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'); $a[] = array('parent_id' => 8, 'category_id' => 12, 'name' => 'id12'); $a[] = array('parent_id' => 7, 'category_id' => 11, 'name' => 'id11'); $a[] = array('parent_id' => 7, 'category_id' => 10, 'name' => 'id10'); $a[] = array('parent_id' => 0, 'category_id' => 9, 'name' => 'id9'); $a[] = array('parent_id' => 0, 'category_id' => 8, 'name' => 'id8'); $a[] = array('parent_id' => 0, 'category_id' => 7, 'name' => 'id7'); 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']] = $categoryArray[$row['category_id']]; unset($categoryArray[$row['category_id']]); } else { $categoryArray[$row['parent_id']][$row['category_id']] = $row['name']; } } //echo 'first stage <br>'; //print_r($categoryArray); // second stage getCategory($categoryArray); function getCategory($array){ foreach($array as $row){ if(is_array($row)) { echo('<li>'.$row.'<ul>'); getCategory($row); echo('</ul></li>'); } else { echo('<li>'.$row.'</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)
8.3.60.0140.00316.75
8.3.50.0130.00517.65
8.3.40.0150.00018.93
8.3.30.0070.00718.65
8.3.20.0080.00018.89
8.3.10.0060.00320.52
8.3.00.0030.00619.50
8.2.180.0090.00618.30
8.2.170.0120.00322.96
8.2.160.0090.00618.95
8.2.150.0070.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00820.61
8.2.110.0100.00020.48
8.2.100.0080.00817.91
8.2.90.0040.00718.28
8.2.80.0040.00419.21
8.2.70.0040.00417.50
8.2.60.0050.00317.93
8.2.50.0080.00018.07
8.2.40.0040.00418.15
8.2.30.0030.00518.04
8.2.20.0090.00019.38
8.2.10.0080.00017.88
8.2.00.0040.00817.83
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00322.20
8.1.230.0000.01120.84
8.1.220.0000.00817.74
8.1.210.0030.00618.92
8.1.200.0030.00617.34
8.1.190.0050.00317.65
8.1.180.0000.01018.10
8.1.170.0030.00518.73
8.1.160.0040.00418.95
8.1.150.0080.00018.51
8.1.140.0040.00417.56
8.1.130.0040.00417.76
8.1.120.0000.00717.36
8.1.110.0000.00817.48
8.1.100.0070.00017.43
8.1.90.0040.00417.45
8.1.80.0070.00017.51
8.1.70.0000.00717.36
8.1.60.0000.00817.64
8.1.50.0040.00417.46
8.1.40.0050.00317.46
8.1.30.0040.00417.71
8.1.20.0000.00917.74
8.1.10.0040.00417.52
8.1.00.0080.00017.60
8.0.300.0040.00419.82
8.0.290.0000.00816.75
8.0.280.0070.00018.44
8.0.270.0030.00317.19
8.0.260.0060.00016.96
8.0.250.0040.00417.07
8.0.240.0070.00017.05
8.0.230.0040.00417.06
8.0.220.0000.00716.86
8.0.210.0000.00716.99
8.0.200.0000.00617.05
8.0.190.0060.00316.94
8.0.180.0070.00016.94
8.0.170.0040.00416.91
8.0.160.0000.00717.03
8.0.150.0000.00816.98
8.0.140.0050.00516.93
8.0.130.0000.00513.39
8.0.120.0000.00816.90
8.0.110.0030.00616.89
8.0.100.0050.00217.01
8.0.90.0000.00716.79
8.0.80.0090.00616.98
8.0.70.0050.00316.88
8.0.60.0040.00416.86
8.0.50.0000.00717.07
8.0.30.0120.00617.21
8.0.20.0150.00617.24
8.0.10.0050.00217.07
8.0.00.0100.01116.97
7.4.330.0020.00213.00
7.4.320.0000.00616.43
7.4.300.0000.00716.63
7.4.290.0040.00416.58
7.4.280.0000.00816.53
7.4.270.0000.00616.54
7.4.260.0040.00413.41
7.4.250.0040.00416.62
7.4.240.0080.00016.67
7.4.230.0040.00416.64
7.4.220.0090.00916.52
7.4.210.0070.00716.64
7.4.200.0000.00716.63
