3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X {} class Y extends X {} class A { function f(Y &$y) {} } class B extends A { function f(X &$x) {} }

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)
8.3.60.0070.01116.75
8.3.50.0150.00521.15
8.3.40.0060.01218.41
8.3.30.0100.00318.59
8.3.20.0080.00020.27
8.3.10.0030.00623.53
8.3.00.0100.00021.60
8.2.180.0110.00418.04
8.2.170.0150.00022.96
8.2.160.0110.00420.27
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0000.00820.91
8.2.120.0080.00026.35
8.2.110.0060.00319.09
8.2.100.0090.00317.80
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00822.27
8.2.30.0070.00019.31
8.2.20.0080.00017.46
8.2.10.0050.00317.83
8.2.00.0000.00717.94
8.1.280.0110.00425.92
8.1.270.0110.00322.05
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0090.00022.81
8.1.230.0000.01017.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0070.00317.09
8.1.190.0000.00817.10
8.1.180.0030.00518.10
8.1.170.0000.00818.66
8.1.160.0040.00420.57
8.1.150.0040.00420.61
8.1.140.0080.00019.49
8.1.130.0000.00717.57
8.1.120.0030.00317.36
8.1.110.0040.00417.34
8.1.100.0080.00017.32
8.1.90.0000.00817.36
8.1.80.0030.00517.34
8.1.70.0030.00317.39
8.1.60.0090.00017.36
8.1.50.0000.00817.39
8.1.40.0000.00817.37
8.1.30.0030.00517.47
8.1.20.0030.00517.54
8.1.10.0080.00017.38
8.1.00.0040.00417.29
8.0.300.0040.00418.77
8.0.290.0050.00216.58
8.0.280.0070.00018.31
8.0.270.0000.00717.04
8.0.260.0070.00017.02
8.0.250.0000.00716.70
8.0.240.0080.00016.86
8.0.230.0070.00016.84
8.0.220.0040.00416.75
8.0.210.0040.00416.69
8.0.200.0000.00816.81
8.0.190.0000.00916.73
8.0.180.0070.00016.68
8.0.170.0040.00416.79
8.0.160.0000.00916.83
8.0.150.0000.00716.66
8.0.140.0000.00716.54
8.0.130.0000.00613.18
8.0.120.0000.00716.66
8.0.110.0000.00716.58
8.0.100.0000.00716.73
8.0.90.0000.00716.56
8.0.80.0100.00716.68
8.0.70.0030.00616.62
8.0.60.0080.00016.66
8.0.50.0040.00316.63
8.0.30.0110.00717.01
8.0.20.0120.00817.40
8.0.10.0000.00716.74
8.0.00.0110.00916.67
7.4.330.0050.00016.67
7.4.320.0040.00416.37
7.4.300.0030.00316.27
7.4.290.0000.00716.39
7.4.280.0040.00416.29
7.4.270.0030.00316.48
7.4.260.0080.00016.32
7.4.250.0000.00716.34
7.4.240.0030.00316.40
7.4.230.0000.00716.37
7.4.220.0160.01016.37
7.4.210.0080.00716.36
7.4.200.0080.00016.58
7.4.160.0100.00616.33
7.4.150.0070.01117.40
7.4.140.0110.00817.86
7.4.130.0070.01016.44
7.4.120.0080.00916.40
7.4.110.0150.00316.36
7.4.100.0080.00916.39
7.4.90.0180.00716.45
7.4.80.0100.00719.39
7.4.70.0170.00316.46
7.4.60.0110.00616.34
7.4.50.0070.00716.03
7.4.40.0100.00616.41
7.4.30.0080.00816.45
7.4.00.0060.01015.04
7.3.330.0060.00013.07
7.3.320.0030.00313.23
7.3.310.0070.00016.27
7.3.300.0000.00716.27
7.3.290.0030.00316.25
7.3.280.0090.00816.23
7.3.270.0120.00617.40
7.3.260.0030.01516.27
7.3.250.0110.00716.29
7.3.240.0120.00616.31
7.3.230.0070.01516.39
7.3.210.0050.01116.26
7.3.200.0070.01519.39
7.3.190.0140.00316.25
7.3.180.0110.00716.13
7.3.170.0090.01216.27
7.3.160.0060.00916.45
7.3.10.0050.00516.64
7.3.00.0080.00416.54
7.2.330.0120.01216.33
7.2.320.0140.00316.23
7.2.310.0160.00416.48
7.2.300.0110.00516.52
7.2.290.0000.01616.28
7.2.130.0030.00716.38
7.2.120.0030.01016.61
7.2.110.0070.00716.92
7.2.100.0060.00616.67
7.2.90.0060.00616.81
7.2.80.0040.01216.70
7.2.70.0080.00816.23
7.2.60.0040.00916.73
7.2.50.0040.01216.71
7.2.40.0070.00716.62
7.2.30.0030.01016.61
7.2.20.0000.01216.53
7.2.10.0030.01016.80
7.2.00.0020.01317.69
7.1.250.0060.00615.54
7.1.200.0030.00915.65
7.1.100.0030.01017.70
7.1.70.0000.00917.01
7.1.60.0090.01619.40
7.1.50.0110.01116.60
7.1.00.0000.08022.40
7.0.200.0530.00714.62
7.0.60.0170.08321.74
7.0.50.0070.05017.94
7.0.40.0130.08020.40
7.0.30.0170.04320.25
7.0.20.0300.05320.26
7.0.10.0070.06020.28
7.0.00.0200.07320.10
5.6.210.0000.04320.45
5.6.200.0130.07718.28
5.6.190.0170.08320.33
5.6.180.0200.05320.61
5.6.170.0170.04720.62
5.6.160.0070.08020.56
5.6.150.0070.06018.27
5.6.140.0100.08018.15
5.6.130.0130.07318.15
5.6.120.0130.07721.08
5.6.110.0170.07020.97
5.6.100.0070.08021.05
5.6.90.0100.05720.96
5.6.80.0000.07020.55
5.5.350.0230.04020.39
5.5.340.0100.08018.06
5.5.330.0000.04720.57
5.5.320.0300.08020.25
5.5.310.0400.07020.36
5.5.300.0170.05718.00
5.5.290.0130.07317.92
5.5.280.0070.08720.77
5.5.270.0070.06320.84
5.5.260.0030.08320.89
5.5.250.0000.04320.58
5.5.240.0230.07320.05

preferences:
57.45 ms | 401 KiB | 5 Q