3v4l.org

run code in 300+ PHP versions simultaneously
<?php $menu = array( array(1,3,'Wurm 1.1', 2, 10), array(2,6,'Vogel 2.1', 2, 30), array(3,0,'Tiger 1', 1, 10), array(4,6,'Hund 2.2', 2, 40), array(5,3,'Katze 1.2', 2, 11), array(6,0,'Pferd 2', 1, 20), array(7,1,'Baer 1.1.1', 3, 0), array(8,3,'Schwein 1.3', 2, 12), array(9,4,'Esel 2.2.1', 3, 0), ); // Algorithmus hier /* steps: 1. sort items by levelId and sortId - finished 2. get max levelId value 'x' = iterations - ...that seems to be not the way to go. better way would be recursion for each element and search for children belonging to the current menuId.... 3. ... */ $result = array(); foreach ($menu as $key => $row){ $levelId[$key] = $row[3]; $sortId[$key] = $row[4]; } array_multisort($levelId, SORT_DESC, $sortId, SORT_DESC, $menu); $levels = $menu[0][3]; echo count($menu) . " items\n"; echo $levels . " levels\n"; function getChild($list){ foreach ($list as $entry){ if ($entry[1] == $list[0]){ array_push($entry, $target); } } } getChild($menu[8]); var_dump($result); $target = array( array(3,0,'Tiger 1', 1, 10), array(1,3,'Wurm 1.1', 2, 10), array(7,1,'Baer 1.1.1', 3, 0), array(5,3,'Katze 1.2', 2, 11), array(8,3,'Schwein 1.3', 2, 12), array(6,0,'Pferd 2', 1, 20), array(2,6,'Vogel 2.1', 2, 30), array(4,6,'Hund 2.2', 2, 40), array(9,4,'Esel 2.2.1', 3, 0), ); //var_dump($result == $target); //var_dump($result);

