3v4l.org

run code in 300+ PHP versions simultaneously
<?php $menu = array( array(1,3,'Wurm 1.1', 2, 10), array(2,6,'Vogel 2.1', 2, 30), array(3,0,'Tiger 1', 1, 10), array(4,6,'Hund 2.2', 2, 40), array(5,3,'Katze 1.2', 2, 11), array(6,0,'Pferd 2', 1, 20), array(7,1,'Baer 1.1.1', 3, 0), array(8,3,'Schwein 1.3', 2, 12), array(9,4,'Esel 2.2.1', 3, 0), ); // Algorithmus hier uasort($menu, function($a,$b) { return $a[1] == $b[1] ? ($a[4] < $b[4] ? -1 : 1) : ($a[1] < $b[1] ? -1 : 1); }); $cache = array(); foreach ($menu as $m) { if (!isset($cache[$m[1]])) { $cache[$m[1]] = array(); } $cache[$m[1]][] = $m; } function m($m, $l, $r) { foreach($m[$l] as $e) { $r[] = $e; if (isset($m[$e[0]])) { $r = m($m, $e[0], $r); } } return $r; } $result = m($cache, 0, array()); //$result = m($menu, 0, array()); print_r($result); print_r($cache); $target = array( array(3,0,'Tiger 1', 1, 10), array(1,3,'Wurm 1.1', 2, 10), array(7,1,'Baer 1.1.1', 3, 0), array(5,3,'Katze 1.2', 2, 11), array(8,3,'Schwein 1.3', 2, 12), array(6,0,'Pferd 2', 1, 20), array(2,6,'Vogel 2.1', 2, 30), array(4,6,'Hund 2.2', 2, 40), array(9,4,'Esel 2.2.1', 3, 0), ); var_dump($result == $target);

