3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements Countable { public function count(): int { return 3; } } $f = new Foo(); var_dump(count($f)); var_dump(count([$f])); var_dump(count([$f], COUNT_RECURSIVE)); var_dump(count([[1, 2, 3]])); var_dump(count([[1, 2, 3]], COUNT_RECURSIVE));

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)
8.5.10.0110.00716.94
8.5.00.0150.00719.90
8.4.160.0160.00523.90
8.4.150.0020.00014.05
8.4.140.0130.00917.86
8.4.130.0130.00717.71
8.4.120.0050.00420.50
8.4.110.0080.00322.35
8.4.100.0090.01020.73
8.4.90.0060.00318.70
8.4.80.0130.00717.82
8.4.70.0040.00418.07
8.4.60.0130.00819.07
8.4.50.0120.00718.72
8.4.40.0030.01717.75
8.4.30.0050.00318.68
8.4.20.0160.00318.55
8.4.10.0030.00619.50
8.3.280.0020.00720.24
8.3.270.0090.01216.57
8.3.260.0140.00516.49
8.3.250.0090.00718.82
8.3.240.0020.00616.73
8.3.230.0080.01116.82
8.3.220.0100.00917.02
8.3.210.0040.00416.60
8.3.200.0060.00416.67
8.3.190.0070.00317.05
8.3.180.0090.00916.57
8.3.170.0110.00618.69
8.3.160.0040.00818.14
8.3.150.0140.00418.86
8.3.140.0110.00716.78
8.3.130.0080.00016.58
8.3.120.0070.00418.88
8.3.110.0100.00020.94
8.3.100.0040.00418.55
8.3.90.0220.00026.77
8.3.80.0060.00318.31
8.3.70.0070.01418.52
8.3.60.0000.01518.68
8.3.50.0150.00616.86
8.3.40.0070.00720.30
8.3.30.0110.00820.09
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0110.01128.09
8.2.290.0130.00620.46
8.2.280.0040.00318.27
8.2.270.0130.00617.36
8.2.260.0040.00418.23
8.2.250.0070.01316.53
8.2.240.0030.00617.21
8.2.230.0090.00022.58
8.2.220.0070.00424.06
8.2.210.0040.00426.77
8.2.200.0100.00016.50
8.2.190.0090.00618.38
8.2.180.0120.00316.63
8.2.170.0070.01419.07
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0120.00324.66
8.2.130.0090.00928.09
8.2.120.0110.00728.09
8.2.110.0110.00828.09
8.2.100.0170.00328.09
8.2.90.0110.00528.09
8.2.80.0120.00328.09
8.2.70.0070.01128.09
8.2.60.0100.01028.09
8.2.50.0060.01028.09
8.2.40.0140.00728.09
8.2.30.0100.00628.09
8.2.20.0110.00428.09
8.2.10.0150.00028.09
8.2.00.0120.00328.09
8.1.330.0020.00621.84
8.1.320.0100.00916.45
8.1.310.0120.00318.71
8.1.300.0060.00316.16
8.1.290.0000.01030.84
8.1.280.0100.00325.92
8.1.270.0060.00323.90
8.1.260.0070.00728.09
8.1.250.0070.00728.09
8.1.240.0070.00728.09
8.1.230.0070.00728.09
8.1.220.0060.00328.09
8.1.210.0090.00628.09
8.1.200.0080.00028.09
8.1.190.0040.00428.09
8.1.180.0150.00428.09
8.1.170.0030.00628.09
8.1.160.0150.00328.09
8.1.150.0140.00428.09
8.1.140.0030.00628.09
8.1.130.0040.00428.09
8.1.120.0060.00328.09
8.1.110.0140.00328.09
8.1.100.0030.00628.09
8.1.90.0060.00328.09
8.1.80.0080.00028.09
8.1.70.0050.00328.09
8.1.60.0060.00328.09
8.1.50.0030.00628.09
8.1.40.0100.00028.09
8.1.30.0070.00328.09
8.1.20.0030.00628.09
8.1.10.0050.00328.09
8.1.00.0080.00028.09

preferences:
39.96 ms | 403 KiB | 5 Q