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[0]); 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)
8.3.60.0190.00316.75
8.3.50.0090.00616.36
8.3.40.0140.00318.57
8.3.30.0110.00318.84
8.3.20.0050.00318.91
8.3.10.0060.00321.77
8.3.00.0040.00421.02
8.2.180.0140.00316.88
8.2.170.0110.00722.96
8.2.160.0120.00320.29
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.90
8.2.120.0070.00326.35
8.2.110.0070.01020.93
8.2.100.0070.00417.84
8.2.90.0060.00319.22
8.2.80.0040.00417.97
8.2.70.0040.00419.19
8.2.60.0040.00418.16
8.2.50.0050.00218.22
8.2.40.0040.00420.61
8.2.30.0040.00419.22
8.2.20.0030.00618.21
8.2.10.0070.00018.13
8.2.00.0030.00517.66
8.1.280.0090.00625.92
8.1.270.0040.00423.83
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0030.00622.67
8.1.230.0110.00021.90
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0000.00917.36
8.1.190.0050.00317.35
8.1.180.0000.00818.10
8.1.170.0000.00818.53
8.1.160.0030.00620.61
8.1.150.0050.00222.09
8.1.140.0070.00019.67
8.1.130.0030.00317.75
8.1.120.0030.00317.41
8.1.110.0000.00717.41
8.1.100.0040.00417.46
8.1.90.0070.00017.53
8.1.80.0070.00017.37
8.1.70.0000.00717.36
8.1.60.0000.00817.57
8.1.50.0040.00417.59
8.1.40.0000.00917.55
8.1.30.0050.00317.73
8.1.20.0000.00817.59
8.1.10.0040.00417.53
8.1.00.0040.00417.55
8.0.300.0000.00918.77
8.0.290.0070.00016.88
8.0.280.0000.00718.39
8.0.270.0000.00817.20
8.0.260.0000.00617.29
8.0.250.0070.00017.00
8.0.240.0040.00417.03
8.0.230.0070.00017.08
8.0.220.0000.00716.98
8.0.210.0000.00716.96
8.0.200.0030.00317.04
8.0.190.0050.00217.08
8.0.180.0040.00417.07
8.0.170.0060.00316.91
8.0.160.0000.00717.01
8.0.150.0030.00316.94
8.0.140.0030.00316.93
8.0.130.0030.00313.38
8.0.120.0070.00017.05
8.0.110.0050.00316.93
8.0.100.0000.00717.02
8.0.90.0070.00017.07
8.0.80.0090.00616.96
8.0.70.0080.00016.90
8.0.60.0050.00216.82
8.0.50.0040.00417.03
8.0.30.0100.00817.19
8.0.20.0100.01317.40
8.0.10.0000.00817.01
8.0.00.0100.01416.80
7.4.330.0030.00315.55
7.4.320.0060.00016.64
7.4.300.0030.00316.59
7.4.290.0000.00716.61
7.4.280.0040.00416.53
7.4.270.0030.00316.46
7.4.260.0070.00016.57
7.4.250.0000.00716.40
7.4.240.0070.00016.53
7.4.230.0000.00716.43
7.4.220.0090.00916.58
7.4.210.0040.01116.41
7.4.200.0030.00316.52
7.4.160.0070.01216.46
7.4.150.0090.01617.40
7.4.140.0080.01517.86
7.4.130.0090.00916.58
7.4.120.0070.01016.49
7.4.110.0080.00816.58
7.4.100.0060.01316.48
7.4.90.0190.00016.56
7.4.80.0090.01619.39
7.4.70.0120.00416.45
7.4.60.0000.01516.57
7.4.50.0060.00916.61
7.4.40.0130.00916.62
7.4.30.0090.00616.24
7.4.10.0080.01115.12
7.4.00.0060.01014.93
7.3.330.0040.00413.20
7.3.320.0030.00313.45
7.3.310.0000.00716.27
7.3.300.0040.00416.34
7.3.290.0080.00816.35
7.3.280.0090.01116.35
7.3.270.0110.00817.40
7.3.260.0090.00916.69
7.3.250.0120.00816.40
7.3.240.0110.00616.53
7.3.230.0080.00916.58
7.3.210.0140.00316.48
7.3.200.0160.00316.61
7.3.190.0170.00016.45
7.3.180.0030.01316.52
7.3.170.0040.01816.70
7.3.160.0050.01816.40
7.3.130.0070.01214.62
7.3.120.0060.01214.83
7.3.110.0100.00814.72
7.3.100.0060.00714.91
7.3.90.0050.01114.98
7.3.80.0090.00514.94
7.3.70.0070.00714.96
7.3.60.0050.01014.71
7.3.50.0070.00515.03
7.3.40.0060.00814.65
7.3.30.0030.00814.94
