3v4l.org

run code in 300+ PHP versions simultaneously
<?php $yourArray = [ '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'], ], ]; $newArray = array(); # start by sorting users $yourArray = ksort($yourArray); # then sort sub items foreach($yourArray as $user=>$theirItems) { $theirItems = ksort($theirItems); # assuming you still want to sort by key; $newArray[$user] = $theirItems; } var_dump($newArray);

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)
8.5.30.0020.00519.61
8.5.20.0120.00521.70
8.5.10.0040.00316.49
8.5.00.0130.00820.07
8.4.180.0110.01119.55
8.4.170.0060.01723.88
8.4.160.0140.00923.04
8.4.150.0090.00516.76
8.4.140.0120.01017.38
8.4.130.0050.00417.59
8.4.120.0140.00624.11
8.4.110.0110.01018.61
8.4.100.0130.00917.77
8.4.90.0090.01120.43
8.4.80.0100.00620.38
8.4.70.0030.00518.07
8.4.60.0180.00418.76
8.4.50.0130.00818.67
8.4.40.0190.00017.61
8.4.30.0070.01118.95
8.4.20.0030.01617.84
8.4.10.0060.01019.36
8.3.300.0140.00618.42
8.3.290.0110.01018.44
8.3.280.0160.00518.29
8.3.270.0120.00716.89
8.3.260.0090.01016.78
8.3.250.0120.00718.86
8.3.240.0110.00917.37
8.3.230.0110.00716.96
8.3.220.0030.00418.79
8.3.210.0040.00316.97
8.3.200.0040.00516.83
8.3.190.0050.00516.94
8.3.180.0050.00316.73
8.3.170.0120.00620.50
8.3.160.0120.00618.82
8.3.150.0110.00717.23
8.3.140.0030.00716.65
8.3.130.0030.00516.75
8.3.120.0030.00620.73
8.3.110.0090.00320.94
8.3.100.0050.00516.50
8.3.90.0040.01218.53
8.3.80.0000.00818.56
8.3.70.0120.00616.88
8.3.60.0100.00718.55
8.3.50.0140.00716.92
8.3.40.0060.00821.98
8.3.30.0140.00722.13
8.3.20.0130.00725.66
8.3.10.0080.01025.66
8.3.00.0100.00825.66
8.2.300.0130.01318.14
8.2.290.0050.00517.42
8.2.280.0070.01318.45
8.2.270.0180.00017.03
8.2.260.0090.00616.84
8.2.250.0040.00418.32
8.2.240.0070.00718.90
8.2.230.0100.00022.58
8.2.220.0000.00924.06
8.2.210.0040.00426.77
8.2.200.0030.00616.88
8.2.190.0100.00716.58
8.2.180.0090.00616.88
8.2.170.0110.00418.91
8.2.160.0040.01122.96
8.2.150.0140.00625.66
8.2.140.0070.01025.66
8.2.130.0090.00825.66
8.2.120.0130.00725.66
8.2.110.0150.00225.66
8.2.100.0070.01425.66
8.2.90.0110.00725.66
8.2.80.0070.01025.66
8.2.70.0130.00725.66
8.2.60.0080.01025.66
8.2.50.0090.00925.66
8.2.40.0100.01025.66
8.2.30.0040.00925.66
8.2.20.0070.00525.66
8.2.10.0090.00325.66
8.2.00.0110.00325.66
8.1.340.0180.00417.53
8.1.330.0130.00516.04
8.1.320.0090.01115.96
8.1.310.0050.00318.57
8.1.300.0060.01220.25
8.1.290.0060.00318.88
8.1.280.0110.00425.92
8.1.270.0140.00225.66
8.1.260.0100.00425.66
8.1.250.0090.00725.66
8.1.240.0040.00425.66
8.1.230.0070.00225.66
8.1.220.0040.00425.66
8.1.210.0080.00525.66
8.1.200.0110.00625.66
8.1.190.0070.01025.66
8.1.180.0080.00825.66
8.1.170.0060.00225.66
8.1.160.0020.00625.66
8.1.150.0040.00425.66
8.1.140.0100.00225.66
8.1.130.0030.00525.66
8.1.120.0050.00725.66
8.1.110.0040.00425.66
8.1.100.0070.00525.66
8.1.90.0040.00425.66
8.1.80.0040.00425.66
8.1.70.0040.00425.66
8.1.60.0040.00425.66
8.1.50.0030.00525.66
8.1.40.0060.00325.66
8.1.30.0040.00425.66
