3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function(int $a = null) {echo $a . '!';}; $a(3); $a(null);

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)
8.3.60.0180.00016.63
8.3.50.0070.01118.30
8.3.40.0110.01118.79
8.3.30.0120.00318.67
8.3.20.0080.00020.38
8.3.10.0030.00620.36
8.3.00.0040.00421.73
8.2.180.0120.00916.50
8.2.170.0100.00722.96
8.2.160.0070.00722.21
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0050.00320.80
8.2.120.0040.00426.35
8.2.110.0060.00320.94
8.2.100.0060.00617.93
8.2.90.0000.00819.08
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0050.00318.09
8.2.40.0080.00020.54
8.2.30.0000.00719.37
8.2.20.0000.00717.63
8.2.10.0040.00417.93
8.2.00.0070.00017.99
8.1.280.0090.00625.92
8.1.270.0060.00321.97
8.1.260.0070.00028.09
8.1.250.0000.00728.09
8.1.240.0030.00622.58
8.1.230.0060.00617.77
8.1.220.0050.00217.74
8.1.210.0040.00418.77
8.1.200.0100.00017.22
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0030.00618.57
8.1.160.0040.00420.76
8.1.150.0050.00218.76
8.1.140.0040.00419.54
8.1.130.0070.00017.69
8.1.120.0040.00417.35
8.1.110.0040.00417.46
8.1.100.0040.00417.46
8.1.90.0040.00417.36
8.1.80.0040.00417.38
8.1.70.0000.00717.52
8.1.60.0040.00417.55
8.1.50.0040.00417.48
8.1.40.0050.00217.50
8.1.30.0060.00317.61
8.1.20.0040.00417.57
8.1.10.0020.00517.46
8.1.00.0020.00517.47
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0000.00718.43
8.0.270.0070.00017.13
8.0.260.0000.00717.27
8.0.250.0030.00316.83
8.0.240.0040.00416.95
8.0.230.0030.00316.84
8.0.220.0040.00416.89
8.0.210.0000.00716.85
8.0.200.0040.00416.96
8.0.190.0050.00316.97
8.0.180.0000.00716.92
8.0.170.0000.00816.87
8.0.160.0000.00716.85
8.0.150.0000.00816.90
8.0.140.0040.00416.85
8.0.130.0000.00513.23
8.0.120.0000.00916.82
8.0.110.0000.00716.77
8.0.100.0040.00416.83
8.0.90.0000.00716.75
8.0.80.0090.01216.84
8.0.70.0040.00416.82
8.0.60.0050.00216.76
8.0.50.0040.00416.76
8.0.30.0060.01217.03
8.0.20.0080.01217.42
8.0.10.0030.00317.04
8.0.00.0100.00616.87
7.4.330.0050.00016.82
7.4.320.0030.00316.50
7.4.300.0070.00016.43
7.4.290.0070.00016.52
7.4.280.0040.00416.47
7.4.270.0000.00716.50
7.4.260.0040.00416.41
7.4.250.0000.00716.53
7.4.240.0000.00716.65
7.4.230.0000.00716.31
7.4.220.0060.01216.70
7.4.210.0060.00916.46
7.4.200.0050.00216.31
7.4.160.0090.00616.59
7.4.150.0120.00617.40
7.4.140.0140.00517.86
7.4.130.0100.00716.40
7.4.120.0060.01016.56
7.4.110.0070.01016.50
7.4.100.0100.01316.55
7.4.90.0100.00616.34
7.4.80.0030.01319.39
7.4.70.0140.00916.23
7.4.60.0110.00716.57
7.4.50.0080.00416.53
7.4.40.0100.00716.30
7.4.30.0150.00616.43
7.4.00.0090.00614.93
7.3.330.0000.00513.28
7.3.320.0000.00513.12
7.3.310.0040.00416.18
7.3.300.0000.00716.18
7.3.290.0040.01316.27
7.3.280.0070.00916.31
7.3.270.0060.01217.40
7.3.260.0030.01316.53
7.3.250.0100.00816.32
7.3.240.0120.00516.36
7.3.230.0100.00616.39
7.3.210.0030.01416.17
7.3.200.0060.01616.47
7.3.190.0120.00316.34
7.3.180.0120.00616.39
7.3.170.0130.00316.49
7.3.160.0100.00616.33
7.2.330.0100.01316.25
7.2.320.0090.00816.47
7.2.310.0040.01216.35
7.2.300.0050.01116.73
7.2.290.0170.00016.71
7.2.60.0140.00016.64
7.2.00.0070.00719.11
7.1.200.0040.00815.59
7.1.100.0000.01618.17
7.1.70.0050.00516.96
7.1.60.0090.01519.40
7.1.50.0090.01216.55
7.1.00.0030.07722.29
7.0.200.0560.00714.33
7.0.60.0230.08021.81
7.0.50.0130.07717.87
7.0.40.0100.07320.05
7.0.30.0230.05020.21
7.0.20.0330.07020.33
7.0.10.0030.08720.15
7.0.00.0030.05320.33
5.6.280.0100.05321.12
5.6.210.0070.06020.50
5.6.200.0000.05018.27
5.6.190.0030.06020.52
5.6.180.0230.05320.39
5.6.170.0270.04720.77
5.6.160.0170.05020.46
5.6.150.0070.08018.18
5.6.140.0000.04318.22
5.6.130.0030.04018.14
5.6.120.0070.08021.15
5.6.110.0100.05720.98
5.6.100.0030.05720.96
5.6.90.0200.06721.08
5.6.80.0070.05720.29
5.5.350.0200.08320.53
5.5.340.0100.07718.05
5.5.330.0070.04720.21
5.5.320.0630.05320.32
5.5.310.0230.08020.27
5.5.300.0070.07318.02
5.5.290.0000.09017.98
5.5.280.0030.04020.73
5.5.270.0070.03720.80
5.5.260.0100.07320.73
5.5.250.0070.08320.69
5.5.240.0270.07720.15

preferences:
41.02 ms | 400 KiB | 5 Q