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)
8.3.40.0070.00718.66
8.3.30.0070.00718.82
8.3.20.0070.00021.92
8.3.10.0000.00823.62
8.3.00.0050.00318.03
8.2.170.0110.00722.96
8.2.160.0110.00320.39
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0060.00317.50
8.2.110.0100.00021.06
8.2.100.0040.00817.93
8.2.90.0080.00019.34
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0040.00717.93
8.2.50.0000.00818.07
8.2.40.0110.00019.39
8.2.30.0040.00420.64
8.2.20.0000.00817.79
8.2.10.0000.00718.08
8.2.00.0000.00818.10
8.1.270.0130.00623.96
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0070.00321.07
8.1.230.0040.00821.10
8.1.220.0030.00517.76
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0050.00317.23
8.1.180.0060.00318.10
8.1.170.0000.00818.51
8.1.160.0040.00421.96
8.1.150.0070.00018.98
8.1.140.0060.00317.40
8.1.130.0040.00417.69
8.1.120.0040.00417.38
8.1.110.0030.00717.45
8.1.100.0040.00417.49
8.1.90.0030.00517.46
8.1.80.0040.00417.51
8.1.70.0000.00817.46
8.1.60.0030.00617.61
8.1.50.0000.00817.60
8.1.40.0050.00317.54
8.1.30.0050.00317.57
8.1.20.0000.00817.57
8.1.10.0000.00817.59
8.1.00.0040.00417.40
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.39
8.0.270.0000.00817.28
8.0.260.0030.00318.39
8.0.250.0070.00016.98
8.0.240.0000.00716.92
8.0.230.0030.00316.92
8.0.220.0000.00716.92
8.0.210.0000.00716.81
8.0.200.0000.00716.98
8.0.190.0040.00416.92
8.0.180.0060.00316.92
8.0.170.0000.00816.83
8.0.160.0030.00416.94
8.0.150.0000.00816.96
8.0.140.0040.00416.82
8.0.130.0000.00513.36
8.0.120.0040.00416.89
8.0.110.0040.00416.97
8.0.100.0070.00016.99
8.0.90.0040.00416.83
8.0.80.0090.01516.96
8.0.70.0080.00016.83
8.0.60.0000.00716.78
8.0.50.0000.00816.98
8.0.30.0100.00817.23
8.0.20.0100.01517.42
8.0.10.0070.00017.07
8.0.00.0090.01616.85
7.4.330.0000.00515.09
7.4.320.0000.00716.67
7.4.300.0000.00616.46
7.4.290.0000.00816.56
7.4.280.0030.00516.54
7.4.270.0040.00416.56
7.4.260.0070.00016.54
7.4.250.0070.00016.58
7.4.240.0040.00416.67
7.4.230.0030.00316.66
7.4.220.0070.01316.63
7.4.210.0080.00816.66
7.4.200.0000.00716.63
7.4.160.0140.00816.41
7.4.150.0110.00817.40
7.4.140.0120.00617.86
7.4.130.0120.01016.47
7.4.120.0090.01016.55
7.4.110.0200.00016.36
7.4.100.0110.00616.50
7.4.90.0150.00316.58
7.4.80.0030.01519.39
7.4.70.0070.01116.59
7.4.60.0120.00316.43
7.4.50.0050.00316.44
7.4.40.0080.01116.45
7.4.30.0160.00416.70
7.4.00.0070.01015.01
7.3.330.0030.00313.44
7.3.320.0000.00613.35
7.3.310.0050.00216.23
7.3.300.0000.00816.41
7.3.290.0090.00716.36
7.3.280.0060.01216.45
7.3.270.0120.00617.40
7.3.260.0110.00916.66
7.3.250.0110.00916.63
7.3.240.0150.00816.62
7.3.230.0140.00416.52
7.3.210.0090.01216.50
7.3.200.0120.00416.50
7.3.190.0100.00716.73
7.3.180.0110.00616.45
7.3.170.0110.00616.37
7.3.160.0060.01116.42
7.3.120.0030.01315.07
7.3.110.0060.01214.96
7.3.100.0060.00315.08
7.3.90.0070.01314.76
7.3.80.0030.00714.80
7.3.70.0040.01115.02
7.3.60.0030.01314.90
7.3.50.0030.01014.67
7.3.40.0030.00914.82
7.3.30.0050.00514.77
7.3.20.0110.00316.82
7.3.10.0110.00716.46
7.3.00.0100.01016.43
7.2.330.0030.01416.80
7.2.320.0070.01016.85
7.2.310.0120.00616.53
7.2.300.0170.00016.90
7.2.290.0110.01116.81
7.2.250.0030.01615.29
7.2.240.0060.01315.20
7.2.230.0080.00815.11
7.2.220.0080.00315.03
7.2.210.0080.00815.38
7.2.200.0030.00615.31
7.2.190.0060.00915.27
7.2.180.0120.00315.13
7.2.170.0060.00614.80
7.2.130.0090.00916.68
7.2.120.0200.00316.63
7.2.110.0130.00716.21
7.2.100.0060.01516.99
7.2.90.0110.01516.42
7.2.80.0240.00816.57
7.2.70.0120.00816.92
7.2.60.0110.00916.62
7.2.50.0110.00817.02
7.2.40.0110.01516.89
7.2.30.0170.00316.63
7.2.20.0230.00616.86
7.2.10.0120.00416.91
7.2.00.0110.00818.07
7.1.330.0060.00615.60
7.1.320.0000.01215.72
7.1.310.0040.01115.89
7.1.300.0110.00415.88
7.1.290.0050.00515.67
7.1.280.0080.00415.52
7.1.270.0040.00715.88
7.1.260.0030.01015.57
7.1.250.0040.01315.34
7.1.200.0030.00915.78
7.1.100.0070.01118.23
7.1.70.0070.00317.13
7.1.60.0030.02019.50
7.1.50.0070.01616.90
7.1.00.0000.07722.44
7.0.200.0060.00316.59
7.0.60.0100.08019.97
7.0.50.0070.06317.92
7.0.40.0100.03720.30
7.0.30.0230.07020.24
7.0.20.0270.07020.15
7.0.10.0130.07020.30
7.0.00.0030.04320.19
5.6.280.0030.04721.09
5.6.210.0030.09020.57
5.6.200.0030.07718.18
5.6.190.0030.05020.64
5.6.180.0270.08020.52
5.6.170.0300.07320.48
5.6.160.0130.08320.61
5.6.150.0130.07718.17
5.6.140.0030.06318.15
5.6.130.0100.07318.18
5.6.120.0070.03721.05
5.6.110.0070.05321.00
5.6.100.0070.08721.04
5.6.90.0070.07021.10
5.6.80.0170.06720.46
5.5.350.0300.07720.36
5.5.340.0130.07317.97
5.5.330.0070.08320.42
5.5.320.0400.08020.34
5.5.310.0230.08320.30
5.5.300.0000.08718.02
5.5.290.0070.08717.98
5.5.280.0030.07320.67
5.5.270.0070.06020.67
5.5.260.0030.05020.79
5.5.250.0130.05720.69
5.5.240.0070.03320.21
5.4.450.1070.06319.39
5.4.440.1000.07019.31
5.4.430.1100.05319.33
5.4.420.0870.05019.47
5.4.410.0930.05019.42
5.4.400.0830.06319.29
5.4.390.0700.07018.98
5.4.380.1030.06019.13
5.4.370.0730.07019.23
5.4.360.0800.06019.26
5.4.350.0870.07719.29
5.4.340.1070.07019.06
5.4.320.0970.05018.88
5.4.310.0670.07319.29
5.4.300.0970.06719.23
5.4.290.0800.07719.16
5.4.280.0730.06019.14
5.4.270.0700.06318.98
5.4.260.0770.06019.14
5.4.250.0670.06319.12
5.4.240.0870.05019.29
5.4.230.0870.05719.14
5.4.220.0670.07019.23
5.4.210.1130.07318.83
5.4.200.1000.07019.14
5.4.190.0900.06019.27
5.4.180.0900.07018.86
5.4.170.0900.05018.97
5.4.160.0900.04719.00
5.4.150.0770.05719.13
5.4.140.0830.05316.51
5.4.130.0970.03716.49
5.4.120.0670.06016.59
5.4.110.0870.07716.65
5.4.100.0730.06016.63
5.4.90.0800.04716.53
5.4.80.0730.05016.64
5.4.70.0070.03016.62
5.4.60.0130.04316.49
5.4.50.0230.06016.35
5.4.40.0130.04016.39
5.4.30.0070.05316.45
5.4.20.0130.06716.55
5.4.10.0330.05016.57

preferences:
57.12 ms | 400 KiB | 5 Q