3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A0 { public function __toString() { return 'a0'; } }; class A1 extends A0 { public function __toString() { return 'a1'; } }; $a = function ($a) : A0 {return $a;}; echo '' . $a((new A0())), '' . $a((new A1())), '' . $a(null);;

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)
8.3.60.0120.00916.63
8.3.50.0070.01018.30
8.3.40.0090.00618.98
8.3.30.0000.01418.88
8.3.20.0000.00720.02
8.3.10.0080.00020.57
8.3.00.0060.00323.49
8.2.180.0090.00616.88
8.2.170.0070.00722.96
8.2.160.0000.01422.26
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0070.00020.75
8.2.120.0040.00426.35
8.2.110.0100.00019.27
8.2.100.0000.01117.97
8.2.90.0030.00619.40
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0030.00618.05
8.2.50.0090.00018.09
8.2.40.0040.00420.34
8.2.30.0040.00419.37
8.2.20.0080.00017.75
8.2.10.0030.00518.13
8.2.00.0040.00418.07
8.1.280.0140.00325.92
8.1.270.0090.00922.06
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0140.00320.98
8.1.230.0090.00317.42
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.38
8.1.190.0040.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0040.00420.73
8.1.150.0040.00418.90
8.1.140.0050.00319.70
8.1.130.0000.00717.63
8.1.120.0000.00717.49
8.1.110.0030.00617.52
8.1.100.0040.00417.40
8.1.90.0000.00717.47
8.1.80.0030.00517.32
8.1.70.0000.00717.52
8.1.60.0000.00717.51
8.1.50.0060.00317.38
8.1.40.0040.00417.40
8.1.30.0030.00517.70
8.1.20.0000.00817.52
8.1.10.0050.00317.60
8.1.00.0030.00617.53
8.0.300.0080.00018.77
8.0.290.0020.00516.63
8.0.280.0000.00718.45
8.0.270.0040.00417.22
8.0.260.0000.00817.25
8.0.250.0030.00316.95
8.0.240.0040.00417.06
8.0.230.0040.00417.05
8.0.220.0070.00016.94
8.0.210.0030.00316.94
8.0.200.0000.00816.98
8.0.190.0030.00517.07
8.0.180.0040.00416.98
8.0.170.0000.00817.04
8.0.160.0040.00416.85
8.0.150.0000.00816.95
8.0.140.0040.00816.93
8.0.130.0000.00513.42
8.0.120.0040.00416.87
8.0.110.0080.00016.89
8.0.100.0000.00716.78
8.0.90.0000.00816.96
8.0.80.0070.00717.00
8.0.70.0040.00416.74
8.0.60.0000.00716.95
8.0.50.0050.00216.75
8.0.30.0060.01317.06
8.0.20.0130.00617.40
8.0.10.0040.00416.88
8.0.00.0080.01116.77
7.4.330.0020.00216.82
7.4.320.0080.00016.37
7.4.300.0070.00016.66
7.4.290.0070.00016.52
7.4.280.0020.00516.45
7.4.270.0070.00016.63
7.4.260.0070.00016.47
7.4.250.0070.00016.32
7.4.240.0040.00416.59
7.4.230.0030.00316.38
7.4.220.0030.01516.45
7.4.210.0080.00816.61
7.4.200.0030.00316.55
7.4.160.0090.00616.46
7.4.150.0160.00317.40
7.4.140.0120.01017.86
7.4.130.0110.01016.54
7.4.120.0110.00716.48
7.4.110.0070.01016.33
7.4.100.0100.01316.63
7.4.90.0070.01016.71
7.4.80.0100.00619.39
7.4.70.0080.00816.58
7.4.60.0110.00716.57
7.4.50.0070.01116.57
7.4.40.0120.00616.58
7.4.30.0110.00716.57
7.4.00.0070.01015.17
7.3.330.0000.00613.23
7.3.320.0050.00013.23
7.3.310.0030.00316.39
7.3.300.0000.00716.38
7.3.290.0060.01016.35
7.3.280.0110.00716.40
7.3.270.0090.00917.40
7.3.260.0180.00616.70
7.3.250.0130.00516.38
7.3.240.0100.00616.46
7.3.230.0100.00716.45
7.3.210.0090.00916.46
7.3.200.0030.01316.47
7.3.190.0070.01016.61
7.3.180.0100.00716.59
7.3.170.0160.00716.39
7.3.160.0030.01316.38
7.2.330.0100.00716.78
7.2.320.0100.01316.85
7.2.310.0100.00716.79
7.2.300.0030.01316.70
7.2.290.0070.01316.84
7.2.60.0030.01316.84
7.2.00.0150.00819.20
7.1.200.0040.00415.71
7.1.100.0110.00518.02
7.1.70.0030.01217.24
7.1.60.0130.01019.40
7.1.50.0100.01316.97
7.1.00.0000.08022.57
7.0.200.0320.00714.68
7.0.60.0200.08721.88
7.0.50.0070.04017.84
7.0.40.0170.07720.25
7.0.30.0400.07720.29
7.0.20.0300.06720.07
7.0.10.0070.08720.12
7.0.00.0100.05320.25
5.6.210.0100.08020.77
5.6.200.0030.08718.29
5.6.190.0100.06020.34
5.6.180.0330.07720.77
5.6.170.0330.07320.55
5.6.160.0030.06320.47
5.6.150.0070.08018.25
5.6.140.0070.05018.29
5.6.130.0030.04018.29
5.6.120.0000.04720.97
5.6.110.0070.07721.10
5.6.100.0270.03021.00
5.6.90.0170.07720.96
5.6.80.0030.04320.40
5.5.350.0130.04720.47
5.5.340.0130.06717.99
5.5.330.0130.08020.43
5.5.320.0630.06020.28
5.5.310.0330.06720.30
5.5.300.0030.05318.05
5.5.290.0130.07317.95
5.5.280.0070.03720.90
5.5.270.0130.06320.77
5.5.260.0070.04320.77
5.5.250.0070.09020.55
5.5.240.0430.06020.04

preferences:
52.65 ms | 401 KiB | 5 Q