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']]['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'] = $row['name']; } } echo "first stage \n"; print_r($categoryArray); // second stage echo "\n\n"; getCategory($categoryArray[0]); function getCategory($array){ foreach($array as $row){ print_r($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)
8.3.60.0130.00618.43
8.3.50.0110.00621.20
8.3.40.0040.01118.87
8.3.30.0070.01020.29
8.3.20.0040.00420.21
8.3.10.0080.00022.09
8.3.00.0050.00322.39
8.2.180.0140.00718.54
8.2.170.0090.00622.96
8.2.160.0070.00722.22
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0050.00320.69
8.2.110.0090.00022.07
8.2.100.0070.00417.91
8.2.90.0040.00419.17
8.2.80.0070.00019.32
8.2.70.0060.00317.75
8.2.60.0040.00418.05
8.2.50.0060.00318.07
8.2.40.0080.00019.64
8.2.30.0050.00319.38
8.2.20.0050.00317.77
8.2.10.0000.00817.69
8.2.00.0040.00417.71
8.1.280.0140.00425.92
8.1.270.0000.00923.99
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00323.92
8.1.230.0080.00419.15
8.1.220.0050.00317.79
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0080.00017.50
8.1.180.0060.00319.01
8.1.170.0040.00418.66
8.1.160.0060.00318.84
8.1.150.0000.00718.71
8.1.140.0060.00317.53
8.1.130.0000.00817.93
8.1.120.0020.00517.55
8.1.110.0000.00717.39
8.1.100.0000.00817.41
8.1.90.0000.00717.52
8.1.80.0000.00817.52
8.1.70.0030.00317.50
8.1.60.0080.00017.64
8.1.50.0090.00017.56
8.1.40.0000.00917.59
8.1.30.0030.00517.62
8.1.20.0030.00617.67
8.1.10.0060.00317.50
8.1.00.0030.00717.41
8.0.300.0060.00318.77
8.0.290.0000.00717.18
8.0.280.0070.00018.54
8.0.270.0000.00717.31
8.0.260.0000.00816.86
8.0.250.0030.00317.01
8.0.240.0030.00617.02
8.0.230.0000.00717.02
8.0.220.0000.00716.87
8.0.210.0040.00216.84
8.0.200.0030.00316.89
8.0.190.0040.00416.93
8.0.180.0070.00016.96
8.0.170.0040.00416.90
8.0.160.0060.00316.93
8.0.150.0040.00416.79
8.0.140.0000.00816.91
8.0.130.0030.00313.30
8.0.120.0000.00716.93
8.0.110.0000.00716.75
8.0.100.0000.00816.98
8.0.90.0050.00316.73
8.0.80.0130.00316.98
8.0.70.0030.00516.82
8.0.60.0040.00416.95
8.0.50.0000.00816.99
8.0.30.0100.00917.20
8.0.20.0130.00717.40
8.0.10.0000.00817.06
8.0.00.0100.01216.94
7.4.330.0030.00315.08
7.4.320.0000.00616.53
7.4.300.0000.00716.50
7.4.290.0000.00716.64
7.4.280.0040.00416.57
7.4.270.0000.00816.65
7.4.260.0050.00013.33
7.4.250.0000.00816.58
7.4.240.0000.00816.65
7.4.230.0000.00816.64
7.4.220.0140.01116.76
7.4.210.0100.00416.59
7.4.200.0040.00416.74
7.4.190.0030.00416.46
7.4.160.0120.00916.51
7.4.150.0170.00017.40
7.4.140.0100.00917.86
7.4.130.0080.00816.49
7.4.120.0120.00516.51
7.4.110.0090.01116.63
7.4.100.0080.01116.48
7.4.90.0100.00716.39
7.4.80.0090.01519.39
7.4.70.0060.01116.40
7.4.60.0050.01116.82
7.4.50.0030.00616.21
