3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A1 { public function rows() { $a = array(); $a[] = array('parent_id' => 10, 'category_id' => 13, 'name' => 'id13', 'sort_order' => 7); $a[] = array('parent_id' => 8, 'category_id' => 12, 'name' => 'id12', 'sort_order' => 6); $a[] = array('parent_id' => 7, 'category_id' => 11, 'name' => 'id11', 'sort_order' => 5); $a[] = array('parent_id' => 7, 'category_id' => 10, 'name' => 'id10', 'sort_order' => 4); $a[] = array('parent_id' => 0, 'category_id' => 9, 'name' => 'id9', 'sort_order' => 3); $a[] = array('parent_id' => 0, 'category_id' => 8, 'name' => 'id8', 'sort_order' => 2); $a[] = array('parent_id' => 0, 'category_id' => 7, 'name' => 'id7', 'sort_order' => 1); return $a; } } $query = new A1; $categoryArray = array(); foreach($query->rows() as $row) { if(isset($categoryArray[$row['category_id']])) { $categoryArray[$row['parent_id']][$row['category_id']]['name'] = $row['name']; $categoryArray[$row['parent_id']][$row['category_id']]['elements'] = $categoryArray[$row['category_id']]; unset($categoryArray[$row['category_id']]); } else { $categoryArray[$row['parent_id']][$row['category_id']]['name'] = $row['name']; } } ksort($categoryArray[0]); //echo "first stage \n"; //print_r($categoryArray); // second stage echo "\n\n"; getCategory($categoryArray[0]); function getCategory($array){ foreach($array as $key => $row){ if(isset($row['elements'])) { echo('<li>'.$row['name'].'<ul>'); getCategory($row['elements']); echo('</ul></li>'); } else { echo('<li>'.$row['name'].'</li>'); } } }

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)
8.3.60.0120.00318.22
8.3.50.0040.01321.33
8.3.40.0070.00718.87
8.3.30.0100.00320.34
8.3.20.0040.00420.16
8.3.10.0040.00422.08
8.3.00.0040.00422.52
8.2.180.0070.01116.47
8.2.170.0040.01122.96
8.2.160.0100.00322.16
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.75
8.2.110.0130.01022.15
8.2.100.0080.00417.91
8.2.90.0080.00019.20
8.2.80.0050.00319.40
8.2.70.0030.00617.50
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0050.00319.84
8.2.30.0000.00719.43
8.2.20.0040.00417.90
8.2.10.0080.00017.83
8.2.00.0040.00417.85
8.1.280.0070.01325.92
8.1.270.0070.00023.99
8.1.260.0180.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.83
8.1.230.0070.00419.21
8.1.220.0030.00617.78
8.1.210.0030.00518.77
8.1.200.0040.00417.38
8.1.190.0040.00417.63
8.1.180.0030.00518.98
8.1.170.0000.00918.64
8.1.160.0070.00018.79
8.1.150.0060.00318.63
8.1.140.0070.00017.45
8.1.130.0030.00317.88
8.1.120.0050.00317.55
8.1.110.0050.00217.47
8.1.100.0040.00417.55
8.1.90.0000.00817.41
8.1.80.0040.00417.55
8.1.70.0040.00417.47
8.1.60.0060.00317.63
8.1.50.0040.00417.57
8.1.40.0000.00817.50
8.1.30.0040.00417.70
8.1.20.0000.00917.59
8.1.10.0000.00717.54
8.1.00.0030.00617.57
8.0.300.0040.00418.77
8.0.290.0070.00017.29
8.0.280.0000.00718.50
8.0.270.0000.00717.33
