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']] = $row['name']; } } echo "first stage \n"; print_r($categoryArray); // second stage echo "\n\n"; 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)
8.3.60.0120.00618.68
8.3.50.0110.00721.15
8.3.40.0160.00018.93
8.3.30.0100.01020.29
8.3.20.0030.00520.31
8.3.10.0040.00421.90
8.3.00.0000.00822.43
8.2.180.0100.00616.88
8.2.170.0110.00422.96
8.2.160.0070.00722.08
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0070.00726.16
8.2.120.0040.00420.88
8.2.110.0030.00620.38
8.2.100.0120.00018.03
8.2.90.0050.00318.92
8.2.80.0020.00519.25
8.2.70.0100.00317.63
8.2.60.0050.00318.05
8.2.50.0000.00918.07
8.2.40.0040.00418.28
8.2.30.0020.00519.39
8.2.20.0040.00417.66
8.2.10.0040.00417.71
8.2.00.0000.00817.75
8.1.280.0160.00625.92
8.1.270.0080.00023.99
8.1.260.0070.00726.35
8.1.250.0000.00728.09
8.1.240.0040.00423.99
8.1.230.0040.00819.14
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.01017.35
8.1.190.0090.00017.52
8.1.180.0080.00018.10
8.1.170.0000.00818.50
8.1.160.0080.00319.02
8.1.150.0000.00918.66
8.1.140.0000.00717.47
8.1.130.0070.00017.85
8.1.120.0070.00017.54
8.1.110.0050.00317.54
8.1.100.0040.00417.38
8.1.90.0000.00717.39
8.1.80.0040.00417.39
8.1.70.0000.00717.50
8.1.60.0060.00317.46
8.1.50.0040.00417.45
8.1.40.0040.00417.52
8.1.30.0000.00817.60
8.1.20.0000.00817.57
8.1.10.0000.00817.48
8.1.00.0000.01317.55
8.0.300.0040.00418.77
8.0.290.0070.00017.03
8.0.280.0040.00418.48
8.0.270.0030.00317.16
8.0.260.0000.00716.90
8.0.250.0040.00417.04
8.0.240.0040.00417.00
8.0.230.0040.00417.03
8.0.220.0000.00716.87
8.0.210.0000.00716.89
8.0.200.0030.00316.97
8.0.190.0000.00716.96
8.0.180.0000.00716.89
8.0.170.0050.00317.05
8.0.160.0070.00016.90
8.0.150.0000.00716.95
8.0.140.0000.00716.86
8.0.130.0030.00313.39
8.0.120.0000.00816.95
8.0.110.0050.00316.97
8.0.100.0060.00316.82
8.0.90.0070.00017.05
8.0.80.0120.00416.91
8.0.70.0040.00416.81
8.0.60.0000.00816.98
8.0.50.0070.00017.04
8.0.30.0060.01417.24
8.0.20.0130.00617.40
8.0.10.0030.00517.02
8.0.00.0080.01016.72
7.4.330.0000.00615.00
7.4.320.0030.00316.63
7.4.300.0030.00316.52
7.4.290.0030.00316.50
7.4.280.0030.00316.55
7.4.270.0070.00016.46
7.4.260.0030.00313.35
7.4.250.0000.00816.40
7.4.240.0020.00516.57
7.4.230.0070.00016.71
7.4.220.0070.01116.58
7.4.210.0070.00716.59
7.4.200.0030.00316.49
7.4.190.0080.00016.63
7.4.160.0100.00716.58
7.4.150.0070.01117.40
7.4.140.0080.01017.86
7.4.130.0090.00816.51
7.4.120.0140.00316.60
7.4.110.0140.00716.41
7.4.100.0120.00816.47
7.4.90.0110.00716.65
7.4.80.0170.00619.39
7.4.70.0070.01116.57
7.4.60.0110.00516.49
7.4.50.0000.00816.55
7.4.40.0070.01122.77
7.4.30.0030.01216.44
7.4.00.0100.00814.87
7.3.330.0060.00013.46
7.3.320.0000.00613.34
7.3.310.0030.00316.57
7.3.300.0000.00716.43
7.3.290.0070.01316.48
7.3.280.0110.00716.48
