3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo() : A { return new self; } } $a = new A; $a->foo(); echo 'a';

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)
8.3.60.0130.00316.75
8.3.50.0170.00521.25
8.3.40.0040.01118.71
8.3.30.0030.01218.55
8.3.20.0050.00320.08
8.3.10.0040.00423.59
8.3.00.0030.00523.28
8.2.180.0200.00016.37
8.2.170.0040.01122.96
8.2.160.0040.01120.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0090.00920.94
8.2.120.0000.00826.35
8.2.110.0060.00322.24
8.2.100.0110.00017.93
8.2.90.0050.00319.17
8.2.80.0040.00418.16
8.2.70.0090.00017.48
8.2.60.0060.00317.97
8.2.50.0040.00418.07
8.2.40.0080.00222.13
8.2.30.0040.00419.27
8.2.20.0050.00217.60
8.2.10.0040.00418.04
8.2.00.0000.00817.98
8.1.280.0130.00725.92
8.1.270.0030.01618.87
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0060.00322.61
8.1.230.0070.00319.11
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.00817.23
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0040.00418.60
8.1.160.0000.00720.60
8.1.150.0040.00418.80
8.1.140.0090.00019.38
8.1.130.0030.00517.69
8.1.120.0040.00417.27
8.1.110.0040.00417.25
8.1.100.0040.00417.37
8.1.90.0040.00417.46
8.1.80.0040.00417.31
8.1.70.0020.00517.42
8.1.60.0030.00517.54
8.1.50.0040.00417.54
8.1.40.0040.00417.47
8.1.30.0000.00817.48
8.1.20.0040.00417.55
8.1.10.0050.00317.48
8.1.00.0000.00817.34
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.35
8.0.270.0050.00317.23
8.0.260.0000.00717.19
8.0.250.0030.00316.85
8.0.240.0000.00816.90
8.0.230.0030.00316.81
8.0.220.0030.00316.79
8.0.210.0070.00016.86
8.0.200.0030.00316.88
8.0.190.0110.00016.86
8.0.180.0040.00416.80
8.0.170.0040.00416.75
8.0.160.0030.00516.86
8.0.150.0020.00516.62
8.0.140.0100.00016.67
8.0.130.0000.00613.32
8.0.120.0030.00516.83
8.0.110.0040.00416.85
8.0.100.0050.00216.93
8.0.90.0000.00716.64
8.0.80.0030.01316.79
8.0.70.0000.00716.79
8.0.60.0070.00016.93
8.0.50.0000.00716.67
8.0.30.0090.00916.99
8.0.20.0100.00917.40
8.0.10.0040.00416.78
8.0.00.0080.01216.74
7.4.330.0000.00516.71
7.4.320.0000.00716.46
7.4.300.0050.00316.50
7.4.290.0070.00016.47
7.4.280.0080.00016.47
7.4.270.0070.00016.61
7.4.260.0030.00316.41
7.4.250.0040.00416.53
7.4.240.0050.00216.49
7.4.230.0070.00016.59
7.4.220.0160.01016.69
7.4.210.0090.00516.47
7.4.200.0030.00316.70
7.4.160.0130.01016.60
7.4.150.0140.00317.40
7.4.140.0070.01517.86
7.4.130.0150.00416.43
7.4.120.0090.00816.45
7.4.110.0180.00416.49
7.4.100.0150.00616.41
7.4.90.0150.00616.48
7.4.80.0070.01019.39
7.4.70.0100.00716.73
7.4.60.0130.00316.39
7.4.50.0070.01116.53
7.4.40.0100.00716.52
7.4.30.0090.01216.52
7.4.00.0100.00714.93
7.3.330.0020.00213.10
7.3.320.0060.00013.03
7.3.310.0030.00316.06
7.3.300.0040.00416.20
7.3.290.0040.00416.10
7.3.280.0090.00716.20
7.3.270.0150.00317.40
7.3.260.0090.00916.45
7.3.240.0110.00816.41
7.3.230.0100.00716.39
7.3.210.0090.00616.22
7.3.200.0070.01019.39
7.3.190.0110.01016.40
7.3.180.0120.00316.15
7.3.170.0140.00316.31
7.3.160.0100.00716.18
7.2.330.0100.01016.40
7.2.320.0090.00916.65
7.2.310.0080.00816.61
7.2.300.0110.01116.27
7.2.290.0130.00316.50
7.2.60.0060.00616.84
7.1.200.0070.00715.49
7.1.100.0000.01118.18
7.1.70.0000.00816.70
7.1.60.0100.01019.27
7.1.50.0170.00316.93
7.1.00.0070.07322.45
7.0.200.0000.00716.75
7.0.60.0170.08021.82
7.0.50.0170.07017.86
7.0.40.0070.04320.16
7.0.30.0200.05020.21
7.0.20.0330.04020.20
7.0.10.0100.07320.13
7.0.00.0000.04720.39
5.6.280.0030.03020.90
5.6.210.0130.07320.61
5.6.200.0030.09018.16
5.6.190.0130.08020.33
5.6.180.0430.07320.61
5.6.170.0030.05320.48
5.6.160.0100.04020.62
5.6.150.0030.06718.18
5.6.140.0070.04018.20
5.6.130.0100.07318.17
5.6.120.0070.08320.90
5.6.110.0130.06320.96
5.6.100.0130.07720.98
5.6.90.0100.08021.00
5.6.80.0030.06720.42
5.5.350.0100.08020.46
5.5.340.0070.04017.99
5.5.330.0070.04020.35
5.5.320.0600.03020.53
5.5.310.0330.07020.27
5.5.300.0070.06017.92
5.5.290.0070.08017.92
5.5.280.0070.07320.88
5.5.270.0100.05020.80
5.5.260.0070.08720.86
5.5.250.0100.08020.55
5.5.240.0100.05020.26

preferences:
42.84 ms | 401 KiB | 5 Q