3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function do($a = NULL) { } } class B extends A { public function do($a) { } }

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)
8.4.120.0120.00821.87
8.4.110.0070.00318.75
8.4.100.0070.00217.93
8.4.90.0050.00417.64
8.4.80.0040.00420.59
8.4.70.0060.00917.64
8.4.60.0130.00917.75
8.4.50.0050.00419.33
8.4.40.0070.00317.66
8.4.30.0090.00918.99
8.4.20.0150.00619.68
8.4.10.0040.00420.73
8.3.250.0130.00518.77
8.3.240.0120.00716.77
8.3.230.0120.00716.50
8.3.220.0040.00317.31
8.3.210.0030.00416.70
8.3.200.0120.00716.83
8.3.190.0100.00718.34
8.3.180.0060.00318.45
8.3.170.0150.00416.67
8.3.160.0100.00716.55
8.3.150.0090.00917.05
8.3.140.0080.00017.14
8.3.130.0040.00418.34
8.3.120.0130.00618.91
8.3.110.0000.00820.94
8.3.100.0080.00024.06
8.3.90.0060.00326.77
8.3.80.0060.00319.36
8.3.70.0090.00916.63
8.3.60.0110.00416.38
8.3.50.0100.00924.37
8.3.40.0120.00319.05
8.3.30.0140.00018.55
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.290.0080.00820.21
8.2.280.0120.00318.49
8.2.270.0200.00016.44
8.2.260.0050.00318.55
8.2.250.0130.00618.30
8.2.240.0060.00318.51
8.2.230.0100.00022.58
8.2.220.0090.00037.54
8.2.210.0110.00426.77
8.2.200.0040.00418.88
8.2.190.0150.00316.58
8.2.180.0090.00625.92
8.2.170.0040.01222.96
8.2.160.0030.01322.96
8.2.150.0080.00025.66
8.2.140.0000.00724.66
8.2.130.0110.00326.16
8.2.120.0080.00026.35
8.2.110.0030.00721.00
8.2.100.0080.00317.66
8.2.90.0080.00017.63
8.2.80.0080.00017.97
8.2.70.0050.00317.38
8.2.60.0060.00617.50
8.2.50.0050.00318.05
8.2.40.0040.00418.22
8.2.30.0040.00417.96
8.2.20.0070.00017.85
8.2.10.0040.00419.12
8.2.00.0040.00419.20
8.1.330.0120.00816.64
8.1.320.0070.01216.28
8.1.310.0140.00416.63
8.1.300.0040.00415.95
8.1.290.0060.00330.84
8.1.280.0090.00925.92
8.1.270.0070.00023.99
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0030.00623.79
8.1.230.0070.00320.41
8.1.220.0000.00717.74
8.1.210.0030.00618.77
8.1.200.0040.00416.98
8.1.190.0000.00816.88
8.1.180.0080.00018.10
8.1.170.0080.00017.62
8.1.160.0000.00718.66
8.1.150.0070.00018.82
8.1.140.0070.00018.75
8.1.130.0030.00320.07
8.1.120.0000.00717.27
8.1.110.0000.00817.32
8.1.100.0060.00317.29
8.1.90.0070.00417.32
8.1.80.0060.00317.26
8.1.70.0040.00717.29
8.1.60.0030.00717.40
8.1.50.0040.00417.29
8.1.40.0000.00717.40
8.1.30.0000.00817.39
8.1.20.0060.00317.54
8.1.10.0040.00417.36
8.1.00.0040.00417.19
8.0.300.0000.00719.77
8.0.290.0000.00916.63
8.0.280.0080.00018.31
8.0.270.0030.00317.83
8.0.260.0030.00320.12
8.0.250.0060.00016.95
