3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo() : ?A { } } $a = new A; $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)
8.3.60.0140.00316.75
8.3.50.0170.00316.45
8.3.40.0040.01118.59
8.3.30.0170.00318.87
8.3.20.0000.00720.21
8.3.10.0040.00423.70
8.3.00.0040.00423.48
8.2.180.0080.00816.88
8.2.170.0070.00722.96
8.2.160.0090.00420.35
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0060.00321.18
8.2.120.0060.00326.35
8.2.110.0030.00622.13
8.2.100.0090.00317.80
8.2.90.0050.00319.18
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0040.00418.03
8.2.50.0060.00318.07
8.2.40.0090.00320.66
8.2.30.0000.00719.25
8.2.20.0030.00617.66
8.2.10.0070.00017.87
8.2.00.0000.00717.91
8.1.270.0130.00718.83
8.1.260.0090.00028.09
8.1.250.0090.00028.09
8.1.240.0030.00622.42
8.1.230.0040.00719.14
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.25
8.1.180.0030.00618.10
8.1.170.0000.00818.48
8.1.160.0070.00020.69
8.1.150.0040.00418.69
8.1.140.0070.00319.42
8.1.130.0080.00217.50
8.1.120.0000.00717.29
8.1.110.0000.00717.34
8.1.100.0070.00017.38
8.1.90.0080.00017.40
8.1.80.0080.00017.26
8.1.70.0000.00717.32
8.1.60.0000.00917.46
8.1.50.0080.00017.39
8.1.40.0050.00317.49
8.1.30.0040.00417.67
8.1.20.0070.00017.51
8.1.10.0000.00717.59
8.1.00.0000.00817.48
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.37
8.0.270.0070.00017.10
8.0.260.0000.00617.12
8.0.250.0030.00316.94
8.0.240.0050.00316.86
8.0.230.0000.00716.84
8.0.220.0070.00016.78
8.0.210.0030.00316.88
8.0.200.0060.00016.94
8.0.190.0050.00516.82
8.0.180.0040.00416.93
8.0.170.0030.00516.81
8.0.160.0070.00016.86
8.0.150.0030.00416.83
8.0.140.0120.00016.80
8.0.130.0060.00013.27
8.0.120.0040.00416.82
8.0.110.0000.00716.90
8.0.100.0070.00016.72
8.0.90.0000.00816.87
8.0.80.0040.01316.93
8.0.70.0050.00316.84
8.0.60.0070.00016.78
8.0.50.0030.00516.75
8.0.30.0110.00717.00
8.0.20.0120.00817.40
8.0.10.0070.00016.96
8.0.00.0110.00816.84
7.4.330.0000.00516.69
7.4.320.0030.00316.33
7.4.300.0030.00516.39
7.4.290.0000.00716.50
7.4.280.0000.00916.48
7.4.270.0000.00716.60
7.4.260.0040.00416.60
7.4.250.0000.00816.57
7.4.240.0050.00216.51
7.4.230.0000.00716.24
7.4.220.0120.00916.64
7.4.210.0030.01216.54
7.4.200.0040.00416.57
7.4.160.0130.00316.47
7.4.150.0150.00417.40
7.4.140.0130.01017.86
7.4.130.0100.01016.55
7.4.120.0130.00816.41
7.4.110.0100.01316.49
7.4.100.0090.00616.79
7.4.90.0150.00316.61
7.4.80.0140.00519.39
7.4.70.0070.01016.34
7.4.60.0060.01516.55
7.4.50.0060.00916.59
7.4.40.0110.00616.29
7.4.30.0040.01716.63
7.3.330.0050.00013.37
7.3.320.0050.00013.38
7.3.310.0030.00316.38
7.3.300.0030.00316.27
7.3.290.0030.00316.27
7.3.280.0050.00916.36
7.3.270.0030.01417.40
7.3.260.0030.01416.62
7.3.240.0150.00416.51
7.3.230.0070.01016.39
7.3.210.0090.00616.36
7.3.200.0140.00319.39
7.3.190.0080.00816.49
7.3.180.0000.01516.49
7.3.170.0130.00316.57
7.3.160.0000.01616.41
7.2.330.0090.00916.60
7.2.320.0140.00416.28
7.2.310.0100.00516.62
7.2.300.0100.01016.68
7.2.290.0100.00716.53
7.0.10.0030.09020.19
7.0.00.0070.08020.16
5.6.160.0000.04720.39
5.6.150.0100.06718.19
5.6.140.0030.04018.15
5.6.130.0130.07318.13
5.6.120.0130.04021.01
5.6.110.0130.07020.87
5.6.100.0000.09720.98
5.6.90.0030.04320.98
5.6.80.0100.08320.38
5.5.300.0070.08717.99
5.5.290.0130.05717.94
5.5.280.0030.09320.77
5.5.270.0030.05020.76
5.5.260.0000.06020.79
5.5.250.0070.08020.68
5.5.240.0230.05020.16

preferences:
54.27 ms | 400 KiB | 5 Q