7.4.190.0040.00416.71
7.4.160.0110.01116.60
7.4.150.0120.00616.59
7.4.140.0070.01416.68
7.4.130.0060.01116.77
7.4.120.0150.00316.53
7.4.110.0040.01516.68
7.4.100.0130.00616.54
7.4.90.0090.00916.54
7.4.80.0090.00816.84
7.4.70.0090.00816.44
7.4.60.0130.00316.54
7.4.50.0000.00616.43
7.4.40.0060.00916.43
7.4.30.0040.01216.54
7.4.00.0070.00715.20
7.3.330.0030.00313.46
7.3.320.0030.00313.39
7.3.310.0050.00316.46
7.3.300.0080.00016.47
7.3.290.0080.00716.44
7.3.280.0090.01316.48
7.3.270.0090.00916.41
7.3.260.0060.01216.63
7.3.250.0080.01516.44
7.3.240.0070.01116.41
7.3.230.0030.01716.59
7.3.210.0090.00916.51
7.3.200.0130.00919.39
7.3.190.0120.00916.47
7.3.180.0060.01716.74
7.3.170.0150.00416.66
7.3.160.0180.00016.58
7.3.120.0060.01014.89
7.3.110.0070.00714.91
7.3.100.0060.00914.96
7.3.90.0090.00614.89
7.3.80.0090.00614.93
7.3.70.0070.01015.05
7.3.60.0090.00615.02
7.3.50.0090.00614.96
7.3.40.0060.00914.94
7.3.30.0070.01114.91
7.3.20.0100.00716.60
7.3.10.0060.00916.56
7.3.00.0100.00316.89
7.2.330.0070.01016.86
7.2.320.0070.01016.49
7.2.310.0080.01316.80
7.2.300.0090.01016.64
7.2.290.0150.00316.78
7.2.240.0040.00715.27
7.2.230.0040.01114.81
7.2.220.0020.01514.82
7.2.210.0070.01015.04
7.2.200.0060.01215.25
7.2.190.0090.00614.98
7.2.180.0100.00614.71
7.2.170.0070.00715.07
7.2.160.0100.00614.96
7.2.150.0030.00917.14
7.2.140.0080.00616.94
7.2.130.0070.00417.03
7.2.120.0130.00317.07
7.2.110.0040.01217.03
7.2.100.0080.00017.02
7.2.90.0110.00316.95
7.2.80.0000.01516.96
7.2.70.0060.00616.78
7.2.60.0100.00417.04
7.2.50.0130.00316.99
7.2.40.0100.00717.06
7.2.30.0130.00316.87
7.2.20.0000.01616.93
7.2.10.0040.01116.86
7.2.00.0050.01018.15
7.1.330.0070.00715.57
7.1.320.0110.00416.04
7.1.310.0030.01315.79
7.1.300.0070.00715.82
7.1.290.0030.00915.77
7.1.280.0100.00615.63
7.1.270.0060.00915.63
7.1.260.0000.01315.61
7.1.250.0110.00015.68
7.1.200.0000.01315.65
7.1.100.0040.00818.05
7.1.70.0000.00917.32
7.1.60.0070.01819.17
7.1.50.0070.00716.63
7.1.00.0070.05722.45
7.0.200.0290.00614.64
7.0.140.0030.07322.00
7.0.120.0030.07022.27
7.0.60.0100.07719.93
7.0.50.0230.07017.96
7.0.40.0030.05017.73
7.0.30.0100.05017.82
7.0.20.0070.04717.69
7.0.10.0070.08017.78
7.0.00.0170.07317.85
5.6.280.0070.07020.90
5.6.210.0100.05720.48
5.6.200.0030.08018.17
5.6.190.0000.08318.16
5.6.180.0100.05718.19
5.6.170.0070.07318.18
5.6.160.0030.05718.19
5.6.150.0130.05318.29
5.6.140.0230.06018.18
5.6.130.0230.04018.14
5.6.120.0030.08318.20
5.6.110.0100.05018.16
5.6.100.0070.08718.14
5.6.90.0070.07718.26
5.6.80.0030.08317.52
5.6.70.0070.07317.56
5.6.60.0030.05017.63
5.6.50.0130.07317.54
5.6.40.0070.07717.59
5.6.30.0030.08317.52
5.6.20.0100.07317.59
5.6.10.0070.07717.51
5.6.00.0070.05017.53
5.5.350.0270.07320.42
5.5.340.0070.05017.98
5.5.330.0030.08318.02
5.5.320.0100.05318.07
5.5.310.0070.06317.99
5.5.300.0100.07717.98
5.5.290.0170.07318.07
5.5.280.0130.06317.97
5.5.270.0030.07018.07
5.5.260.0070.04318.01
5.5.250.0070.06017.82
5.5.240.0030.07317.34
5.5.230.0000.07017.31
5.5.220.0030.06717.39
5.5.210.0100.04717.37
5.5.200.0070.04717.31
5.5.190.0000.07017.39
5.5.180.0100.05317.42
5.5.160.0070.06717.34