8.0.260.0000.00716.89
8.0.250.0070.00017.02
8.0.240.0040.00416.93
8.0.230.0080.00017.03
8.0.220.0030.00316.96
8.0.210.0040.00416.92
8.0.200.0030.00316.90
8.0.190.0000.00717.01
8.0.180.0000.00816.86
8.0.170.0000.00716.88
8.0.160.0080.00016.83
8.0.150.0040.00416.97
8.0.140.0000.00716.87
8.0.130.0060.00013.41
8.0.120.0000.00816.93
8.0.110.0030.00516.84
8.0.100.0040.00416.82
8.0.90.0000.00816.89
8.0.80.0090.00617.01
8.0.70.0030.00517.04
8.0.60.0000.00816.91
8.0.50.0040.00417.01
8.0.30.0100.00917.24
8.0.20.0150.00317.40
8.0.10.0030.00517.08
8.0.00.0110.01016.88
7.4.330.0030.00315.00
7.4.320.0030.00316.57
7.4.300.0000.00616.70
7.4.290.0030.00316.46
7.4.280.0030.00316.50
7.4.270.0060.00016.58
7.4.260.0050.00013.34
7.4.250.0040.00416.54
7.4.240.0070.00016.57
7.4.230.0070.00016.49
7.4.220.0140.00416.61
7.4.210.0080.00616.59
7.4.200.0040.00416.56
7.4.190.0030.00316.46
7.4.160.0130.00316.43
7.4.150.0040.01317.40
7.4.140.0090.00817.86
7.4.130.0170.00416.57
7.4.120.0100.00816.50
7.4.110.0110.00716.47
7.4.100.0040.01316.66
7.4.90.0110.00516.62
7.4.80.0120.00619.39
7.4.70.0140.00316.68
7.4.60.0060.01616.53
7.4.50.0030.00616.34
7.4.40.0080.00422.77
7.4.30.0080.00816.56
7.4.10.0100.01014.97
7.4.00.0080.00715.15
7.3.330.0030.00313.23
7.3.320.0000.00513.25
7.3.310.0070.00016.39
7.3.300.0030.00316.31
7.3.290.0110.00416.38
7.3.280.0110.00816.35
7.3.270.0120.00817.40
7.3.260.0140.00516.59
7.3.250.0110.01116.41
7.3.240.0140.00816.45
7.3.230.0080.00816.59
7.3.210.0120.00416.65
7.3.200.0160.00319.39
7.3.190.0090.00816.54
7.3.180.0080.00816.32
7.3.170.0060.01016.44
7.3.160.0100.01316.59
7.3.130.0090.00914.98
7.3.120.0060.00914.96
7.3.110.0090.00914.73
7.3.100.0000.01615.07
7.3.90.0030.00614.82
7.3.80.0060.00914.95
7.3.70.0040.01114.96
7.3.60.0120.00314.92
7.3.50.0090.00314.43
7.3.40.0070.00714.84
7.3.30.0040.00715.06
7.3.20.0100.00316.78
7.3.10.0060.00916.54
7.3.00.0030.01216.71
7.2.330.0070.01016.92
7.2.320.0130.00616.55
7.2.310.0070.01016.76
7.2.300.0130.00316.67
7.2.290.0060.01216.80
7.2.260.0030.01314.78
7.2.250.0040.01114.81
7.2.240.0030.00915.18
7.2.230.0040.01114.96
7.2.220.0100.01015.00
7.2.210.0120.00614.86
7.2.200.0090.00614.73
7.2.190.0100.00614.82
7.2.180.0040.00815.14
7.2.170.0120.00315.01
7.2.160.0040.00714.83
7.2.150.0060.00316.96
7.2.140.0040.00817.03
7.2.130.0070.01016.85
7.2.120.0100.00917.06
7.2.110.0040.00817.10
7.2.100.0000.01516.73
7.2.90.0060.00916.70
7.2.80.0040.00717.14
7.2.70.0070.00716.92
7.2.60.0060.00316.73
7.2.50.0030.00916.95
7.2.40.0110.00416.87
7.2.30.0030.00916.95
7.2.20.0070.01116.92
7.2.10.0060.00916.95
7.2.00.0040.01218.04
7.1.330.0040.01115.65
7.1.320.0090.00615.73
7.1.310.0030.01015.71
7.1.300.0060.00615.80
7.1.290.0000.01215.98
7.1.280.0000.00915.67
7.1.270.0000.01315.82
7.1.260.0080.00815.74
7.1.250.0040.01516.00
7.1.240.0100.00015.97
7.1.230.0090.00615.63
7.1.220.0040.01115.77
7.1.210.0060.00615.74
