3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface IA { public function compare(self $x); } interface IAChild extends IA {} class A implements IA { public function compare(IA $x) {} } class AA implements IAChild { public function compare(IAChild $x){} } $a = new A; $aa = new AA; $a->compare($a); $a->compare($aa);

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)
8.3.60.0090.00918.40
8.3.50.0120.00319.84
8.3.40.0120.00318.89
8.3.30.0110.00318.44
8.3.20.0070.00020.19
8.3.10.0080.00020.53
8.3.00.0000.00820.21
8.2.180.0140.00718.29
8.2.170.0110.00422.96
8.2.160.0070.00722.05
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00420.55
8.2.120.0000.00826.35
8.2.110.0090.00021.00
8.2.100.0080.00317.93
8.2.90.0000.00819.22
8.2.80.0030.00517.97
8.2.70.0000.00917.38
8.2.60.0080.00017.89
8.2.50.0040.00418.09
8.2.40.0040.00420.64
8.2.30.0000.00819.40
8.2.20.0000.00817.64
8.2.10.0000.00718.06
8.2.00.0040.00418.06
8.1.280.0110.00425.92
8.1.270.0070.00723.71
8.1.260.0030.00528.09
8.1.250.0130.00328.09
8.1.240.0040.01017.36
8.1.230.0040.00817.70
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0070.00317.00
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0040.00420.59
8.1.150.0070.00018.76
8.1.140.0000.00819.52
8.1.130.0040.00419.15
8.1.120.0000.00817.46
8.1.110.0000.00717.29
8.1.100.0000.00817.38
8.1.90.0000.00717.45
8.1.80.0090.00017.30
8.1.70.0060.00317.37
8.1.60.0030.00617.44
8.1.50.0050.00317.49
8.1.40.0050.00317.47
8.1.30.0050.00317.49
8.1.20.0000.00717.43
8.1.10.0020.00517.33
8.1.00.0030.00617.33
8.0.300.0000.00718.77
8.0.290.0030.00616.75
8.0.280.0050.00218.47
8.0.270.0030.00317.13
8.0.260.0000.00716.86
8.0.250.0000.00716.97
8.0.240.0000.00716.86
8.0.230.0030.00316.95
8.0.220.0050.00316.89
8.0.210.0030.00516.79
8.0.200.0000.00716.99
8.0.190.0040.00416.86
8.0.180.0040.00416.93
8.0.170.0000.00916.88
8.0.160.0040.00416.75
8.0.150.0070.00016.86
8.0.140.0050.00316.76
8.0.130.0000.00513.31
8.0.120.0070.00016.87
8.0.110.0030.00516.94
8.0.100.0000.00816.89
8.0.90.0000.00716.93
8.0.80.0100.00716.89
8.0.70.0080.00016.96
8.0.60.0080.00016.76
8.0.50.0040.00416.75
8.0.30.0110.00517.05
8.0.20.0110.00717.40
8.0.10.0080.00017.13
8.0.00.0110.00816.87
7.4.330.0000.00516.85
7.4.320.0030.00316.54
7.4.300.0070.00016.54
7.4.290.0000.00716.49
7.4.280.0050.00316.55
7.4.270.0030.00316.46
7.4.260.0000.00716.43
7.4.250.0000.00716.49
7.4.240.0050.00216.49
7.4.230.0030.00316.31
7.4.220.0090.00916.51
7.4.210.0080.00816.52
7.4.200.0080.00016.58
7.4.160.0120.00416.55
7.4.150.0210.00017.40
7.4.140.0100.01017.86
7.4.130.0090.00916.39
7.4.120.0130.00316.44
7.4.110.0130.00316.36
7.4.100.0100.00716.43
7.4.90.0110.00616.47
7.4.80.0080.01119.39
7.4.70.0060.01016.32
7.4.60.0040.01216.40
7.4.50.0100.00716.23
7.4.40.0080.00816.30
7.4.30.0130.00316.51
7.4.00.0030.01514.93
7.3.330.0060.00013.05
7.3.320.0060.00013.23
7.3.310.0030.00316.22
7.3.300.0040.00416.09
7.3.290.0000.00716.15
7.3.280.0100.01016.25
7.3.270.0130.00417.40
7.3.260.0070.01016.33
7.3.250.0130.00616.18
7.3.240.0100.01016.30
7.3.230.0040.01516.39
7.3.210.0040.01516.21
7.3.200.0100.00616.43
7.3.190.0080.01116.32
7.3.180.0120.00916.44
7.3.170.0060.01116.39
7.3.160.0090.00616.42
7.3.10.0070.00316.41
7.3.00.0040.00716.63
7.2.330.0140.00416.59
7.2.320.0060.01216.51
7.2.310.0140.00316.61
7.2.300.0080.00916.47
7.2.290.0120.00516.52
7.2.130.0050.00516.73
7.2.120.0060.00916.73
7.2.110.0110.00616.54
7.2.100.0000.01516.82
7.2.90.0060.00616.80
7.2.80.0080.00416.46
7.2.70.0100.00716.70
7.2.60.0000.01516.63
7.2.50.0070.00716.93
7.2.40.0060.00316.88
7.2.30.0040.01116.75
7.2.20.0000.01216.54
7.2.10.0060.00316.71
7.2.00.0110.00318.13
7.1.250.0070.00715.75
7.1.200.0100.00315.36
7.1.100.0000.01217.96
7.1.70.0000.00717.04
7.1.60.0120.01219.25
7.1.50.0070.01716.52
7.1.00.0070.07022.49
7.0.200.0470.00914.52
7.0.60.0170.05021.75
7.0.50.0100.08017.86
7.0.40.0000.09020.40
7.0.30.0230.05720.20
7.0.20.0370.07020.25
7.0.10.0070.06320.33
7.0.00.0070.09020.24
5.6.280.0100.06320.82
5.6.210.0070.08020.53
5.6.200.0000.05318.18
5.6.190.0100.08320.39
5.6.180.0200.04320.50
5.6.170.0270.04020.48
5.6.160.0100.07720.61
5.6.150.0030.08318.22
5.6.140.0070.05318.13
5.6.130.0070.07018.14
5.6.120.0030.05321.04
5.6.110.0070.05321.05
5.6.100.0070.04021.00
5.6.90.0070.07020.88
5.6.80.0100.07720.38
5.5.350.0270.08020.44
5.5.340.0070.08018.05
5.5.330.0100.03720.40
5.5.320.0170.04320.34
5.5.310.0370.06720.24
5.5.300.0030.04318.05
5.5.290.0000.08717.95
5.5.280.0000.05020.96
5.5.270.0100.03720.88
5.5.260.0130.04320.68
5.5.250.0130.06320.70
5.5.240.0400.06720.20

preferences:
76.7 ms | 400 KiB | 5 Q