3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ "SomeTitle" => [ 2018 => [ "February" => [], "January" => [], "March" => [] ], 2017 => [ "February" => [], "January" => [], "March" => [], "September" => [], "June" => [], "December" => [], "October" => [], "July" => [], "April" => [], "August" => [], "May" => [], ] ] ]; $lookup = array_flip( ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'] ); foreach ($array as &$years) { krsort($years); foreach ($years as &$months) { uksort($months, fn($a, $b) => $lookup[$a] <=> $lookup[$b]); } } var_export($array);

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)
8.5.10.0050.00316.62
8.5.00.0130.00819.89
8.4.150.0030.00014.05
8.4.140.0160.00717.68
8.4.130.0090.00717.79
8.4.120.0060.00320.95
8.4.110.0110.01022.38
8.4.100.0060.00317.90
8.4.90.0120.00918.96
8.4.80.0110.00717.75
8.4.70.0070.00117.95
8.4.60.0140.00618.74
8.4.50.0110.00920.61
8.4.40.0100.01017.61
8.4.30.0130.00722.30
8.4.20.0130.00921.03
8.4.10.0030.00619.68
8.3.280.0100.00918.44
8.3.270.0100.00816.49
8.3.260.0080.01116.61
8.3.250.0120.00618.80
8.3.240.0130.00816.57
8.3.230.0110.00916.51
8.3.220.0060.00319.18
8.3.210.0110.00918.22
8.3.200.0060.00216.64
8.3.190.0040.00417.20
8.3.180.0100.00916.41
8.3.170.0090.00918.89
8.3.160.0100.00720.53
8.3.150.0060.00317.16
8.3.140.0040.01516.62
8.3.130.0300.01616.48
8.3.120.0280.00616.44
8.3.110.0130.00816.29
8.3.100.0110.01116.48
8.3.90.0160.00616.28
8.3.80.0150.00916.51
8.3.70.0190.00416.18
8.3.60.0200.00316.59
8.3.50.0210.00016.62
8.3.40.0180.00517.45
8.3.30.0210.00717.29
8.3.20.0140.00517.50
8.3.10.0170.00017.50
8.3.00.0210.00417.40
8.2.290.0080.01120.75
8.2.280.0100.00820.11
8.2.270.0060.00316.30
8.2.260.0080.01116.95
8.2.250.0180.00016.71
8.2.240.0110.00716.59
8.2.230.0180.00016.43
8.2.220.0160.00616.31
8.2.210.0280.00616.47
8.2.200.0140.01116.35
8.2.190.0220.01216.58
8.2.180.0220.01116.27
8.2.170.0270.00017.81
8.2.160.0170.01017.64
8.2.150.0240.00617.44
8.2.140.0220.01017.34
8.2.130.0230.00317.38
8.2.120.0170.01017.49
8.2.110.0350.00317.54
8.2.100.0330.00717.57
8.2.90.0330.00317.63
8.2.80.0280.01217.53
8.2.70.0310.00917.43
8.2.60.0310.00317.66
8.2.50.0330.00717.51
8.2.40.0360.00717.55
8.2.30.0300.01017.50
8.2.20.0360.00617.59
8.2.10.0320.00917.60
8.2.00.0180.01117.33
8.1.330.0100.01120.25
8.1.320.0140.00616.28
8.1.310.0080.00016.80
8.1.300.0190.00016.18
8.1.290.0110.00716.18
8.1.280.0190.01316.18
8.1.270.0360.00617.22
8.1.260.0310.00317.42
8.1.250.0140.00517.30
8.1.240.0220.00317.11
8.1.230.0130.00416.98
8.1.220.0240.01017.34
8.1.210.0400.00417.17
8.1.200.0320.01317.15
8.1.190.0330.01016.97
8.1.180.0270.00617.12
8.1.170.0230.01017.10
8.1.160.0320.01116.82
8.1.150.0340.00616.84
8.1.140.0220.01317.03
8.1.130.0300.00016.91
8.1.120.0180.01117.20
8.1.110.0210.00917.18
8.1.100.0230.01116.98
8.1.90.0300.00316.98
8.1.80.0300.00017.20
8.1.70.0160.00017.04
8.1.60.0200.01217.07
8.1.50.0230.00617.08
8.1.40.0110.00717.39
8.1.30.0190.00017.38
8.1.20.0160.00317.34
8.1.10.0170.00417.06
8.1.00.0120.00617.36

preferences:
65.87 ms | 403 KiB | 5 Q