7.3.270.0150.00317.40
7.3.260.0080.01016.46
7.3.250.0060.01116.56
7.3.240.0140.00316.48
7.3.230.0090.00916.51
7.3.210.0070.01016.67
7.3.200.0120.00619.39
7.3.190.0110.00916.66
7.3.180.0090.00916.71
7.3.170.0080.00816.55
7.3.160.0080.00816.48
7.3.120.0100.00814.92
7.3.110.0110.00714.87
7.3.100.0100.00314.93
7.3.90.0030.01014.95
7.3.80.0040.01415.02
7.3.70.0090.00314.75
7.3.60.0070.00314.88
7.3.50.0070.00414.87
7.3.40.0000.01415.11
7.3.30.0070.00714.71
7.3.20.0030.01016.78
7.3.10.0060.00616.88
7.3.00.0120.00016.88
7.2.330.0140.00316.75
7.2.320.0130.00716.65
7.2.310.0080.01216.45
7.2.300.0090.00916.73
7.2.290.0030.01416.81
7.2.250.0030.01515.04
7.2.240.0130.00314.89
7.2.230.0000.01015.23
7.2.220.0000.01714.97
7.2.210.0060.01014.99
7.2.200.0070.01014.89
7.2.190.0060.00615.12
7.2.180.0080.00415.06
7.2.170.0000.01315.20
7.2.00.0060.00919.49
7.1.330.0040.00915.76
7.1.320.0030.00615.63
7.1.310.0100.00715.77
7.1.300.0070.00415.72
7.1.290.0060.00315.57
7.1.280.0030.00915.88
7.1.270.0060.00615.51
7.1.260.0090.00315.74
7.1.100.0030.00918.15
7.1.70.0000.00716.93
7.1.60.0120.01219.29
7.1.50.0090.01216.95
7.1.00.0070.03322.41
7.0.200.0220.00614.36
7.0.140.0070.07322.12
7.0.100.0200.07019.97
7.0.90.0170.07720.14
7.0.80.0130.08019.98
7.0.70.0200.07720.15
7.0.60.0130.08319.97
7.0.50.0200.07320.38
7.0.40.0130.08320.06
7.0.30.0070.07320.01
7.0.20.0070.06320.20
7.0.10.0030.08720.14
7.0.00.0070.06320.14
5.6.280.0070.07321.00
5.6.250.0070.06720.76
5.6.240.0030.04020.59
5.6.230.0070.07320.61
5.6.220.0030.07320.72
5.6.210.0170.07720.76
5.6.200.0100.06321.13
5.6.190.0070.09021.14
5.6.180.0070.06321.11
5.6.170.0130.06721.02
5.6.160.0030.07321.10
5.6.150.0000.05721.05
5.6.140.0130.08021.09
5.6.130.0070.05021.06
5.6.120.0070.08321.04
5.6.110.0200.07021.06
5.6.100.0100.06021.04
5.6.90.0030.07721.11
5.6.80.0030.09020.43
5.6.70.0070.05020.40
5.6.60.0030.08020.46
5.6.50.0030.08020.57
5.6.40.0100.08320.32
5.6.30.0070.08320.49
5.6.20.0100.07320.40
5.6.10.0070.07720.48
5.6.00.0030.07020.38
5.5.380.0070.09020.56
5.5.370.0070.08320.47
5.5.360.0070.05020.55
5.5.350.0100.07020.34
5.5.340.0100.08720.92
5.5.330.0170.07320.91
5.5.320.0130.05320.91
5.5.310.0030.05020.81
5.5.300.0130.05020.91
5.5.290.0200.06020.91
5.5.280.0030.07720.84
5.5.270.0100.08020.64
5.5.260.0070.07320.89
5.5.250.0200.07020.63
5.5.240.0130.07020.28
5.5.230.0100.07720.32
5.5.220.0100.07320.31
5.5.210.0170.06720.03
5.5.200.0100.07720.15
5.5.190.0070.04720.24
5.5.180.0070.07720.25
5.5.160.0030.04720.24
5.5.150.0030.07720.19
5.5.140.0070.08320.25
5.5.130.0130.04320.15
5.5.120.0070.07020.16
5.5.110.0100.07320.12
5.5.100.0100.03320.20
5.5.90.0100.06320.18
5.5.80.0100.04320.09
5.5.70.0030.06020.11
5.5.60.0030.06320.02
5.5.50.0100.07320.11
5.5.40.0070.07720.17
5.5.30.0030.06320.04
5.5.20.0130.07320.11
5.5.10.0070.07720.09
