3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'user 1' => [ ['item 4' => '11385'], ['item 2' => '144268'], ['item 1' => '65774'], ['item 9' => '98523'], ], 'user 5' => [ ['item 8' => '239233'], ], 'user 2' => [ ['item 4' => '53718'], ['item 1' => '154687'], ], ]; ksort($array); foreach ($array as &$v) { usort( $v, fn($a, $b) => key($a) <=> key($b) ); } var_export($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)
8.5.30.0030.00519.61
8.5.20.0100.00721.89
8.5.10.0060.00216.82
8.5.00.0130.00819.76
8.4.180.0160.00525.44
8.4.170.0110.01021.88
8.4.160.0150.00723.09
8.4.150.0080.00616.83
8.4.140.0150.00917.32
8.4.130.0120.00818.77
8.4.120.0060.00423.95
8.4.110.0030.00819.02
8.4.100.0120.00818.93
8.4.90.0160.00418.88
8.4.80.0080.01218.74
8.4.70.0030.00617.96
8.4.60.0140.00720.51
8.4.50.0120.00718.74
8.4.40.0090.00017.86
8.4.30.0040.00418.86
8.4.20.0090.00017.85
8.4.10.0090.00019.33
8.3.300.0110.01020.50
8.3.290.0100.01120.77
8.3.280.0100.01018.48
8.3.270.0070.00116.71
8.3.260.0040.00416.61
8.3.250.0120.00718.51
8.3.240.0120.00717.28
8.3.230.0140.00916.38
8.3.220.0120.00818.95
8.3.210.0120.00816.53
8.3.200.0050.00416.38
8.3.190.0090.00117.03
8.3.180.0040.00416.32
8.3.170.0100.00720.77
8.3.160.0170.00018.98
8.3.150.0050.00317.10
8.3.140.0150.00316.41
8.3.130.0060.00318.64
8.3.120.0100.01317.16
8.3.110.0040.00416.63
8.3.100.0100.00016.50
8.3.90.0100.01026.77
8.3.80.0040.00418.30
8.3.70.0060.00916.75
8.3.60.0090.00618.31
8.3.50.0070.00716.71
8.3.40.0110.00422.03
8.3.30.0040.01221.93
8.3.20.0120.00625.66
8.3.10.0070.01025.66
8.3.00.0070.00725.66
8.2.300.0130.01120.50
8.2.290.0130.00720.45
8.2.280.0120.00618.32
8.2.270.0080.00017.07
8.2.260.0040.00419.96
8.2.250.0040.00416.79
8.2.240.0080.00017.08
8.2.230.0060.00320.94
8.2.220.0160.00024.06
8.2.210.0050.00326.77
8.2.200.0030.00618.04
8.2.190.0110.00416.58
8.2.180.0070.01116.63
8.2.170.0110.01118.79
8.2.160.0060.00822.96
8.2.150.0070.01325.66
8.2.140.0070.01325.66
8.2.130.0130.00625.66
8.2.120.0130.00325.66
8.2.110.0110.00425.66
8.2.100.0130.00725.66
8.2.90.0190.00025.66
8.2.80.0110.00425.66
8.2.70.0070.00725.66
8.2.60.0120.00325.66
8.2.50.0140.00725.66
8.2.40.0040.01825.66
8.2.30.0040.01825.66
8.2.20.0070.01125.66
8.2.10.0120.00325.66
8.2.00.0120.00425.66
8.1.340.0120.00717.45
8.1.330.0100.00921.84
8.1.320.0110.00815.92
8.1.310.0050.00316.52
8.1.300.0030.00617.88
8.1.290.0030.00630.84
8.1.280.0060.00925.92
8.1.270.0060.00925.66
8.1.260.0100.00325.66
8.1.250.0050.00525.66
8.1.240.0040.00725.66
8.1.230.0090.00025.66
8.1.220.0070.00325.66
8.1.210.0060.00325.66
8.1.200.0050.00325.66
8.1.190.0000.00825.66
8.1.180.0080.00025.66
8.1.170.0000.00825.66
8.1.160.0040.00425.66
8.1.150.0000.00825.66
8.1.140.0050.00325.66
8.1.130.0080.00025.66
8.1.120.0030.00525.66
8.1.110.0040.00425.66
8.1.100.0080.00025.66
8.1.90.0000.00825.66
8.1.80.0080.00025.66
8.1.70.0040.00425.66
8.1.60.0080.00025.66
8.1.50.0090.00025.66
8.1.40.0080.00025.66
8.1.30.0040.00425.66
8.1.20.0080.00025.66
8.1.10.0050.00325.66
8.1.00.0050.00325.66

preferences:
37.15 ms | 1052 KiB | 5 Q