3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { abstract public function foo(A $a): A; } class B extends A { public function foo(A $a): B { } }

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)
8.3.40.0140.00318.64
8.3.30.0060.00818.42
8.3.20.0080.00021.97
8.3.10.0070.00021.80
8.3.00.0050.00320.91
8.2.170.0140.00022.96
8.2.160.0100.00722.09
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00422.26
8.2.120.0070.00026.35
8.2.110.0030.00620.52
8.2.100.0080.00417.72
8.2.90.0040.00419.07
8.2.80.0040.00417.97
8.2.70.0000.00817.25
8.2.60.0040.00417.80
8.2.50.0030.00518.10
8.2.40.0040.00422.23
8.2.30.0000.00720.81
8.2.20.0050.00217.80
8.2.10.0040.00417.97
8.2.00.0070.00017.82
8.1.270.0040.00422.06
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00522.52
8.1.230.0040.00819.16
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0100.00017.11
8.1.190.0030.00617.00
8.1.180.0060.00318.10
8.1.170.0050.00318.63
8.1.160.0000.00818.93
8.1.150.0000.00718.79
8.1.140.0060.00319.44
8.1.130.0040.00418.71
8.1.120.0070.00017.35
8.1.110.0000.00717.34
8.1.100.0020.00517.31
8.1.90.0040.00417.20
8.1.80.0030.00517.37
8.1.70.0070.00017.22
8.1.60.0000.00917.48
8.1.50.0000.00717.27
8.1.40.0060.00317.26
8.1.30.0040.00417.48
8.1.20.0040.00417.39
8.1.10.0060.00317.38
8.1.00.0050.00317.20
8.0.300.0000.00718.77
8.0.290.0030.00716.58
8.0.280.0000.00718.20
8.0.270.0030.00317.11
8.0.260.0000.00616.66
8.0.250.0000.00616.84
8.0.240.0070.00016.71
8.0.230.0000.00616.84
8.0.220.0000.00616.74
8.0.210.0040.00416.69
8.0.200.0030.00316.77
8.0.190.0040.00716.79
8.0.180.0040.00416.75
8.0.170.0000.00716.80
8.0.160.0030.00516.86
8.0.150.0000.00716.60
8.0.140.0090.00016.67
8.0.130.0000.00613.20
8.0.120.0050.00216.75
8.0.110.0000.00816.65
8.0.100.0040.00416.69
8.0.90.0000.00716.57
8.0.80.0100.00616.82
8.0.70.0000.00816.75
8.0.60.0000.00816.82
8.0.50.0050.00316.69
8.0.30.0090.01116.85
8.0.20.0160.01717.40
8.0.10.0080.00016.70
8.0.00.0090.01016.71
7.4.330.0050.00015.55
7.4.320.0000.00616.26
7.4.300.0000.00616.41
7.4.290.0080.00016.50
7.4.280.0040.00416.41
7.4.270.0000.00816.47
7.4.260.0060.00013.08
7.4.250.0070.00016.43
7.4.240.0050.00316.27
7.4.230.0030.00316.34
7.4.220.0070.01116.46
7.4.210.0060.01516.48
7.4.200.0000.00716.39
7.4.160.0120.00416.40
7.4.150.0090.00917.40
7.4.140.0090.01117.86
7.4.130.0090.01316.36
7.4.120.0120.00616.41
7.4.110.0140.00316.41
7.4.100.0100.01216.21
7.4.90.0100.00716.34
7.4.80.0040.01319.39
7.4.70.0040.01216.43
7.4.60.0170.00016.23
7.4.50.0070.00716.43
7.4.40.0110.00516.16
7.4.30.0120.00616.30
7.4.00.0060.01015.05
7.3.330.0030.00213.17
7.3.320.0030.00313.26
7.3.310.0040.00416.10
7.3.300.0030.00316.10
7.3.290.0090.00716.21
7.3.280.0100.00716.21
7.3.270.0130.00617.40
7.3.260.0220.02016.22
7.3.250.0120.00516.27
7.3.240.0120.00816.24
7.3.230.0100.00716.25
7.3.210.0040.01216.37
7.3.200.0130.00316.29
7.3.190.0100.00616.43
7.3.180.0060.01316.21
7.3.170.0090.00816.36
7.3.160.0120.00316.25
7.3.120.0000.01514.61
7.3.110.0070.01114.71
7.3.100.0000.01614.77
7.3.90.0060.00614.92
7.3.80.0080.00314.82
7.3.70.0040.00814.34
7.3.60.0080.00314.79
7.3.50.0060.00614.77
7.3.40.0060.00614.45
7.3.30.0070.01014.54