5.5.00.0070.07720.03
5.4.450.0100.04719.52
5.4.440.0070.05319.45
5.4.430.0100.08019.36
5.4.420.0000.05019.53
5.4.410.0070.06719.32
5.4.400.0030.08019.10
5.4.390.0070.08318.95
5.4.380.0070.07719.23
5.4.370.0070.07319.04
5.4.360.0100.08319.21
5.4.350.0070.07019.13
5.4.340.0070.07319.21
5.4.320.0000.05019.00
5.4.310.0130.07319.17
5.4.300.0030.07719.04
5.4.290.0000.08019.12
5.4.280.0100.06318.85
5.4.270.0170.07019.18
5.4.260.0070.04018.85
5.4.250.0070.04019.21
5.4.240.0030.08019.12
5.4.230.0130.07719.16
5.4.220.0100.04318.98
5.4.210.0070.07019.16
5.4.200.0070.08319.04
5.4.190.0100.07718.84
5.4.180.0030.07318.94
5.4.170.0070.05319.02
5.4.160.0070.07719.22
5.4.150.0030.07319.17
5.4.140.0000.05316.46
5.4.130.0130.06316.55
5.4.120.0070.04316.51
5.4.110.0030.05016.54
5.4.100.0030.07016.38
5.4.90.0030.04316.54
5.4.80.0130.03716.36
5.4.70.0130.06716.55
5.4.60.0100.07016.46
5.4.50.0070.03716.37
5.4.40.0130.06316.36
5.4.30.0100.06316.41
5.4.20.0070.06716.45
5.4.10.0030.06316.43
5.4.00.0070.06715.88
5.3.290.0030.07314.69
5.3.280.0100.04314.58
5.3.270.0000.08314.74
5.3.260.0100.07314.68
5.3.250.0130.06714.69
5.3.240.0270.03314.75
5.3.230.0030.07714.59
5.3.220.0070.07714.63
5.3.210.0030.04014.67
5.3.200.0030.03714.63
5.3.190.0130.06714.61
5.3.180.0130.05014.64
5.3.170.0030.06714.52
5.3.160.0030.05014.66
5.3.150.0130.06314.56
5.3.140.0000.07714.54
5.3.130.0100.04714.70
5.3.120.0030.06714.54
5.3.110.0000.05314.69
5.3.100.0170.07014.02
5.3.90.0170.06314.09
5.3.80.0100.07314.09
5.3.70.0170.03314.08
5.3.60.0130.06014.07
5.3.50.0100.06713.89
5.3.40.0070.06714.05
5.3.30.0030.08013.81
5.3.20.0030.07713.77
5.3.10.0070.03313.73
5.3.00.0100.07313.75
5.2.170.0100.06011.43
5.2.160.0070.04711.43
5.2.150.0000.06311.43
5.2.140.0000.06711.43
5.2.130.0030.05711.43
5.2.120.0030.03311.43
5.2.110.0000.03311.43
5.2.100.0000.06311.43
5.2.90.0070.05711.43
5.2.80.0000.05311.43
5.2.70.0100.05311.43
5.2.60.0000.06311.43
5.2.50.0030.06011.43
5.2.40.0030.05311.43
5.2.30.0000.06711.43
5.2.20.0070.06011.43
5.2.10.0030.06011.43
5.2.00.0100.05311.43
5.1.60.0070.05311.43
5.1.50.0130.04311.43
5.1.40.0030.04711.43
5.1.30.0070.05311.43
5.1.20.0030.06011.43
5.1.10.0030.05011.43
5.1.00.0000.05711.43
5.0.50.0000.05011.43
5.0.40.0030.04311.43
5.0.30.0000.06711.43
5.0.20.0070.04011.43
5.0.10.0070.04011.43
5.0.00.0030.06311.43
4.4.90.0000.03311.43
4.4.80.0030.03311.43
4.4.70.0000.02711.43
4.4.60.0030.03311.43
4.4.50.0000.02011.43
4.4.40.0070.04711.43
4.4.30.0030.03011.43
4.4.20.0070.03011.43
4.4.10.0030.03311.43
4.4.00.0000.05311.43
4.3.110.0000.03711.43
4.3.100.0030.03311.43
4.3.90.0030.02311.43
4.3.80.0000.05311.43
4.3.70.0030.03311.43
4.3.60.0100.02711.43
4.3.50.0070.03311.43
4.3.40.0000.05311.43
4.3.30.0030.03711.43
4.3.20.0000.03711.43
4.3.10.0070.03011.43
4.3.00.0030.03711.43

preferences:
38.37 ms | 401 KiB | 5 Q