3v4l.org

run code in 300+ PHP versions simultaneously
<?php $main = array( array('Women', 'Acces', 'Belts'), array('Women', 'Acces', 'Bangels'), array('Women', 'Top', 'T-Shirts') ); echo "<pre>"; print_r($main); $max_level = 0; foreach($main as $data){ $max_level = count($data); foreach($data as $k => $v) { $level = "lev_$k"; if(!is_array($$level)){ $$level = array(); } $index = array_search($v, $$level); if($index === false){ if($k == 0){ $$level[] = $v; } else { $$parent = "lev_" . ($k-1); if(!is_array($$parent)){ $$parent = array(); } $parent_index = array_search($data[$k-1], $$parent); if($parent_index){ $$level[$parent_index] = $v; } } } } } for($i = 0;$i< $max_level;$i++){ $level = "lev_$i"; print_r($$level); }

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)
8.3.60.0040.01116.50
8.3.50.0140.00718.08
8.3.40.0120.00318.75
8.3.30.0110.00418.79
8.3.20.0080.00020.21
8.3.10.0040.00423.53
8.3.00.0080.00022.46
8.2.180.0070.00716.75
8.2.170.0140.00722.96
8.2.160.0130.00319.45
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00722.27
8.2.120.0080.00026.35
8.2.110.0030.00620.93
8.2.100.0080.00317.97
8.2.90.0030.00619.35
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0030.00517.80
8.2.50.0040.00418.10
8.2.40.0060.00320.59
8.2.30.0000.00719.24
8.2.20.0040.00417.81
8.2.10.0000.00818.14
8.2.00.0000.00817.81
8.1.280.0030.01625.92
8.1.270.0090.00023.84
8.1.260.0030.00628.09
8.1.250.0050.00228.09
8.1.240.0070.00320.90
8.1.230.0080.00417.45
8.1.220.0080.00017.74
8.1.210.0090.00018.77
8.1.200.0000.00917.23
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0000.00722.16
8.1.150.0000.00718.81
8.1.140.0070.00019.60
8.1.130.0070.00017.59
8.1.120.0030.00517.42
8.1.110.0040.00417.36
8.1.100.0000.00817.36
8.1.90.0000.00717.39
8.1.80.0060.00317.39
8.1.70.0000.00717.45
8.1.60.0040.00417.50
8.1.50.0040.00417.46
8.1.40.0050.00317.55
8.1.30.0060.00317.70
8.1.20.0090.00017.66
8.1.10.0000.00717.47
8.1.00.0000.00817.55
8.0.300.0080.00018.77
8.0.290.0000.00816.63
8.0.280.0070.00018.39
8.0.270.0030.00317.28
8.0.260.0000.00617.31
8.0.250.0030.00317.05
8.0.240.0070.00017.07
8.0.230.0040.00416.90
8.0.220.0040.00416.95
8.0.210.0070.00016.96
8.0.200.0060.00316.92
8.0.190.0040.00417.05
8.0.180.0040.00416.96
8.0.170.0070.00017.02
8.0.160.0000.00717.02
8.0.150.0050.00216.93
8.0.140.0000.01016.98
8.0.130.0050.00013.40
8.0.120.0000.00816.95
8.0.110.0000.00816.86
8.0.100.0000.00716.84
8.0.90.0040.00416.96
8.0.80.0130.00916.95
8.0.70.0040.00417.09
8.0.60.0000.00816.94
8.0.50.0000.00717.00
8.0.30.0080.01317.04
8.0.20.0100.00917.40
8.0.10.0000.00816.93
8.0.00.0120.00916.73
7.4.330.0000.00515.12
7.4.320.0000.00716.45
7.4.300.0000.00716.52
7.4.290.0050.00216.51
7.4.280.0000.00716.49
7.4.270.0030.00316.49
7.4.260.0000.00716.51
7.4.250.0070.00016.64
7.4.240.0080.00016.53
7.4.230.0030.00316.65
7.4.220.0090.01616.44
7.4.210.0180.00316.71
7.4.200.0000.00716.60
7.4.160.0090.00716.48
7.4.150.0180.00017.40
7.4.140.0140.00317.86
7.4.130.0060.01116.49
7.4.120.0080.01316.69
7.4.110.0170.00316.57
7.4.100.0110.00716.58
7.4.90.0130.00416.57
7.4.80.0090.00919.39
7.4.70.0060.01016.43
7.4.60.0070.01016.80
7.4.50.0030.01216.38
7.4.40.0100.00716.50
7.4.30.0100.01016.46
7.4.00.0090.00614.97
7.3.330.0000.00613.25
7.3.320.0040.00413.25
7.3.310.0050.00316.37
7.3.300.0000.00716.37
7.3.290.0080.00716.38
7.3.280.0050.01316.42
7.3.270.0090.00917.40
7.3.260.0100.01016.58
7.3.250.0110.00916.49
7.3.240.0120.00716.58
7.3.230.0150.00616.39
7.3.210.0140.00616.64
7.3.200.0060.01116.29
7.3.190.0130.00316.57
7.3.180.0150.00616.45
7.3.170.0160.00616.42
7.3.160.0100.00716.48
7.2.330.0130.00616.49
7.2.320.0160.00316.43
7.2.310.0040.01416.76
7.2.300.0100.01016.50
7.2.290.0100.00716.38
7.2.60.0000.01116.70
7.2.00.0000.00819.63
7.1.200.0120.00015.88
7.1.100.0180.00617.64
7.1.70.0030.00617.05
7.1.60.0110.01117.23
7.1.50.0120.01216.60
7.1.00.0030.07722.37
7.0.200.0220.00614.75
7.0.100.2370.07020.04
7.0.90.0770.06320.01
7.0.80.3000.07719.96
7.0.70.0100.09020.11
7.0.60.0170.08020.01
7.0.50.0700.07720.24
7.0.40.2430.06720.33
7.0.30.5470.07020.29
7.0.20.3630.06020.44
7.0.10.2430.07020.21
7.0.00.1970.07020.31
5.6.250.0130.07320.67
5.6.240.0130.06020.78
5.6.230.0170.07320.61
5.6.220.0130.08320.65
5.6.210.0170.08320.69
5.6.200.0200.06021.10
5.6.190.0170.07721.06
5.6.180.0230.08021.09
5.6.170.0200.05721.14
5.6.160.0200.06321.02
5.6.150.0130.05721.05
5.6.140.0230.05321.07
5.6.130.0200.05721.08
5.6.120.0130.07321.02
5.6.110.0170.06021.07
5.6.100.0170.06021.01
5.6.90.0170.09021.04
5.6.80.0200.07320.46
5.6.70.0200.04720.45
5.6.60.0200.05020.43
5.6.50.0070.08320.47
5.6.40.0330.06720.47
5.6.30.0070.06320.36
5.6.20.0230.05720.52
5.6.10.0170.05020.43
5.6.00.0130.06020.52

preferences:
40.84 ms | 401 KiB | 5 Q