8.1.20.0060.00325.66
8.1.10.0010.00725.66
8.1.00.0050.00325.66
8.0.300.0040.00425.66
8.0.290.0110.00425.66
8.0.280.0060.00925.66
8.0.270.0090.00025.66
8.0.260.0050.00925.66
8.0.250.0040.00425.66
8.0.240.0140.00025.66
8.0.230.0100.00325.66
8.0.220.0080.00325.66
8.0.210.0040.01125.66
8.0.200.0070.00225.66
8.0.190.0090.00625.66
8.0.180.0000.00825.66
8.0.170.0110.00425.66
8.0.160.0000.00825.66
8.0.150.0150.00025.66
8.0.140.0080.00825.66
8.0.130.0140.00025.66
8.0.120.0120.00325.66
8.0.110.0060.00325.66
8.0.100.0120.00025.66
8.0.90.0120.00325.66
8.0.80.0030.00625.66
8.0.70.0080.00025.66
8.0.60.0110.00325.66
8.0.50.0100.00325.66
8.0.30.0040.00425.66
8.0.20.0040.00425.66
8.0.10.0090.00425.66
8.0.00.0050.00525.66
7.4.330.0080.00525.66
7.4.320.0170.00025.66
7.4.300.0170.00025.66
7.4.290.0170.00025.66
7.4.280.0110.00625.66
7.4.270.0180.00025.66
7.4.260.0250.00525.66
7.4.250.0090.00925.66
7.4.240.0160.00025.66
7.4.230.0260.00325.66
7.4.220.0130.00425.66
7.4.210.0080.00825.66
7.4.200.0150.00925.66
7.4.190.0130.00325.66
7.4.180.0260.01025.66
7.4.160.0190.01325.66
7.4.150.0200.00625.66
7.4.140.0100.00725.66
7.4.130.0180.00725.66
7.4.120.0100.01025.66
7.4.110.0130.00325.66
7.4.100.0130.00325.66
7.4.90.0160.00025.66
7.4.80.0090.00625.66
7.4.70.0100.00525.66
7.4.60.0080.00825.66
7.4.50.0120.00425.66
7.4.40.0100.00625.66
7.4.30.0140.00325.66
7.4.20.0190.00525.66
7.4.10.0190.01625.66
7.4.00.0230.01225.66
7.3.330.0310.00325.66
7.3.320.0310.00325.66
7.3.310.0260.00925.66
7.3.300.0240.00925.66
7.3.290.0300.00325.66
7.3.280.0150.00825.66
7.3.270.0150.00025.66
7.3.260.0130.00325.66
7.3.250.0130.00325.66
7.3.240.0120.00425.66
7.3.230.0120.00325.66
7.3.220.0160.00025.66
7.3.210.0080.00825.66
7.3.200.0110.00525.66
7.3.190.0140.00325.66
7.3.180.0120.00425.66
7.3.170.0090.00625.66
7.3.160.0100.00725.66
7.3.150.0130.00325.66
7.3.140.0170.00025.66
7.3.130.0130.00325.66
7.3.120.0200.00025.66
7.3.110.0110.00525.66
7.3.100.0160.00025.66
7.3.90.0080.00825.66
7.3.80.0160.00025.66
7.3.70.0160.00025.66
7.3.60.0160.00025.66
7.3.50.0130.00325.66
7.3.40.0120.00325.66
7.3.30.0120.00425.66
7.3.20.0180.00025.66
7.3.10.0140.00225.66
7.3.00.0100.00725.66
7.2.340.0120.00425.66
7.2.330.0210.00025.66
7.2.320.0160.00025.66
7.2.310.0110.00425.66
7.2.300.0110.00525.66
7.2.290.0130.00325.66
7.2.280.0160.00025.66
7.2.270.0160.00025.66
7.2.260.0130.00325.66
7.2.250.0130.00325.66
7.2.240.0080.00825.66
7.2.230.0170.00025.66
7.2.220.0120.00325.66
7.2.210.0130.00325.66
7.2.200.0230.00625.66
7.2.190.0220.00625.66
7.2.180.0200.00625.66
7.2.170.0210.00725.66
7.2.160.0050.01025.66
7.2.150.0150.00325.66
7.2.140.0150.00725.66
7.2.130.0140.00525.66
7.2.120.0170.00025.66
7.2.110.0150.00325.66
7.2.100.0170.00025.66
7.2.90.0100.00725.66
7.2.80.0130.00425.66
7.2.70.0100.00725.66
7.2.60.0160.00225.66
7.2.50.0130.00425.66
7.2.40.0120.00425.66
7.2.30.0120.00625.66
7.2.20.0130.00425.66
7.2.10.0120.01025.66
7.2.00.0140.00325.66
7.1.330.0150.00025.66
7.1.320.0120.00325.66
7.1.310.0150.00025.66