7.4.40.0080.00622.77
7.4.30.0100.00616.67
7.4.00.0000.01815.23
7.3.330.0030.00313.38
7.3.320.0030.00213.19
7.3.310.0040.00416.41
7.3.300.0030.00316.25
7.3.290.0090.00916.38
7.3.280.0100.01116.41
7.3.270.0110.00617.40
7.3.260.0090.00916.54
7.3.250.0120.00916.54
7.3.240.0150.00716.64
7.3.230.0070.01016.69
7.3.210.0100.00716.61
7.3.200.0080.00819.39
7.3.190.0030.01416.46
7.3.180.0110.00616.68
7.3.170.0090.00916.55
7.3.160.0100.01416.39
7.3.120.0000.01415.05
7.3.10.0270.00516.33
7.3.00.0120.01516.84
7.2.330.0120.00416.55
7.2.320.0130.00316.80
7.2.310.0070.01116.46
7.2.300.0080.00816.89
7.2.290.0100.00616.50
7.2.130.0310.00916.81
7.2.120.0220.00816.73
7.2.110.0450.01016.88
7.2.100.0110.01016.88
7.2.90.0000.01316.87
7.2.80.0100.00716.67
7.2.70.0070.00416.60
7.2.60.0070.00716.83
7.2.50.0030.01016.34
7.2.40.0070.00316.89
7.2.30.0000.01016.86
7.2.20.0090.00316.78
7.2.10.0030.01016.68
7.2.00.0030.01218.26
7.1.250.0230.01015.60
7.1.200.0060.00615.71
7.1.100.0030.00918.03
7.1.70.0000.00717.19
7.1.60.0070.01319.29
7.1.50.0070.01417.04
7.1.00.0070.03022.45
7.0.200.0230.01014.90
7.0.140.0130.06721.97
7.0.100.0330.06719.98
7.0.90.0400.08719.91
7.0.80.0130.08019.91
7.0.70.0370.08719.96
7.0.60.0030.03720.05
7.0.50.0330.05020.30
7.0.40.0070.07320.09
7.0.30.0100.08320.13
7.0.20.0130.03719.98
7.0.10.0070.03320.11
7.0.00.0000.04320.06
5.6.280.0000.08021.08
5.6.250.0200.06720.61
5.6.240.0170.06020.70
5.6.230.0000.07020.70
5.6.220.0130.08020.69
5.6.210.0070.04320.48
5.6.200.0070.08321.06
5.6.190.0070.08321.17
5.6.180.0030.04020.93
5.6.170.0030.04021.05
5.6.160.0030.04321.11
5.6.150.0130.06721.04
5.6.140.0070.06721.12
5.6.130.0070.04720.98
5.6.120.0070.08720.95
5.6.110.0100.08321.01
5.6.100.0100.04721.00
5.6.90.0130.07321.05
5.6.80.0070.07020.41
5.6.70.0030.04020.41
5.6.60.0070.06020.39
5.6.50.0070.08020.39
5.6.40.0070.07720.31
5.6.30.0100.07320.32
5.6.20.0070.07720.31
5.6.10.0100.04020.46
5.6.00.0100.07720.45
5.5.380.0100.06720.43
5.5.370.0100.08320.42
5.5.360.0100.04320.35
5.5.350.0100.04020.41
5.5.340.0070.07720.81
5.5.330.0000.05020.93
5.5.320.0030.03720.91
5.5.310.0100.06720.86
5.5.300.0070.05320.86
5.5.290.0070.08020.77
5.5.280.0030.06720.77
5.5.270.0100.07020.91
5.5.260.0100.03720.86
5.5.250.0130.07320.57
5.5.240.0170.04020.31
5.5.230.0130.05720.02
5.5.220.0030.07020.14
5.5.210.0130.08020.20
5.5.200.0100.08020.24
5.5.190.0000.05020.11
5.5.180.0100.05320.18
5.5.160.0130.06720.28
5.5.150.0170.07320.21
5.5.140.0070.04319.95
5.5.130.0130.07720.28
5.5.120.0100.07720.26
5.5.110.0030.04720.26
5.5.100.0200.06720.07
5.5.90.0100.08020.11
5.5.80.0070.06020.15
5.5.70.0030.05020.15
5.5.60.0070.07020.09
5.5.50.0070.07720.16
5.5.40.0100.07319.96
5.5.30.0070.08319.93
5.5.20.0130.04020.05
5.5.10.0030.05020.11
5.5.00.0070.07320.04
5.4.450.0100.07719.23