7.1.200.0000.00915.83
7.1.190.0130.00015.59
7.1.180.0030.00615.75
7.1.170.0050.00315.82
7.1.160.0080.00415.72
7.1.150.0030.01415.77
7.1.140.0030.00915.91
7.1.130.0040.00715.71
7.1.120.0040.01115.89
7.1.110.0060.00315.99
7.1.100.0050.00716.87
7.1.90.0000.01315.81
7.1.80.0100.00315.86
7.1.70.0050.00816.67
7.1.60.0090.00917.67
7.1.50.0090.01316.25
7.1.40.0070.01015.71
7.1.30.0110.00315.66
7.1.20.0070.01015.52
7.1.10.0040.00815.97
7.1.00.0060.02118.89
7.0.330.0110.00315.59
7.0.320.0000.01115.21
7.0.310.0030.00715.35
7.0.300.0040.00415.50
7.0.290.0070.00715.42
7.0.280.0000.00915.27
7.0.270.0090.00315.33
7.0.260.0030.01015.65
7.0.250.0000.00815.38
7.0.240.0030.01015.50
7.0.230.0000.01315.06
7.0.220.0040.00815.22
7.0.210.0080.00615.46
7.0.200.0140.01014.96
7.0.190.0090.00915.47
7.0.180.0070.00715.56
7.0.170.0100.00315.44
7.0.160.0040.01115.48
7.0.150.0110.00715.45
7.0.140.0060.04018.63
7.0.130.0100.00015.36
7.0.120.0060.01015.43
7.0.110.0060.01215.34
7.0.100.0080.02617.77
7.0.90.0090.02717.69
7.0.80.0070.02517.83
7.0.70.0030.03517.77
7.0.60.0040.02817.64
7.0.50.0050.02817.93
7.0.40.0020.02616.89
7.0.30.0050.04616.83
7.0.20.0030.03316.87
7.0.10.0030.03016.67
7.0.00.0020.03716.76
5.6.400.0040.00714.86
5.6.390.0040.01114.80
5.6.380.0040.00814.57
5.6.370.0030.00614.40
5.6.360.0030.01414.66
5.6.350.0000.01014.41
5.6.340.0040.00814.30
5.6.330.0000.00814.74
5.6.320.0070.00714.56
5.6.310.0100.00314.25
5.6.300.0150.00014.34
5.6.290.0000.01614.83
5.6.280.0100.03317.67
5.6.270.0060.00914.46
5.6.260.0070.00714.41
5.6.250.0030.02917.70
5.6.240.0000.02817.67
5.6.230.0180.02317.69
5.6.220.0050.02517.62
5.6.210.0020.02717.44
5.6.200.0080.03317.92
5.6.190.0030.02617.73
5.6.180.0090.03417.62
5.6.170.0030.03317.65
5.6.160.0070.03717.77
5.6.150.0100.02517.79
5.6.140.0140.02517.58
5.6.130.0100.02817.66
5.6.120.0130.04017.88
5.6.110.0090.03017.61
5.6.100.0100.02717.68
5.6.90.0100.04717.72
5.6.80.0080.04117.37
5.6.70.0050.03817.43
5.6.60.0110.04217.49
5.6.50.0070.03017.62
5.6.40.0090.04217.60
5.6.30.0040.04117.35
5.6.20.0080.03817.35
5.6.10.0060.03717.40
5.6.00.0050.03517.35
5.5.380.0060.03617.30
5.5.370.0030.03017.52
5.5.360.0050.02717.41
5.5.350.0090.03717.34
5.5.340.0080.02517.53
5.5.330.0070.02317.81
5.5.320.0050.03217.71
5.5.310.0030.04517.80
5.5.300.0050.02317.59
5.5.290.0080.02817.68
5.5.280.0050.03717.75
5.5.270.0030.03517.57
5.5.260.0080.02517.68
5.5.250.0070.04417.38
5.5.240.0070.03717.27
5.5.230.0020.03917.27
5.5.220.0120.03517.28
5.5.210.0070.03217.10
5.5.200.0110.03817.12
5.5.190.0050.02717.44
5.5.180.0080.03517.26
5.5.170.0000.01014.28
5.5.160.0090.04017.42
5.5.150.0070.02317.17
5.5.140.0050.02517.39
5.5.130.0070.02117.34
5.5.120.0050.02317.15
5.5.110.0100.03817.41
5.5.100.0040.02317.19
5.5.90.0050.02217.15
5.5.80.0070.02317.31
5.5.70.0100.02517.12
5.5.60.0060.02217.27
5.5.50.0020.02717.15
5.5.40.0070.02317.26