7.1.300.0130.00325.66
7.1.290.0150.00025.66
7.1.280.0080.00825.66
7.1.270.0090.00525.66
7.1.260.0100.00625.66
7.1.250.0120.00425.66
7.1.240.0070.00725.66
7.1.230.0040.01325.66
7.1.220.0160.00025.66
7.1.210.0120.00325.66
7.1.200.0160.00025.66
7.1.190.0150.00025.66
7.1.180.0150.00025.66
7.1.170.0150.00025.66
7.1.160.0160.00025.66
7.1.150.0170.00725.66
7.1.140.0160.01925.66
7.1.130.0240.00325.66
7.1.120.0250.00325.66
7.1.110.0080.00825.66
7.1.100.0100.00525.66
7.1.90.0090.00625.66
7.1.80.0100.00525.66
7.1.70.0120.00325.66
7.1.60.0160.00025.66
7.1.50.0100.00525.66
7.1.40.0280.00425.66
7.1.30.0210.00325.66
7.1.20.0170.00725.66
7.1.10.0270.00025.66
7.1.00.0230.00325.66
7.0.330.0100.00525.66
7.0.320.0140.00025.66
7.0.310.0280.00325.66
7.0.300.0220.00925.66
7.0.290.0260.00725.66
7.0.280.0250.00725.66
7.0.270.0230.00425.66
7.0.260.0190.01325.66
7.0.250.0190.01325.66
7.0.240.0250.00325.66
7.0.230.0180.00425.66
7.0.220.0150.00025.66
7.0.210.0210.00625.66
7.0.200.0180.00725.66
7.0.190.0140.00725.66
7.0.180.0120.00225.66
7.0.170.0120.00325.66
7.0.160.0120.00325.66
7.0.150.0150.00025.66
7.0.140.0160.00025.66
7.0.130.0100.00525.66
7.0.120.0160.00325.66
7.0.110.0190.00025.66
7.0.100.0090.00625.66
7.0.90.0080.00325.66
7.0.80.0110.00425.66
7.0.70.0000.01025.66
7.0.60.0060.00325.66
7.0.50.0080.00325.66
7.0.40.0060.00325.66
7.0.30.0040.00425.66
7.0.20.0090.00525.66
7.0.10.0150.00025.66
7.0.00.0060.00325.66
5.6.400.0070.03725.66
5.6.390.0030.03825.66
5.6.380.0130.02925.66
5.6.370.0110.03025.66
5.6.360.0130.02925.66
5.6.350.0030.03825.66
5.6.340.0030.03825.66
5.6.330.0130.02925.66
5.6.320.0060.03525.66
5.6.310.0100.03225.66
5.6.300.0280.04925.66
5.6.290.0100.04425.66
5.6.280.0110.03225.66
5.6.270.0040.03725.66
5.6.260.0100.03125.66
5.6.250.0070.03325.66
5.6.240.0110.03025.66
5.6.230.0110.04325.66
5.6.220.0200.04325.66
5.6.210.0160.05125.66
5.6.200.0150.02525.66
5.6.190.0200.04625.66
5.6.180.0150.02525.66
5.6.170.0090.03225.66
5.6.160.0070.06325.66
5.6.150.0100.05125.66
5.6.140.0150.02625.66
5.6.130.0150.05125.66
5.6.120.0100.05925.66
5.6.110.0160.02925.66
5.6.100.0150.02625.66
5.6.90.0160.02625.66
5.6.80.0100.02725.66
5.6.70.0070.03225.66
5.6.60.0100.03025.66
5.6.50.0070.03125.66
5.6.40.0070.03325.66
5.6.30.0030.08325.66
5.6.20.0140.02425.66
5.6.10.0070.03325.66
5.6.00.0100.03025.66
5.5.380.0040.03925.66
5.5.370.0170.05225.66
5.5.360.0100.03925.66
5.5.350.0030.03825.66
5.5.340.0070.03425.66
5.5.330.0060.03425.66
5.5.320.0200.06825.66
5.5.310.0110.03525.66
5.5.300.0070.03725.66
5.5.290.0160.02525.66
5.5.280.0100.06425.66
5.5.270.0180.05925.66
5.5.260.0170.05525.66
5.5.250.0260.06125.66
5.5.240.0130.02625.66
5.5.230.0100.03125.66
5.5.220.0150.02625.66
5.5.210.0100.05025.66
5.5.200.0080.03125.66
5.5.190.0070.03425.66
5.5.180.0200.06625.66
5.5.170.0100.03325.66
5.5.160.0100.03525.66
5.5.150.0090.03125.66
5.5.140.0100.03125.66
5.5.130.0060.03625.66
5.5.120.0030.03825.66
5.5.110.0190.02325.66
5.5.100.0190.06825.66
5.5.90.0160.03225.66
5.5.80.0150.02525.66
