3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function x($id = null) { } } class B extends A { public function x() { } } $b = new 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)
8.3.60.0040.01118.31
8.3.50.0310.00521.82
8.3.40.0090.00918.59
8.3.30.0070.01118.68
8.3.20.0040.00420.23
8.3.10.0040.00423.48
8.3.00.0080.00019.85
8.2.180.0090.00618.16
8.2.170.0100.01022.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0060.00320.48
8.2.120.0070.00026.35
8.2.110.0110.00020.56
8.2.100.0000.01217.77
8.2.90.0040.00419.15
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0070.00517.68
8.2.50.0040.00418.07
8.2.40.0030.00521.06
8.2.30.0000.00720.65
8.2.20.0070.00017.55
8.2.10.0040.00417.80
8.2.00.0000.00718.03
8.1.280.0170.00025.92
8.1.270.0110.00723.80
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0030.00623.83
8.1.230.0060.00619.09
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0000.00817.63
8.1.180.0000.00818.10
8.1.170.0000.00718.51
8.1.160.0040.00421.81
8.1.150.0040.00418.67
8.1.140.0030.00519.34
8.1.130.0050.00217.44
8.1.120.0040.00417.35
8.1.110.0000.00717.30
8.1.100.0050.00217.37
8.1.90.0000.00717.29
8.1.80.0030.00317.34
8.1.70.0000.00817.31
8.1.60.0070.00017.34
8.1.50.0040.00417.29
8.1.40.0060.00617.39
8.1.30.0040.00417.34
8.1.20.0040.00417.49
8.1.10.0000.00717.33
8.1.00.0040.00417.33
8.0.300.0060.00318.77
8.0.290.0040.00416.58
8.0.280.0020.00518.30
8.0.270.0060.00017.02
8.0.260.0000.00717.13
8.0.250.0030.00316.89
8.0.240.0000.00616.85
8.0.230.0040.00416.89
8.0.220.0000.00716.70
8.0.210.0000.00816.86
8.0.200.0000.00816.90
8.0.190.0000.00816.77
8.0.180.0000.00816.81
8.0.170.0040.00416.83
8.0.160.0040.00416.72
8.0.150.0040.00416.65
8.0.140.0050.00316.84
8.0.130.0030.00313.16
8.0.120.0030.00616.80
8.0.110.0000.00716.86
8.0.100.0030.00516.89
8.0.90.0080.00016.85
8.0.80.0090.00616.81
8.0.70.0000.00716.62
8.0.60.0070.00016.79
8.0.50.0050.00216.87
8.0.30.0100.00817.01
8.0.20.0110.00917.40
8.0.10.0040.00416.93
8.0.00.0070.01316.74
7.4.330.0000.00616.77
7.4.320.0030.00316.41
7.4.300.0000.00716.48
7.4.290.0040.00416.35
7.4.280.0080.00016.44
7.4.270.0040.00416.46
7.4.260.0000.00716.51
7.4.250.0000.00816.44
7.4.240.0040.00416.48
7.4.230.0030.00316.50
7.4.220.0120.00616.48
7.4.210.0180.00016.59
7.4.200.0000.00716.46
7.4.160.0080.00816.60
7.4.150.0030.01717.40
7.4.140.0140.00817.86
7.4.130.0130.00516.30
7.4.120.0080.01216.36
7.4.110.0100.00716.56
7.4.100.0090.01316.27
7.4.90.0120.00616.23
7.4.80.0030.01519.39
7.4.70.0120.00616.32
7.4.60.0080.00816.59
7.4.50.0070.00716.49
7.4.40.0050.01116.40
7.4.30.0060.01016.29
7.4.00.0040.01115.09
7.3.330.0000.00513.23
7.3.320.0000.00613.10
7.3.310.0000.00616.26
7.3.300.0030.00316.23
7.3.290.0060.00916.20
7.3.280.0080.00916.24
7.3.270.0120.00617.40
7.3.260.0080.00916.38
7.3.250.0090.00916.31
7.3.240.0110.00816.20
7.3.230.0130.00316.40
7.3.210.0120.00416.16
7.3.200.0060.01216.09
7.3.190.0030.01316.56
7.3.180.0030.01316.16
7.3.170.0100.00616.27
7.3.160.0090.00616.36
7.2.330.0100.01316.31
7.2.320.0160.00616.29
7.2.310.0100.01016.64
7.2.300.0030.01416.42
7.2.290.0120.00616.22
7.2.60.0000.01116.59
7.2.00.0000.01619.50
7.1.200.0040.00815.32
7.1.100.0070.00418.05
7.1.70.0000.01217.10
7.1.60.0090.00919.50
7.1.50.0170.00716.54
7.1.00.0070.07322.24
7.0.200.0030.00616.60
7.0.60.0200.04019.93
7.0.50.0030.08017.88
7.0.40.0200.07320.18
7.0.30.0230.08020.35
7.0.20.0330.08320.06
7.0.10.0400.05320.34
7.0.00.0070.04020.09
5.6.280.0030.06020.91
5.6.210.0030.06320.50
5.6.200.0070.03718.29
5.6.190.0000.08720.46
5.6.180.0270.05020.47
5.6.170.0230.07720.55
5.6.160.0000.06020.51
5.6.150.0100.07018.28
5.6.140.0130.07718.21
5.6.130.0070.06018.24
5.6.120.0030.06321.05
5.6.110.0130.07021.09
5.6.100.0100.04721.04
5.6.90.0070.08720.96
5.6.80.0070.06720.38
5.5.350.0300.07020.43
5.5.340.0070.08318.03
5.5.330.0130.04320.44
5.5.320.0030.09020.25
5.5.310.0270.07720.34
5.5.300.0070.03718.08
5.5.290.0030.08017.95
5.5.280.0230.07020.90
5.5.270.0130.03720.77
5.5.260.0070.06320.79
5.5.250.0100.07020.69
5.5.240.0170.08020.11

preferences:
63.62 ms | 401 KiB | 5 Q