5.4.440.0130.07319.45
5.4.430.0030.04319.45
5.4.420.0030.05019.17
5.4.410.0000.05019.23
5.4.400.0030.05718.85
5.4.390.0070.06018.86
5.4.380.0170.06019.03
5.4.370.0070.07019.23
5.4.360.0070.04319.13
5.4.350.0070.07018.88
5.4.340.0100.07719.14
5.4.320.0070.07019.13
5.4.310.0030.07719.23
5.4.300.0070.06319.09
5.4.290.0030.07319.05
5.4.280.0070.05719.14
5.4.270.0100.04719.11
5.4.260.0070.04719.12
5.4.250.0200.06719.04
5.4.240.0030.08019.11
5.4.230.0100.07319.02
5.4.220.0000.08719.12
5.4.210.0100.07019.17
5.4.200.0130.08019.14
5.4.190.0100.07318.84
5.4.180.0130.07019.12
5.4.170.0130.07319.13
5.4.160.0170.06319.16
5.4.150.0130.04019.01
5.4.140.0070.07316.41
5.4.130.0070.05316.38
5.4.120.0000.04716.39
5.4.110.0030.05016.56
5.4.100.0100.07016.49
5.4.90.0030.04316.55
5.4.80.0170.03316.39
5.4.70.0070.04316.46
5.4.60.0070.07316.46
5.4.50.0070.08016.25
5.4.40.0030.06016.41
5.4.30.0030.04316.29
5.4.20.0070.07716.45
5.4.10.0170.07016.33
5.4.00.0130.07015.78
5.3.290.0070.06714.66
5.3.280.0170.05714.67
5.3.270.0170.06714.67
5.3.260.0130.07314.64
5.3.250.0030.08014.68
5.3.240.0130.07014.59
5.3.230.0100.06314.68
5.3.220.0130.07314.67
5.3.210.0070.04014.57
5.3.200.0170.05314.72
5.3.190.0030.08314.61
5.3.180.0070.07714.64
5.3.170.0000.07314.63
5.3.160.0030.08014.71
5.3.150.0070.07014.56
5.3.140.0130.06714.54
5.3.130.0070.05714.57
5.3.120.0100.05714.67
5.3.110.0030.07714.68
5.3.100.0030.05713.98
5.3.90.0000.04014.08
5.3.80.0000.04014.09
5.3.70.0030.04314.16
5.3.60.0030.03714.12
5.3.50.0000.04014.02
5.3.40.0030.03713.86
5.3.30.0030.04313.82
5.3.20.0000.04013.59
5.3.10.0030.03713.79
5.3.00.0100.03013.70
5.2.170.0030.03310.98
5.2.160.0030.02711.26
5.2.150.0070.02711.19
5.2.140.0000.03311.18
5.2.130.0070.02711.04
5.2.120.0000.02711.13
5.2.110.0030.02311.04
5.2.100.0000.03311.16
5.2.90.0030.02711.10
5.2.80.0030.03011.21
5.2.70.0000.03310.99
5.2.60.0070.03011.07
5.2.50.0030.02711.11
5.2.40.0030.02711.00
5.2.30.0000.04311.13
5.2.20.0030.03011.05
5.2.10.0070.05310.86
5.2.00.0070.04710.79
5.1.60.0000.0509.84
5.1.50.0070.02710.12
5.1.40.0070.0209.84
5.1.30.0070.05010.33
5.1.20.0130.01710.29
5.1.10.0070.02710.20
5.1.00.0030.0279.96
5.0.50.0030.0208.57
5.0.40.0100.0138.44
5.0.30.0000.0378.28
5.0.20.0030.0208.32
5.0.10.0030.0308.17
5.0.00.0000.0338.17
4.4.90.0000.0208.17
4.4.80.0030.0108.17
4.4.70.0030.0238.17
4.4.60.0070.0238.17
4.4.50.0030.0238.17
4.4.40.0030.0478.17
4.4.30.0030.0138.17
4.4.20.0030.0138.17
4.4.10.0000.0178.17
4.4.00.0030.0238.17
4.3.110.0030.0178.17
4.3.100.0030.0138.17
4.3.90.0030.0138.17
4.3.80.0070.0178.17
4.3.70.0000.0138.17
4.3.60.0000.0208.17
4.3.50.0000.0138.17
4.3.40.0000.0238.17
4.3.30.0000.0178.17
4.3.20.0000.0178.17
4.3.10.0000.0138.17
4.3.00.0030.0138.17

preferences:
45.21 ms | 401 KiB | 5 Q