5.5.70.0250.02825.66
5.5.60.0130.03025.66
5.5.50.0090.03125.66
5.5.40.0110.02825.66
5.5.30.0120.02725.66
5.5.20.0170.06825.66
5.5.10.0130.06025.66
5.5.00.0190.02925.66
5.4.450.0070.03325.66
5.4.440.0170.03525.66
5.4.430.0170.03125.66
5.4.420.0100.05025.66
5.4.410.0130.06525.66
5.4.400.0130.05925.66
5.4.390.0140.04925.66
5.4.380.0090.04325.66
5.4.370.0070.03025.66
5.4.360.0070.03025.66
5.4.350.0060.03025.66
5.4.340.0030.03325.66
5.4.330.0070.02925.66
5.4.320.0100.05425.66
5.4.310.0040.03225.66
5.4.300.0070.05225.66
5.4.290.0070.03325.66
5.4.280.0070.03125.66
5.4.270.0060.03025.66
5.4.260.0070.02925.66
5.4.250.0090.02825.66
5.4.240.0130.02525.66
5.4.230.0100.02625.66
5.4.220.0030.03125.66
5.4.210.0040.03225.66
5.4.200.0060.02925.66
5.4.190.0070.03025.66
5.4.180.0200.06225.66
5.4.170.0040.03225.66
5.4.160.0180.01825.66
5.4.150.0070.02925.66
5.4.140.0030.03425.66
5.4.130.0100.07025.66
5.4.120.0170.03625.66
5.4.110.0100.05125.66
5.4.100.0180.01825.66
5.4.90.0130.03025.66
5.4.80.0100.03725.66
5.4.70.0030.03425.66
5.4.60.0030.03425.66
5.4.50.0070.02925.66
5.4.40.0140.02425.66
5.4.30.0130.02425.66
5.4.20.0070.03825.66
5.4.10.0130.02325.66
5.4.00.0100.02625.66
5.3.290.0190.03725.66
5.3.280.0030.03525.66
5.3.270.0070.02925.66
5.3.260.0110.02625.66
5.3.250.0030.05225.66
5.3.240.0190.03225.66
5.3.230.0140.05925.66
5.3.220.0070.03025.66
5.3.210.0200.05325.66
5.3.200.0140.02425.66
5.3.190.0070.03225.66
5.3.180.0070.03625.66
5.3.170.0140.03425.66
5.3.160.0120.02525.66
5.3.150.0070.02925.66
5.3.140.0100.02925.66
5.3.130.0100.02625.66
5.3.120.0120.02525.66
5.3.110.0130.03025.66
5.3.100.0250.01925.66
5.3.90.0190.01925.66
5.3.80.0130.02225.66
5.3.70.0060.02725.66
5.3.60.0100.02425.66
5.3.50.0170.01725.66
5.3.40.0100.02625.66
5.3.30.0130.02225.66
5.3.20.0030.03125.66
5.3.10.0170.01725.66
5.3.00.0030.03025.66
5.2.170.0030.05125.66
5.2.160.0030.02725.66
5.2.150.0090.02025.66
5.2.140.0130.01625.66
5.2.130.0190.03825.66
5.2.120.0090.02225.66
5.2.110.0060.02225.66
5.2.100.0070.02125.66
5.2.90.0060.02225.66
5.2.80.0090.02125.66
5.2.70.0130.01625.66
5.2.60.0120.01825.66
5.2.50.0070.02125.66
5.2.40.0070.02125.66
5.2.30.0070.02125.66
5.2.20.0100.01725.66
5.2.10.0060.02125.66
5.2.00.0170.04725.66
5.1.60.0120.02525.66
5.1.50.0030.02225.66
5.1.40.0070.03825.66
5.1.30.0070.02725.66
5.1.20.0040.02125.66
5.1.10.0090.01525.66
5.1.00.0060.01825.66
5.0.50.0000.01925.66
5.0.40.0030.01725.66
5.0.30.0000.02825.66
5.0.20.0060.01325.66
5.0.10.0080.01125.66
5.0.00.0070.02025.66
4.4.90.0030.01025.66
4.4.80.0100.02425.66
4.4.70.0030.01425.66
4.4.60.0070.02125.66
4.4.50.0040.01425.66
4.4.40.0000.02225.66
4.4.30.0000.01425.66
4.4.20.0040.00925.66
4.4.10.0030.01025.66
4.4.00.0000.02025.66
4.3.110.0000.01425.66
4.3.100.0050.00825.66
4.3.90.0000.01425.66
4.3.80.0040.01525.66
4.3.70.0050.00825.66
4.3.60.0040.00825.66
4.3.50.0070.00725.66
4.3.40.0030.01625.66
4.3.30.0030.01025.66
4.3.20.0040.01125.66
4.3.10.0000.01425.66
4.3.00.0000.01425.66

preferences:
94.37 ms | 2707 KiB | 5 Q