3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = 'mickmackusa'; $dob = fn(?int $age): ?int => !$age ? null : ( fn($newAge) => $newAge * print "$name's age is $newAge\n" )(2021 - $age); var_export($dob(null)); echo "\n---\n"; var_export($dob(31));

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)
8.5.10.0110.00716.46
8.5.00.0170.00720.04
8.4.150.0020.00014.05
8.4.140.0110.01117.63
8.4.130.0170.00417.35
8.4.120.0140.00520.52
8.4.110.0120.00820.44
8.4.100.0130.00818.55
8.4.90.0130.00718.82
8.4.80.0170.00618.78
8.4.70.0110.00618.21
8.4.60.0050.00618.76
8.4.50.0120.00818.64
8.4.40.0050.00317.45
8.4.30.0110.00818.76
8.4.20.0070.01419.73
8.4.10.0030.00619.46
8.3.280.0120.01018.41
8.3.270.0100.01116.53
8.3.260.0110.00816.34
8.3.250.0050.00318.83
8.3.240.0090.01016.67
8.3.230.0080.01016.75
8.3.220.0070.00118.77
8.3.210.0080.00816.48
8.3.200.0120.00616.56
8.3.190.0100.00517.01
8.3.180.0100.00417.21
8.3.170.0070.01020.54
8.3.160.0100.00717.09
8.3.150.0130.00616.98
8.3.140.0090.00018.39
8.3.130.0080.00018.68
8.3.120.0060.00319.02
8.3.110.0050.00320.94
8.3.100.0070.00318.59
8.3.90.0120.00418.43
8.3.80.0100.00017.97
8.3.70.0040.01418.55
8.3.60.0160.00016.41
8.3.50.0070.01416.47
8.3.40.0130.00321.78
8.3.30.0150.00020.35
8.3.20.0130.00623.69
8.3.10.0080.01123.61
8.3.00.0030.01620.63
8.2.290.0090.01020.66
8.2.280.0140.00518.72
8.2.270.0110.00716.93
8.2.260.0000.00816.51
8.2.250.0110.00016.60
8.2.240.0030.00619.05
8.2.230.0080.00822.58
8.2.220.0040.00424.06
8.2.210.0000.00826.77
8.2.200.0050.00516.63
8.2.190.0040.01116.58
8.2.180.0110.00416.50
8.2.170.0110.00319.05
8.2.160.0070.00722.96
8.2.150.0150.00018.99
8.2.140.0120.00320.52
8.2.130.0090.00620.39
8.2.120.0120.00319.22
8.2.110.0150.00019.40
8.2.100.0110.00618.82
8.2.90.0190.00320.55
8.2.80.0140.00721.07
8.2.70.0040.01220.65
8.2.60.0040.01220.63
8.2.50.0140.00020.87
8.2.40.0070.00720.60
8.2.30.0070.00720.49
8.2.20.0140.00720.33
8.2.10.0140.00720.42
8.2.00.0000.02120.37
8.1.330.0090.00921.93
8.1.320.0100.01016.22
8.1.310.0090.00016.62
8.1.300.0050.00318.61
8.1.290.0090.00018.88
8.1.280.0100.00725.92
8.1.270.0070.00723.96
8.1.260.0120.00923.82
8.1.250.0140.00323.84
8.1.240.0040.01120.23
8.1.230.0070.01120.34
8.1.220.0090.00620.63
8.1.210.0080.00820.39
8.1.200.0090.00920.59
8.1.190.0120.00620.41
8.1.180.0060.01320.01
8.1.170.0090.00620.66
8.1.160.0070.00720.34
8.1.150.0040.01120.65
8.1.140.0120.00320.29
8.1.130.0080.00620.52
8.1.120.0090.00620.28
8.1.110.0040.01120.36
8.1.100.0150.00018.54
8.1.90.0140.00018.54
8.1.80.0150.00019.87
8.1.70.0110.00418.55
8.1.60.0070.01018.59
8.1.50.0130.00318.53
8.1.40.0040.01118.81
8.1.30.0100.00718.88
8.1.20.0060.00919.93
8.1.10.0080.00818.79
8.1.00.0070.01118.45

preferences:
39.45 ms | 403 KiB | 5 Q