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)
8.3.40.0120.00618.82
8.3.30.0130.00318.90
8.3.20.0080.00018.91
8.3.10.0000.00821.80
8.3.00.0040.00420.80
8.2.170.0090.00922.96
8.2.160.0060.00920.43
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00020.93
8.2.120.0030.00526.35
8.2.110.0090.00019.39
8.2.100.0060.00617.91
8.2.90.0040.00419.21
8.2.80.0060.00317.97
8.2.70.0090.00019.23
8.2.60.0040.00417.93
8.2.50.0040.00418.34
8.2.40.0030.00520.49
8.2.30.0000.00719.24
8.2.20.0000.00718.30
8.2.10.0070.00018.24
8.2.00.0040.00417.76
8.1.270.0050.00323.98
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0060.00319.27
8.1.230.0070.00420.31
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00817.35
8.1.180.0030.00618.10
8.1.170.0030.00618.50
8.1.160.0070.00320.72
8.1.150.0000.00822.12
8.1.140.0080.00019.66
8.1.130.0030.00317.61
8.1.120.0070.00017.54
8.1.110.0000.00717.51
8.1.100.0000.00817.37
8.1.90.0030.00517.48
8.1.80.0040.00417.39
8.1.70.0030.00317.49
8.1.60.0000.00817.53
8.1.50.0000.00817.45
8.1.40.0080.00017.53
8.1.30.0080.00017.61
8.1.20.0040.00417.64
8.1.10.0000.00717.55
8.1.00.0040.00417.47
8.0.300.0110.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.39
8.0.270.0040.00417.21
8.0.260.0070.00017.16
8.0.250.0070.00017.10
8.0.240.0030.00517.04
8.0.230.0000.00716.93
8.0.220.0000.00716.92
8.0.210.0070.00016.99
8.0.200.0030.00316.92
8.0.190.0040.00416.98
8.0.180.0040.00417.01
8.0.170.0040.00416.92
8.0.160.0040.00416.97
8.0.150.0030.00317.04
8.0.140.0040.00416.92
8.0.130.0030.00313.46
8.0.120.0040.00416.99
8.0.110.0000.00716.79
8.0.100.0000.00716.84
8.0.90.0040.00416.79
8.0.80.0060.00917.05
8.0.70.0000.00716.98
8.0.60.0050.00216.89
8.0.50.0000.00717.01
8.0.30.0100.00817.13
8.0.20.0090.01317.40
8.0.10.0050.00317.02
8.0.00.0220.00316.84
7.4.330.0000.00515.55
7.4.320.0060.00016.56
7.4.300.0060.00016.61
7.4.290.0030.00316.52
7.4.280.0050.00216.55
7.4.270.0040.00416.49
7.4.260.0040.00716.51
7.4.250.0030.00316.55
7.4.240.0030.00316.65
7.4.230.0020.00516.66
7.4.220.0180.00016.69
7.4.210.0040.01116.54
7.4.200.0000.00716.74
7.4.160.0070.01016.45
7.4.150.0130.01017.40
7.4.140.0130.00717.86
7.4.130.0130.00716.70
7.4.120.0100.00916.54
7.4.110.0050.01116.49
7.4.100.0060.01216.82
7.4.90.0100.00716.54
7.4.80.0090.00919.39
7.4.70.0050.01116.65
7.4.60.0060.00916.78
7.4.50.0060.00916.39
7.4.40.0130.00316.50
7.4.30.0120.00316.47
7.4.10.0070.00714.98
7.4.00.0070.01115.10
7.3.330.0040.00413.34
7.3.320.0000.00613.16
7.3.310.0020.00516.27
7.3.300.0000.00716.30
7.3.290.0090.00416.38
7.3.280.0070.01116.33
7.3.270.0140.00417.40
7.3.260.0000.01716.62
7.3.250.0090.00916.45
7.3.240.0130.00616.42
7.3.230.0070.01016.39
7.3.210.0080.00816.60
7.3.200.0030.01616.42
7.3.190.0130.00816.50
7.3.180.0110.01016.68
7.3.170.0080.01116.53
7.3.160.0100.01316.60
7.3.130.0070.01314.89
7.3.120.0040.01114.83
7.3.110.0120.00315.05
7.3.100.0130.00314.77
7.3.90.0070.01014.55
7.3.80.0000.00914.63
7.3.70.0000.01114.78
7.3.60.0100.00314.61
7.3.50.0030.01214.84
7.3.40.0000.01014.80
7.3.30.0060.00614.87
7.3.20.0110.00616.53
7.3.10.0040.00816.77
7.3.00.0060.00916.77
7.2.330.0090.00916.74
7.2.320.0000.01616.69
7.2.310.0100.00716.48
7.2.300.0130.00916.47
7.2.290.0100.00716.59
7.2.260.0030.01715.00
7.2.250.0040.01514.71
7.2.240.0000.01514.96
7.2.230.0070.01115.00
7.2.220.0060.00915.28
7.2.210.0040.01115.08
7.2.200.0030.00614.86
7.2.190.0100.00614.79
7.2.180.0070.01015.16
7.2.170.0070.00715.19
7.2.160.0030.01015.19
7.2.150.0000.01216.81
7.2.140.0030.01116.99
7.2.130.0080.00616.78
7.2.120.0080.00816.77
7.2.110.0070.00717.05
7.2.100.0040.01116.79
7.2.90.0030.01316.93
7.2.80.0120.00316.85
7.2.70.0090.00616.81
7.2.60.0050.00816.93
7.2.50.0030.00916.83
7.2.40.0080.00416.95
7.2.30.0040.00817.07
7.2.20.0000.01216.96
7.2.10.0070.00716.96
7.2.00.0070.00718.08
7.1.330.0030.01015.82
7.1.320.0090.00615.79
7.1.310.0030.00915.93
7.1.300.0040.01215.58
7.1.290.0000.01315.87
7.1.280.0030.00715.66
7.1.270.0040.00715.85
7.1.260.0040.00815.84
7.1.250.0070.00715.77
7.1.240.0090.00615.95
7.1.230.0030.00615.80
7.1.220.0030.00615.92
7.1.210.0040.00415.61
7.1.200.0020.00815.73
7.1.190.0060.01015.71
7.1.180.0040.00415.69
7.1.170.0070.00415.95
7.1.160.0070.00415.72
7.1.150.0040.00715.96
7.1.140.0070.00415.79
7.1.130.0040.00715.98
7.1.120.0030.00815.91
7.1.110.0110.00015.89
7.1.100.0070.00415.77
7.1.90.0070.00416.01
7.1.80.0100.00015.70
7.1.70.0070.00616.52
7.1.60.0060.00416.35
7.1.50.0070.00315.82
7.1.40.0030.00715.87
7.1.30.0040.00715.77
7.1.20.0100.00015.92
7.1.10.0040.00715.92
7.1.00.0030.04219.23
7.0.330.0000.00815.47
7.0.320.0060.00315.59
7.0.310.0040.00415.36
7.0.300.0100.00015.61
7.0.290.0070.00315.43
7.0.280.0070.00415.51
7.0.270.0040.00715.52
7.0.260.0030.00715.18
7.0.250.0030.00715.42
7.0.240.0050.00515.54
7.0.230.0030.00715.45
7.0.220.0050.00515.41
7.0.210.0030.00715.42
7.0.200.0220.00314.94
7.0.190.0000.01015.23
7.0.180.0040.00715.27
7.0.170.0040.00715.59
7.0.160.0100.00015.46
7.0.150.0030.00715.42
7.0.140.0000.01015.13
7.0.130.0080.02818.70
7.0.120.0060.03118.74
7.0.110.0050.03418.67
7.0.100.0030.04518.75
7.0.90.0070.03718.82
7.0.80.0070.03018.69
7.0.70.0050.03018.86
7.0.60.0100.02818.86
7.0.50.0030.03418.71
7.0.40.0030.03717.83
7.0.30.0060.02917.84
7.0.20.0050.03017.81
7.0.10.0070.02817.71
7.0.00.0020.03317.84
5.6.400.0090.00314.79
5.6.390.0000.01714.53
5.6.380.0030.00914.79
5.6.370.0030.01014.70
5.6.360.0040.00714.62
5.6.350.0040.00814.77
5.6.340.0040.00814.66
5.6.330.0060.00614.73
5.6.320.0000.01114.46
5.6.310.0000.01214.41
5.6.300.0000.01114.72
5.6.290.0070.00414.50
5.6.280.0120.02517.78
5.6.270.0020.03517.71
5.6.260.0080.03017.93
5.6.250.0080.03017.64
5.6.240.0120.02717.69
5.6.230.0080.03917.83
5.6.220.0090.02717.65
5.6.210.0090.03117.73
5.6.200.0060.03117.68
5.6.190.0080.04017.63
5.6.180.0070.03017.65
5.6.170.0070.02817.63
5.6.160.0040.03117.74
5.6.150.0080.02917.60
5.6.140.0020.03417.77
5.6.130.0020.03417.81
5.6.120.0070.03517.76
5.6.110.0080.03517.65
5.6.100.0070.03317.73
5.6.90.0030.03217.70
5.6.80.0070.03017.28
5.6.70.0030.03217.17
5.6.60.0080.02917.31
5.6.50.0050.03217.39
5.6.40.0050.03117.26
5.6.30.0070.03217.36
5.6.20.0100.02717.25
5.6.10.0110.02817.36
5.6.00.0020.03117.28

preferences:
57.16 ms | 400 KiB | 5 Q