5.5.30.0040.03017.25
5.5.20.0020.03217.25
5.5.10.0090.02217.22
5.5.00.0030.02517.12
5.4.450.0100.03315.51
5.4.440.0030.02515.38
5.4.430.0070.03515.49
5.4.420.0070.03815.42
5.4.410.0050.03815.46
5.4.400.0030.03315.37
5.4.390.0070.02315.20
5.4.380.0050.03115.24
5.4.370.0070.03815.31
5.4.360.0070.03315.21
5.4.350.0100.03915.34
5.4.340.0100.03315.35
5.4.330.0000.00811.58
5.4.320.0070.02915.31
5.4.310.0070.02015.31
5.4.300.0000.02515.31
5.4.290.0060.02515.33
5.4.280.0050.02515.36
5.4.270.0050.02015.40
5.4.260.0070.02815.41
5.4.250.0050.02215.34
5.4.240.0100.04115.36
5.4.230.0070.03015.20
5.4.220.0080.01715.31
5.4.210.0030.02315.35
5.4.200.0070.02215.36
5.4.190.0060.02115.22
5.4.180.0050.02215.31
5.4.170.0050.02215.33
5.4.160.0000.02515.29
5.4.150.0010.02415.37
5.4.140.0030.02314.03
5.4.130.0100.01513.98
5.4.120.0060.01814.06
5.4.110.0050.01914.08
5.4.100.0070.01814.05
5.4.90.0000.02614.07
5.4.80.0020.02113.95
5.4.70.0040.01714.02
5.4.60.0020.01913.97
5.4.50.0050.01714.03
5.4.40.0000.02114.02
5.4.30.0000.02014.00
5.4.20.0020.02113.96
5.4.10.0050.01914.00
5.4.00.0030.01513.75
5.3.290.0050.02013.16
5.3.280.0040.01913.16
5.3.270.0040.02113.13
5.3.260.0050.01913.16
5.3.250.0020.02313.09
5.3.240.0050.02613.10
5.3.230.0050.02013.16
5.3.220.0020.02213.08
5.3.210.0060.01813.13
5.3.200.0020.02213.13
5.3.190.0020.02313.07
5.3.180.0150.00913.10
5.3.170.0000.02113.04
5.3.160.0030.01813.07
5.3.150.0090.01313.06
5.3.140.0020.01913.11
5.3.130.0020.01813.10
5.3.120.0080.01513.14
5.3.110.0020.02013.08
5.3.100.0030.01812.85
5.3.90.0040.01912.86
5.3.80.0070.01312.85
5.3.70.0000.02112.77
5.3.60.0050.01812.75
5.3.50.0050.01712.76
5.3.40.0050.01712.84
5.3.30.0030.01712.69
5.3.20.0020.02112.66
5.3.10.0030.01512.67
5.3.00.0020.02012.61
5.2.170.0030.02311.09
5.2.160.0000.02711.05
5.2.150.0030.02311.04
5.2.140.0070.02011.06
5.2.130.0030.02311.02
5.2.120.0000.02711.14
5.2.110.0070.02011.02
5.2.100.0000.02710.98
5.2.90.0030.05311.21
5.2.80.0030.05311.21
5.2.70.0070.03711.00
5.2.60.0000.05711.13
5.2.50.0100.05310.90
5.2.40.0070.03711.11
5.2.30.0000.05010.87
5.2.20.0000.03011.11
5.2.10.0030.02710.98
5.2.00.0030.05310.87
5.1.60.0030.02710.02
5.1.50.0070.05710.11
5.1.40.0000.04010.00
5.1.30.0000.02710.38
5.1.20.0030.03710.36
5.1.10.0100.03310.15
5.1.00.0030.03310.14
5.0.50.0000.0239.78
5.0.40.0030.0239.78
5.0.30.0000.0339.78
5.0.20.0000.0209.78
5.0.10.0100.0239.78
5.0.00.0000.0479.78
4.4.90.0030.0339.78
4.4.80.0000.0209.78
4.4.70.0000.0139.78
4.4.60.0030.0279.78
4.4.50.0000.0339.78
4.4.40.0000.0279.78
4.4.30.0000.0279.78
4.4.20.0000.0209.78
4.4.10.0000.0179.78
4.4.00.0070.0409.78
4.3.110.0000.0179.78
4.3.100.0000.0239.78
4.3.90.0070.0209.78
4.3.80.0000.0339.78
4.3.70.0000.0309.78
4.3.60.0070.0139.78
4.3.50.0000.0279.78
4.3.40.0030.0239.78
4.3.30.0000.0209.78
4.3.20.0000.0209.78
4.3.10.0000.0379.78
4.3.00.0070.0309.78

preferences:
68.23 ms | 401 KiB | 5 Q