7.3.20.0060.00816.65
7.3.10.0090.00616.60
7.3.00.0070.00916.68
7.2.330.0110.00716.57
7.2.320.0060.01616.87
7.2.310.0130.00316.55
7.2.300.0090.01516.55
7.2.290.0040.01216.79
7.2.260.0090.00715.16
7.2.250.0100.00814.92
7.2.240.0090.00715.28
7.2.230.0090.00715.26
7.2.220.0060.01014.90
7.2.210.0040.01115.01
7.2.200.0070.01015.19
7.2.190.0080.00715.11
7.2.180.0090.00315.13
7.2.170.0080.00815.05
7.2.160.0060.00815.10
7.2.150.0050.01017.04
7.2.140.0070.00716.88
7.2.130.0040.00817.06
7.2.120.0030.01116.93
7.2.110.0070.00716.94
7.2.100.0080.00617.04
7.2.90.0080.00716.87
7.2.80.0040.00816.87
7.2.70.0070.00616.92
7.2.60.0080.00317.08
7.2.50.0080.00516.88
7.2.40.0100.00616.95
7.2.30.0070.00717.03
7.2.20.0060.00916.89
7.2.10.0110.00316.93
7.2.00.0060.00917.64
7.1.330.0050.00815.82
7.1.320.0050.00515.92
7.1.310.0050.00915.85
7.1.300.0080.00715.84
7.1.290.0070.00415.72
7.1.280.0070.00515.80
7.1.270.0030.00915.95
7.1.260.0070.00615.89
7.1.250.0050.00715.88
7.1.240.0120.00215.89
7.1.230.0060.00615.85
7.1.220.0020.01115.85
7.1.210.0040.00815.89
7.1.200.0080.00315.92
7.1.190.0060.00415.82
7.1.180.0080.00515.82
7.1.170.0070.00615.75
7.1.160.0020.00815.87
7.1.150.0040.01015.57
7.1.140.0020.01215.80
7.1.130.0040.00715.86
7.1.120.0020.01215.91
7.1.110.0030.01015.74
7.1.100.0030.00815.80
7.1.90.0030.01215.86
7.1.80.0030.00715.81
7.1.70.0040.00816.19
7.1.60.0050.00716.18
7.1.50.0010.00815.84
7.1.40.0050.01015.92
7.1.30.0060.00615.71
7.1.20.0070.00715.90
7.1.10.0060.00915.71
7.1.00.0050.02817.97
7.0.330.0050.01015.40
7.0.320.0050.00715.33
7.0.310.0050.00715.33
7.0.300.0030.00715.39
7.0.290.0020.01215.35
7.0.280.0020.01315.22
7.0.270.0060.00515.39
7.0.260.0010.00815.35
7.0.250.0040.00815.32
7.0.240.0050.00615.51
7.0.230.0050.00415.61
7.0.220.0020.01015.33
7.0.210.0070.00715.42
7.0.200.0150.00515.18
7.0.190.0080.00415.46
7.0.180.0020.00915.46
7.0.170.0110.00315.39
7.0.160.0070.00515.54
7.0.150.0060.00515.48
7.0.140.0060.00915.24
7.0.130.0060.02317.66
7.0.120.0060.02317.47
7.0.110.0070.02317.63
7.0.100.0110.02617.77
7.0.90.0050.02417.71
7.0.80.0050.02617.55
7.0.70.0070.02317.67
7.0.60.0080.01917.53
7.0.50.0060.02317.73
7.0.40.0090.01916.21
7.0.30.0060.03116.38
7.0.20.0050.02416.28
7.0.10.0060.02516.31
7.0.00.0060.02616.41
5.6.400.0030.01014.56
5.6.390.0070.00714.19
5.6.380.0050.00914.63
5.6.370.0060.00714.43
5.6.360.0070.00414.36
5.6.350.0030.00814.64
5.6.340.0010.01014.42
5.6.330.0070.00514.63
5.6.320.0050.01114.43
5.6.310.0090.00614.77
5.6.300.0080.00414.51
5.6.290.0050.00814.62
5.6.280.0070.02416.72
5.6.270.0040.02416.64
5.6.260.0010.02816.72
5.6.250.0040.02516.72
5.6.240.0070.02516.58
5.6.230.0060.02616.68
5.6.220.0050.02216.80
5.6.210.0090.01916.56
5.6.200.0060.02416.66
5.6.190.0090.02416.58
5.6.180.0030.03616.55
5.6.170.0120.02216.59
5.6.160.0040.02716.71
5.6.150.0050.02516.62
5.6.140.0040.02416.61
5.6.130.0080.02116.68
5.6.120.0050.02616.73
5.6.110.0050.02216.58
5.6.100.0080.02116.75
5.6.90.0060.02216.51
5.6.80.0080.01916.43
5.6.70.0050.02316.44
5.6.60.0090.02016.33
5.6.50.0080.02016.15
5.6.40.0110.02016.26
5.6.30.0060.02316.32
5.6.20.0030.02516.35
5.6.10.0050.02616.45
5.6.00.0080.02216.29

preferences:
57.72 ms | 401 KiB | 5 Q