5.5.150.0130.06717.34
5.5.140.0070.08017.39
5.5.130.0100.06017.32
5.5.120.0030.04017.32
5.5.110.0070.07717.36
5.5.100.0070.07017.32
5.5.90.0070.04317.31
5.5.80.0000.07317.23
5.5.70.0200.05317.31
5.5.60.0070.07717.29
5.5.50.0070.04717.21
5.5.40.0170.06017.28
5.5.30.0030.04717.30
5.5.20.0130.06017.21
5.5.10.0070.08017.32
5.5.00.0070.07717.28
5.4.450.0170.07319.45
5.4.440.0100.07719.23
5.4.430.0200.07019.35
5.4.420.0000.07319.36
5.4.410.0130.06319.25
5.4.400.0130.06719.27
5.4.390.0030.06719.13
5.4.380.0070.03719.05
5.4.370.0070.03718.89
5.4.360.0070.04718.89
5.4.350.0130.07319.02
5.4.340.0070.07319.05
5.4.320.0130.03719.27
5.4.310.0100.05718.95
5.4.300.0070.06019.11
5.4.290.0070.07719.11
5.4.280.0030.06019.04
5.4.270.0100.06718.95
5.4.260.0100.07319.27
5.4.250.0130.05719.05
5.4.240.0030.05719.09
5.4.230.0070.03719.02
5.4.220.0170.07319.13
5.4.210.0130.07019.01
5.4.200.0070.07719.04
5.4.190.0100.04319.00
5.4.180.0130.06719.13
5.4.170.0100.07719.04
5.4.160.0130.03719.01
5.4.150.0130.06719.12
5.4.140.0100.07016.52
5.4.130.0030.04016.59
5.4.120.0000.04016.34
5.4.110.0070.07016.37
5.4.100.0030.03716.45
5.4.90.0070.03016.62
5.4.80.0000.03716.48
5.4.70.0070.03716.27
5.4.60.0000.03716.52
5.4.50.0000.03716.45
5.4.40.0000.03716.34
5.4.30.0000.06016.30
5.4.20.0030.03716.55
5.4.10.0000.03716.56
5.4.00.0000.04315.68
5.3.290.0030.06014.71
5.3.280.0070.07714.64
5.3.270.0100.06014.62
5.3.260.0000.07714.64
5.3.250.0000.04714.63
5.3.240.0100.06314.63
5.3.230.0000.04014.61
5.3.220.0100.05314.61
5.3.210.0130.04714.68
5.3.200.0000.04014.61
5.3.190.0100.03014.61
5.3.180.0070.03314.64
5.3.170.0130.02714.56
5.3.160.0070.03014.60
5.3.150.0030.03714.67
5.3.140.0030.03314.64
5.3.130.0030.03714.63
5.3.120.0000.04014.60
5.3.110.0030.03714.52
5.3.100.0030.03314.08
5.3.90.0100.03014.07
5.3.80.0000.03713.84
5.3.70.0000.03714.07
5.3.60.0000.03714.06
5.3.50.0000.03713.97
5.3.40.0000.03714.02
5.3.30.0000.03713.82
5.3.20.0000.03713.72
5.3.10.0000.03713.51
5.3.00.0070.03013.54
5.2.170.0000.03011.00
5.2.160.0000.03011.18
5.2.150.0000.03011.16
5.2.140.0000.03011.19
5.2.130.0000.03710.96
5.2.120.0000.03011.14
5.2.110.0030.02711.17
5.2.100.0030.02711.02
5.2.90.0000.03011.21
5.2.80.0030.03011.14
5.2.70.0030.02711.09
5.2.60.0000.03011.08
5.2.50.0030.03011.09
5.2.40.0030.02711.00
5.2.30.0000.03011.04
5.2.20.0030.02711.00
5.2.10.0030.02710.91
5.2.00.0070.02310.77
5.1.60.0000.02310.05
5.1.50.0000.0309.84
5.1.40.0000.02310.20
5.1.30.0000.02710.45
5.1.20.0030.02710.32
5.1.10.0000.02710.07
5.1.00.0000.03010.12
5.0.50.0030.0178.58
5.0.40.0070.0438.39
5.0.30.0070.0338.31
5.0.20.0100.0378.30
5.0.10.0100.0408.25
5.0.00.0000.0678.17
4.4.90.0000.0137.70
4.4.80.0000.0137.70
4.4.70.0030.0137.70
4.4.60.0000.0137.70
4.4.50.0000.0177.70
4.4.40.0070.0207.70
4.4.30.0030.0137.70
4.4.20.0000.0177.70
4.4.10.0000.0237.70
4.4.00.0000.0607.70
4.3.110.0030.0307.70
4.3.100.0030.0207.70
4.3.90.0000.0277.70
4.3.80.0000.0607.70
4.3.70.0070.0337.70
4.3.60.0030.0307.70
4.3.50.0030.0237.70
4.3.40.0000.0377.70
4.3.30.0030.0137.70
4.3.20.0030.0207.70
4.3.10.0000.0207.70
4.3.00.0000.0177.70

preferences:
48.79 ms | 401 KiB | 5 Q