3v4l.org

run code in 300+ PHP versions simultaneously
<?php function t(string $a = null){ var_dump($a); } t('x'); t(); t(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)
8.3.70.0040.01116.50
8.3.60.0060.00916.48
8.3.50.0070.00817.42
8.3.40.0090.00618.69
8.3.30.0120.00318.36
8.3.20.0040.00420.16
8.3.10.0070.00021.73
8.3.00.0040.00419.35
8.2.180.0120.00616.32
8.2.170.0110.00422.96
8.2.160.0130.00020.39
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0040.00419.44
8.2.120.0040.00426.35
8.2.110.0060.00319.27
8.2.100.0070.00418.09
8.2.90.0040.00419.11
8.2.80.0050.00317.97
8.2.70.0060.00617.37
8.2.60.0000.00817.68
8.2.50.0080.00018.10
8.2.40.0040.00420.55
8.2.30.0040.00419.19
8.2.20.0050.00317.99
8.2.10.0000.00718.01
8.2.00.0050.00217.83
8.1.280.0000.01725.92
8.1.270.0050.00323.93
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00523.99
8.1.230.0100.00317.42
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0090.00017.23
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0040.00418.49
8.1.160.0070.00018.95
8.1.150.0000.00820.45
8.1.140.0070.00019.37
8.1.130.0030.00318.75
8.1.120.0070.00017.23
8.1.110.0080.00017.25
8.1.100.0000.00717.33
8.1.90.0060.00317.26
8.1.80.0000.00717.36
8.1.70.0030.00317.22
8.1.60.0080.00017.58
8.1.50.0000.00717.44
8.1.40.0040.00417.43
8.1.30.0040.00417.53
8.1.20.0000.00917.63
8.1.10.0000.00917.45
8.1.00.0000.00817.33
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.32
8.0.270.0030.00317.04
8.0.260.0030.00316.80
8.0.250.0030.00316.84
8.0.240.0000.00716.71
8.0.230.0000.00716.78
8.0.220.0030.00316.80
8.0.210.0030.00316.81
8.0.200.0030.00516.71
8.0.190.0040.00416.71
8.0.180.0000.00716.81
8.0.170.0040.00416.78
8.0.160.0000.00716.69
8.0.150.0030.00516.70
8.0.140.0070.00016.74
8.0.130.0000.00513.29
8.0.120.0070.00016.77
8.0.110.0030.00316.54
8.0.100.0060.00316.80
8.0.90.0040.00416.77
8.0.80.0090.00916.83
8.0.70.0040.00416.61
8.0.60.0050.00216.68
8.0.50.0040.00416.59
8.0.30.0140.00416.85
8.0.20.0140.00617.40
8.0.10.0040.00417.00
8.0.00.0100.00716.34
7.4.330.0050.00015.55
7.4.320.0000.00616.29
7.4.300.0060.00016.53
7.4.290.0030.00316.45
7.4.280.0000.00816.50
7.4.270.0030.00316.55
7.4.260.0000.00613.23
7.4.250.0040.00416.48
7.4.240.0000.00716.31
7.4.230.0030.00316.36
7.4.220.0030.01416.34
7.4.210.0070.00916.37
7.4.200.0000.00816.52
7.4.160.0050.01116.38
7.4.150.0080.00817.40
7.4.140.0160.00417.86
7.4.130.0090.01516.34
7.4.120.0130.00916.45
7.3.330.0030.00313.26
7.3.320.0020.00313.23
7.3.310.0000.00716.18
7.3.300.0000.00616.32
7.3.290.0030.00316.07
7.3.280.0080.00816.23
7.3.270.0080.00917.40
7.3.260.0060.01016.25
7.3.250.0160.00416.40
7.3.240.0120.00516.49
7.1.70.0190.01315.28

preferences:
50.86 ms | 401 KiB | 5 Q