8.0.240.0040.00416.84
8.0.230.0040.00416.76
8.0.220.0070.00016.82
8.0.210.0080.00016.78
8.0.200.0070.00016.82
8.0.190.0040.00416.78
8.0.180.0040.00416.75
8.0.170.0050.00316.89
8.0.160.0040.00416.80
8.0.150.0000.00716.79
8.0.140.0030.00516.84
8.0.130.0000.00513.24
8.0.120.0050.00216.70
8.0.110.0030.00316.71
8.0.100.0070.00016.86
8.0.90.0090.00016.94
8.0.80.0060.00816.80
8.0.70.0000.00816.70
8.0.60.0040.00416.84
8.0.50.0000.00716.67
8.0.30.0060.01216.84
8.0.20.0040.01617.09
8.0.10.0070.00016.96
8.0.00.0130.01316.83
7.4.330.0000.00515.55
7.4.320.0030.00316.48
7.4.300.0000.00716.47
7.4.290.0020.00516.38
7.4.280.0050.00316.23
7.4.270.0030.00316.29
7.4.260.0030.00313.19
7.4.250.0000.00816.24
7.4.240.0020.00516.43
7.4.230.0060.00016.42
7.4.220.0020.00516.38
7.4.210.0090.00616.41
7.4.200.0000.00716.55
7.4.130.0120.00516.38
7.4.120.0140.01016.55
7.4.110.0130.00516.42
7.4.100.0100.00716.30
7.4.90.0030.01316.29
7.4.80.0100.00619.39
7.4.70.0030.01316.17
7.4.60.0060.01016.47
7.4.50.0240.00616.39
7.4.40.0260.00416.41
7.4.30.0250.00516.11
7.4.20.0220.00916.27
7.4.10.0140.01116.21
7.4.00.0120.00916.34
7.3.330.0060.00316.05
7.3.320.0000.00613.22
7.3.310.0030.00316.32
7.3.300.0070.00016.15
7.3.290.0130.00516.22
7.3.280.0110.00416.23
7.3.260.0100.01016.40
7.3.240.0100.00716.38
7.3.230.0120.00616.46
7.3.210.0060.01216.42
7.3.200.0030.01316.33
7.3.190.0080.00816.23
7.3.180.0230.00616.23
7.3.170.0130.01816.15
7.3.160.0320.00416.10
7.3.150.0140.00916.04
7.3.140.0180.01116.18
7.3.130.0210.00816.09
7.3.120.0220.01116.28
7.3.110.0240.00416.18
7.3.100.0210.00616.12
7.3.90.0170.01016.12
7.3.80.0150.01016.01
7.3.70.0190.00916.23
7.3.60.0270.00416.05
7.3.50.0090.01916.09
7.3.40.0220.00916.25
7.3.30.0140.01316.23
7.3.20.0220.00516.30
7.3.10.0130.01316.20
7.3.00.0160.00816.07
7.2.330.0130.00616.26
7.2.310.0170.00816.25
7.2.300.0250.00316.36
7.2.290.0150.01516.31
7.2.280.0200.00716.21
7.2.270.0240.00516.32
7.2.260.0160.01016.22
7.2.250.0250.00616.26
7.2.240.0150.01316.21
7.2.230.0130.01216.13
7.2.220.0180.01516.43
7.2.210.0200.00416.45
7.2.200.0180.00716.13
7.2.190.0170.00816.41
7.2.180.0210.00816.30
7.2.170.0100.01516.27
7.2.160.0200.00316.29
7.2.150.0170.01016.49
7.2.140.0230.00016.12
7.2.130.0220.00716.30
7.2.120.0170.00816.24
7.2.110.0170.01316.35
7.2.100.0190.00816.11
7.2.90.0190.00616.31
7.2.80.0170.01316.32
7.2.70.0140.00916.46
7.2.60.0200.01316.20
7.2.50.0180.01216.18
7.2.40.0190.01316.17
7.2.30.0190.01516.29
7.2.20.0200.00816.09
7.2.10.0260.00016.30
7.2.00.0110.00816.39

preferences:
29.72 ms | 403 KiB | 5 Q