7.3.20.0090.00916.63
7.3.10.0030.01416.54
7.3.00.0040.00916.75
7.2.330.0080.00816.36
7.2.320.0100.01016.44
7.2.310.0100.01016.36
7.2.300.0040.01416.44
7.2.290.0120.00616.23
7.2.250.0030.01614.70
7.2.240.0070.00714.68
7.2.230.0100.00314.80
7.2.220.0060.00914.84
7.2.210.0070.01114.96
7.2.200.0090.00314.45
7.2.190.0060.00314.70
7.2.180.0060.00614.64
7.2.170.0030.00614.55
7.2.160.0030.00714.86
7.2.150.0070.00716.75
7.2.140.0120.00316.53
7.2.130.0090.00316.70
7.2.120.0060.01316.62
7.2.110.0030.00916.95
7.2.100.0030.01316.67
7.2.90.0080.00816.71
7.2.80.0090.00316.68
7.2.70.0060.00916.33
7.2.60.0030.00916.70
7.2.50.0070.01016.91
7.2.40.0090.00616.88
7.2.30.0040.01416.57
7.2.20.0000.01416.67
7.2.10.0060.00616.74
7.2.00.0110.00316.64
7.1.330.0070.01015.86
7.1.320.0040.01115.64
7.1.310.0060.00915.51
7.1.300.0060.00615.36
7.1.290.0000.01115.55
7.1.280.0120.00315.71
7.1.270.0070.00415.31
7.1.260.0090.00315.34
7.1.250.0080.00415.46
7.1.240.0070.01015.51
7.1.230.0080.00815.48
7.1.220.0100.00715.52
7.1.210.0080.00315.39
7.1.200.0070.01015.22
7.1.190.0090.00315.30
7.1.180.0060.00915.46
7.1.170.0000.00915.62
7.1.160.0110.00315.31
7.1.150.0030.00715.57
7.1.140.0120.00015.71
7.1.130.0070.00315.55
7.1.120.0060.00915.43
7.1.110.0060.00915.74
7.1.100.0080.00815.18
7.1.90.0030.01015.32
7.1.80.0060.00615.69
7.1.70.0080.00415.65
7.1.60.0080.01224.17
7.1.50.0300.00824.31
7.1.40.0250.00924.04
7.1.30.0220.01124.05
7.1.20.0280.00824.12
7.1.10.0280.00314.95
7.1.00.0560.00615.10
7.0.330.0090.00615.24
7.0.320.0070.00315.27
7.0.310.0060.01014.94
7.0.300.0000.01015.33
7.0.290.0050.00515.26
7.0.280.0030.00715.15
7.0.270.0100.00315.04
7.0.260.0040.00415.23
7.0.250.0000.01115.27
7.0.240.0100.00315.39
7.0.230.0000.01415.49
7.0.220.0060.00315.25
7.0.210.0030.00715.37
7.0.200.0220.00815.02
7.0.190.0270.00815.00
7.0.180.0200.00414.82
7.0.170.0180.00814.64
7.0.160.0180.00914.69
7.0.150.0230.00614.84
7.0.140.0250.01014.74
7.0.130.0150.01214.98
7.0.120.0220.00614.84
7.0.110.0220.00514.79
7.0.100.0120.00814.74
7.0.90.0200.00614.79
7.0.80.0250.00414.90
7.0.70.0220.00714.79
7.0.60.0180.00814.67
7.0.50.0200.00914.70
7.0.40.0230.00513.82
7.0.30.0210.00614.03
7.0.20.0100.01013.93
7.0.10.0030.00813.94
7.0.00.0230.00613.89
5.6.400.0060.00614.34
5.6.390.0040.01114.19
5.6.380.0070.00714.08
5.6.370.0070.01114.25
5.6.360.0080.00514.39
5.6.350.0070.00714.34
5.6.340.0030.01013.88
5.6.330.0080.00314.36
5.6.320.0030.00713.93
5.6.310.0030.00514.23
5.6.300.0030.00713.90
5.6.290.0030.01014.35
5.6.280.0000.00914.03
5.6.270.0070.01014.15
5.6.260.0000.01214.43
5.6.250.0060.00813.93
5.6.240.0080.00014.09
5.6.230.0060.00614.18
5.6.220.0080.00614.25
5.6.210.0160.00014.04
5.6.200.0120.00014.13
5.6.190.0040.01113.97
5.6.180.0030.00914.13
5.6.170.0100.00614.07
5.6.160.0080.00314.23
5.6.150.0100.00314.25
5.6.140.0030.01014.04
5.6.130.0100.00314.16
5.6.120.0040.00714.03
5.6.110.0030.01314.16
5.6.100.0030.01313.95
5.6.90.0140.00414.23
5.6.80.0060.00913.92
5.6.70.0100.00314.13
5.6.60.0040.00714.28
5.6.50.0030.00914.01
5.6.40.0060.00613.99
5.6.30.0030.01014.20
5.6.20.0140.00014.27
5.6.10.0030.01014.17
5.6.00.0030.00514.19

preferences:
32.68 ms | 400 KiB | 5 Q