.40.0080.00017.55
8.1.30.0000.00817.75
8.1.20.0030.00517.52
8.1.10.0100.00017.53
8.1.00.0030.00517.45
8.0.300.0000.00818.77
8.0.290.0070.00016.63
8.0.280.0030.00318.30
8.0.270.0080.00017.09
8.0.260.0040.00417.19
8.0.250.0000.00716.81
8.0.240.0030.00316.89
8.0.230.0040.00416.84
8.0.220.0030.00316.84
8.0.210.0030.00316.84
8.0.200.0050.00216.93
8.0.190.0040.00416.73
8.0.180.0080.00016.77
8.0.170.0040.00416.88
8.0.160.0000.00816.84
8.0.150.0050.00216.66
8.0.140.0030.00616.80
8.0.130.0050.00013.26
8.0.120.0030.00616.79
8.0.110.0050.00216.82
8.0.100.0000.00716.92
8.0.90.0000.00716.86
8.0.80.0070.01016.77
8.0.70.0040.00416.80
8.0.60.0040.00416.68
8.0.50.0030.00516.77
8.0.30.0060.01216.99
8.0.20.0090.00917.40
8.0.10.0030.00616.84
8.0.00.0080.00916.73
7.4.330.0000.00516.71
7.4.320.0000.00616.35
7.4.300.0030.00316.65
7.4.290.0030.00316.51
7.4.280.0000.00816.39
7.4.270.0000.00616.60
7.4.260.0030.00316.60
7.4.250.0050.00216.54
7.4.240.0040.00416.50
7.4.230.0030.00316.63
7.4.220.0180.00916.54
7.4.210.0000.01516.47
7.4.200.0000.00716.40
7.4.160.0130.00916.59
7.4.150.0070.01017.40
7.4.140.0110.00817.86
7.4.130.0060.01016.51
7.4.120.0120.00816.47
7.4.110.0060.01216.54
7.4.100.0120.01216.47
7.4.90.0110.00716.60
7.4.80.0090.00919.39
7.4.70.0130.00616.41
7.4.60.0030.01316.45
7.4.50.0000.01516.24
7.4.40.0060.01016.63
7.4.30.0080.00816.46
7.4.00.0030.01515.20
7.3.330.0000.00513.23
7.3.320.0000.00513.16
7.3.310.0030.00316.12
7.3.300.0030.00316.28
7.3.290.0060.00916.22
7.3.280.0070.01016.23
7.3.270.0080.00817.40
7.3.260.0140.00816.20
7.3.250.0080.01016.40
7.3.240.0120.00816.13
7.3.230.0130.00316.39
7.3.210.0090.00816.50
7.3.200.0070.01016.54
7.3.190.0100.00616.26
7.3.180.0120.00416.38
7.3.170.0120.01016.27
7.3.160.0030.01216.17
7.2.330.0140.00716.46
7.2.320.0070.01116.46
7.2.310.0100.00616.36
7.2.300.0100.00716.39
7.2.290.0100.01316.59
7.2.60.0040.01116.57
7.2.00.0070.00419.42
7.1.200.0090.00315.62
7.1.100.0030.01218.07
7.1.70.0060.00317.12
7.1.60.0090.01519.48
7.1.50.0130.00616.90
7.1.00.0000.08022.28
7.0.200.0240.01014.68
7.0.60.0130.07319.88
7.0.50.0030.03717.79
7.0.40.0030.04720.10
7.0.30.0200.05020.34
7.0.20.0270.06320.22
7.0.10.0100.08320.16
7.0.00.0270.02720.09
5.6.280.0100.06720.78
5.6.210.0100.08020.75
5.6.200.0070.04018.16
5.6.190.0170.07720.55
5.6.180.0430.05020.61
5.6.170.0270.07320.51
5.6.160.0030.08320.50
5.6.150.0100.03718.25
5.6.140.0100.07018.18
5.6.130.0070.03718.14
5.6.120.0100.07721.05
5.6.110.0070.08721.02
5.6.100.0130.07720.99
5.6.90.0030.04020.96
5.6.80.0130.07320.53
5.5.350.4330.04020.30
5.5.340.0100.04317.97
5.5.330.0130.07320.41
5.5.320.0100.04720.51
5.5.310.0130.05320.34
5.5.300.0130.07317.99
5.5.290.0130.07717.92
5.5.280.0030.05020.77
5.5.270.0000.06020.68
5.5.260.0130.08020.65
5.5.250.0030.04020.69
5.5.240.0230.07720.26

preferences:
51.39 ms | 401 KiB | 5 Q