3v4l.org

run code in 300+ PHP versions simultaneously
<?php class B { function connect($a = null) { } } class A extends B { function connect($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)
8.3.60.0110.01117.93
8.3.50.0160.00321.98
8.3.40.0120.00318.51
8.3.30.0090.00618.48
8.3.20.0110.00420.16
8.3.10.0120.00320.41
8.3.00.0040.00421.79
8.2.180.0070.00716.50
8.2.170.0060.00922.96
8.2.160.0030.01022.26
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.76
8.2.110.0090.00021.11
8.2.100.0080.00417.59
8.2.90.0040.00417.84
8.2.80.0000.00718.05
8.2.70.0060.00317.38
8.2.60.0040.00417.91
8.2.50.0030.00618.09
8.2.40.0000.00720.44
8.2.30.0040.00419.28
8.2.20.0050.00317.61
8.2.10.0030.00517.93
8.2.00.0000.00717.98
8.1.280.0110.00425.92
8.1.270.0040.00422.19
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.80
8.1.230.0060.00620.98
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0000.00718.10
8.1.170.0040.00418.58
8.1.160.0040.00420.51
8.1.150.0040.00420.55
8.1.140.0080.00019.41
8.1.130.0000.00717.63
8.1.120.0000.00717.25
8.1.110.0000.00717.29
8.1.100.0030.00517.27
8.1.90.0000.00717.36
8.1.80.0050.00217.29
8.1.70.0070.00017.36
8.1.60.0040.00417.46
8.1.50.0030.00517.44
8.1.40.0050.00317.39
8.1.30.0070.00017.45
8.1.20.0070.00017.43
8.1.10.0040.00417.41
8.1.00.0070.00017.22
8.0.300.0040.00419.87
8.0.290.0020.00516.58
8.0.280.0030.00318.30
8.0.270.0000.00717.18
8.0.260.0000.00917.11
8.0.250.0000.00716.79
8.0.240.0070.00016.84
8.0.230.0040.00416.88
8.0.220.0030.00316.68
8.0.210.0040.00416.66
8.0.200.0000.00716.86
8.0.190.0040.00416.69
8.0.180.0030.00716.71
8.0.170.0000.00816.71
8.0.160.0040.00416.79
8.0.150.0000.00816.74
8.0.140.0000.01016.59
8.0.130.0030.00313.27
8.0.120.0050.00316.66
8.0.110.0040.00416.66
8.0.100.0070.00016.79
8.0.90.0070.00016.63
8.0.80.0080.00616.71
8.0.70.0050.00216.78
8.0.60.0000.00716.72
8.0.50.0040.00416.63
8.0.30.0080.01116.94
8.0.20.0100.00917.40
8.0.10.0000.00816.95
8.0.00.0070.01016.63
7.4.330.0000.00516.67
7.4.320.0060.00016.46
7.4.300.0030.00316.38
7.4.290.0040.00416.39
7.4.280.0070.00016.46
7.4.270.0030.00316.29
7.4.260.0070.00016.36
7.4.250.0070.00016.32
7.4.240.0000.00816.48
7.4.230.0000.00716.45
7.4.220.0150.01116.33
7.4.210.0000.01816.36
7.4.200.0000.00916.21
7.4.160.0060.01016.28
7.4.150.0150.00917.40
7.4.140.0100.01017.86
7.4.130.0160.00116.40
7.4.120.0080.00916.45
7.4.110.0090.00916.45
7.4.100.0090.00916.22
7.4.90.0070.01016.23
7.4.80.0000.01619.39
7.4.70.0070.01016.33
7.4.60.0090.00816.29
7.4.50.0000.01616.36
7.4.40.0060.01116.44
7.4.30.0090.00616.39
7.4.00.0090.00614.98
7.3.330.0000.00613.09
7.3.320.0020.00213.01
7.3.310.0030.00316.02
7.3.300.0000.00816.12
7.3.290.0090.00916.20
7.3.280.0110.00416.14
7.3.270.0100.00717.40
7.3.260.0190.00416.16
7.3.250.0130.00316.29
7.3.240.0080.00916.19
7.3.230.0060.01216.43
7.3.210.0080.00816.31
7.3.200.0080.00816.39
7.3.190.0130.00316.21
7.3.180.0110.00716.36
7.3.170.0100.00716.26
7.3.160.0060.01016.38
7.3.10.0030.00916.28
7.3.00.0130.00016.29
7.2.330.0060.01816.43
7.2.320.0130.00916.44
7.2.310.0140.00316.21
7.2.300.0060.01616.38
7.2.290.0120.00316.30
7.2.130.0080.00316.68
7.2.120.0030.01016.75
7.2.110.0140.00016.47
7.2.100.0040.01116.32
7.2.90.0090.00316.55
7.2.80.0060.01216.80
7.2.70.0030.01216.50
7.2.60.0040.01016.68
7.2.50.0060.00616.82
7.2.40.0070.00716.76
7.2.30.0030.01016.46
7.2.20.0090.00616.89
7.2.10.0070.00716.46
7.2.00.0030.01017.89
7.1.250.0040.00715.38
7.1.200.0000.00815.53
7.1.100.0060.00317.86
7.1.70.0050.00316.88
7.1.60.0000.02419.19
7.1.50.0030.01516.76
7.1.00.0030.07722.35
7.0.200.0430.00314.47
7.0.60.0270.04319.89
7.0.50.0030.08717.87
7.0.40.0100.04320.14
7.0.30.0170.04720.07
7.0.20.0370.06720.12
7.0.10.0130.08320.10
7.0.00.0130.03320.24
5.6.280.0030.05721.02
5.6.210.0030.07020.47
5.6.200.0070.08018.17
5.6.190.0070.05320.41
5.6.180.0300.03720.58
5.6.170.0370.05320.63
5.6.160.0130.08020.49
5.6.150.0000.07718.14
5.6.140.0100.08018.14
5.6.130.0130.07718.27
5.6.120.0030.04321.05
5.6.110.0070.08021.14
5.6.100.0000.05721.00
5.6.90.0200.05720.95
5.6.80.0000.04720.38
5.5.350.0370.07020.42
5.5.340.0070.06318.07
5.5.330.0100.06020.23
5.5.320.0330.05320.18
5.5.310.0270.03720.30
5.5.300.0070.03718.03
5.5.290.0100.03717.99
5.5.280.0070.08320.69
5.5.270.0200.07020.79
5.5.260.0200.07020.94
5.5.250.0200.06720.50
5.5.240.0070.07320.13

preferences:
41.16 ms | 401 KiB | 5 Q