3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = function (X&Y $foo = null) {}; $r = new ReflectionParameter($f, 0); var_dump($r->getType()->allowsNull());

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)
8.4.120.0080.01220.41
8.4.110.0130.00920.65
8.4.100.0100.01017.88
8.4.90.0110.01017.86
8.4.80.0060.00317.81
8.4.70.0080.00319.52
8.4.60.0170.00418.83
8.4.50.0050.00417.53
8.4.40.0120.00319.43
8.4.30.0130.00720.05
8.4.20.0090.00919.07
8.4.10.0130.00619.59
8.3.250.0110.00819.12
8.3.240.0130.00718.94
8.3.230.0110.00916.48
8.3.220.0120.00716.52
8.3.210.0090.01016.81
8.3.200.0070.00416.59
8.3.190.0120.00818.93
8.3.180.0150.00416.63
8.3.170.0070.00716.73
8.3.160.0150.00816.46
8.3.150.0120.00817.00
8.3.140.0110.00718.79
8.3.130.0030.00618.42
8.3.120.0160.00319.02
8.3.110.0060.00316.55
8.3.100.0040.00416.58
8.3.50.0040.00416.38
8.2.290.0110.00720.44
8.2.280.0120.01019.95
8.2.270.0040.01116.76
8.2.260.0050.00316.60
8.2.250.0060.00318.37
8.2.240.0030.00617.27
8.2.230.0110.00316.40
8.2.220.0110.00816.60
8.1.330.0090.01116.57
8.1.320.0110.01016.21
8.1.310.0000.00716.70
8.1.300.0160.00320.24
8.0.90.0040.00416.72
8.0.80.0030.01216.79
8.0.70.0060.01016.84
8.0.60.0050.01216.81
8.0.50.0060.01116.78
8.0.30.0080.01116.86
8.0.20.0140.00516.92
8.0.10.0070.00916.95
8.0.00.0090.00916.93
7.4.210.0090.01016.46
7.4.200.0120.00616.38
7.4.190.0110.00816.52
7.4.180.0040.01116.33
7.4.160.0050.01016.41
7.4.150.0090.00516.40
7.4.140.0090.00616.29
7.4.130.0050.00916.25
7.4.120.0080.00716.27
7.4.110.0070.00816.18
7.4.100.0100.00716.31
7.4.90.0070.01216.27
7.4.80.0090.00716.20
7.4.70.0120.00316.33
7.4.60.0090.00616.26
7.4.50.0090.00816.13
7.4.40.0100.00816.09
7.4.30.0100.00516.29
7.4.20.0080.00816.25
7.4.10.0110.00316.20
7.4.00.0120.00216.38
7.3.290.0040.01216.12
7.3.280.0050.01116.14
7.3.270.0090.00716.14
7.3.260.0030.00916.19
7.3.250.0080.00816.16
7.3.240.0110.00516.16
7.3.230.0080.00516.12
7.3.220.0070.00616.10
7.3.210.0050.01016.08
7.3.200.0100.00616.08
7.3.190.0110.00216.11
7.3.180.0030.01316.16
7.3.170.0070.00616.11
7.3.160.0090.00516.09
7.3.150.0090.00516.13
7.3.140.0090.00516.13
7.3.130.0090.00516.13
7.3.120.0060.00816.14
7.3.110.0110.00316.04
7.3.100.0110.00415.99
7.3.90.0060.00916.35
7.3.80.0100.00516.11
7.3.70.0060.01116.18
7.3.60.0100.00816.20
7.3.50.0100.00616.23
7.3.40.0030.01116.21
7.3.30.0100.00516.24
7.3.20.0030.01516.21
7.3.10.0060.01216.15
7.3.00.0100.00616.21

preferences:
50.14 ms | 403 KiB | 5 Q