3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function checkIt(int $test = null){ echo "I'm in here!"; } checkIt(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)
8.3.60.0100.00618.43
8.3.50.0040.01116.02
8.3.40.0040.01118.58
8.3.30.0120.00318.50
8.3.20.0040.00420.04
8.3.10.0050.00323.49
8.3.00.0080.00019.36
8.2.180.0140.00418.41
8.2.170.0090.00922.96
8.2.160.0100.00319.11
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0100.00019.02
8.2.120.0070.00026.35
8.2.110.0080.00020.51
8.2.100.0120.00017.78
8.2.90.0080.00019.07
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0030.00517.80
8.2.50.0030.00518.10
8.2.40.0070.00020.42
8.2.30.0040.00419.11
8.2.20.0040.00418.03
8.2.10.0040.00417.79
8.2.00.0040.00417.84
8.1.280.0070.00725.92
8.1.270.0040.00422.06
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.70
8.1.230.0080.00318.86
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0080.00017.22
8.1.190.0080.00017.23
8.1.180.0030.00618.10
8.1.170.0050.00320.20
8.1.160.0020.00518.86
8.1.150.0020.00520.55
8.1.140.0000.00719.48
8.1.130.0040.00418.76
8.1.120.0030.00517.34
8.1.110.0000.00817.12
8.1.100.0000.00717.22
8.1.90.0050.00217.31
8.1.80.0030.00517.25
8.1.70.0060.00317.35
8.1.60.0040.00417.52
8.1.50.0050.00317.34
8.1.40.0070.00417.41
8.1.30.0000.00717.57
8.1.20.0000.00817.55
8.1.10.0030.00617.43
8.1.00.0040.00417.22
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.28
8.0.270.0000.00717.29
8.0.260.0000.00916.74
8.0.250.0000.00616.78
8.0.240.0000.00716.73
8.0.230.0030.00316.88
8.0.220.0040.00416.75
8.0.210.0030.00316.68
8.0.200.0000.00616.83
8.0.190.0040.00416.81
8.0.180.0030.00516.80
8.0.170.0000.00716.78
8.0.160.0000.00716.64
8.0.150.0000.00716.77
8.0.140.0000.00816.59
8.0.130.0000.00613.14
8.0.120.0040.00416.76
8.0.110.0030.00516.86
8.0.100.0000.00816.65
8.0.90.0050.00316.64
8.0.80.0130.00616.70
8.0.70.0040.00316.82
8.0.60.0040.00416.55
8.0.50.0040.00416.74
8.0.30.0130.00416.98
8.0.20.0140.00417.40
8.0.10.0000.00816.75
8.0.00.0100.00916.87
7.4.330.0000.00515.55
7.4.320.0080.00016.31
7.4.300.0040.00316.30
7.4.290.0030.00616.43
7.4.280.0080.00016.57
7.4.270.0000.00716.52
7.4.260.0080.00016.42
7.4.250.0000.00716.50
7.4.240.0030.00316.42
7.4.230.0000.00716.62
7.4.220.0060.01316.46
7.4.210.0070.00716.42
7.4.200.0060.00016.51
7.4.160.0100.00716.45
7.4.150.0130.00417.40
7.4.140.0120.00617.86
7.4.130.0170.00616.52
7.4.120.0130.01016.43
7.3.330.0030.00313.05
7.3.320.0050.00013.16
7.3.310.0040.00416.23
7.3.300.0000.00716.26
7.3.290.0060.01016.22
7.3.280.0080.01116.20
7.3.270.0030.01417.40
7.3.260.0110.00616.43
7.3.250.0110.00716.40
7.3.240.0110.00816.21
7.0.170.0000.02016.34

preferences:
34.69 ms | 400 KiB | 5 Q