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('<ul>'); getCategory($row); echo('</ul>'); } else { echo('<li>'.$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)
8.3.60.0080.00618.45
8.3.50.0080.01021.95
8.3.40.0140.00318.97
8.3.30.0100.00719.29
8.3.20.0040.00420.25
8.3.10.0040.00423.59
8.3.00.0050.00321.02
8.2.180.0110.00818.41
8.2.170.0140.00322.96
8.2.160.0060.01220.35
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0170.00026.16
8.2.120.0000.00819.48
8.2.110.0060.00322.30
8.2.100.0080.00418.34
8.2.90.0030.00519.35
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0000.00817.90
8.2.50.0000.00918.07
8.2.40.0030.00520.07
8.2.30.0000.00718.29
8.2.20.0040.00417.77
8.2.10.0040.00418.26
8.2.00.0050.00317.88
8.1.280.0180.00325.92
8.1.270.0060.00322.19
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0000.00923.92
8.1.230.0090.00319.14
8.1.220.0000.00817.75
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0050.00317.22
8.1.180.0000.00918.10
8.1.170.0000.00818.66
8.1.160.0040.00422.02
8.1.150.0040.00418.53
8.1.140.0040.00417.48
8.1.130.0000.00617.80
8.1.120.0070.00017.41
8.1.110.0030.00517.41
8.1.100.0040.00417.52
8.1.90.0000.00717.46
8.1.80.0040.00417.39
8.1.70.0070.00017.39
8.1.60.0000.00817.62
8.1.50.0030.00617.48
8.1.40.0040.00417.39
8.1.30.0000.00817.50
8.1.20.0040.00417.58
8.1.10.0000.00817.53
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0070.00018.51
8.0.270.0070.00017.25
8.0.260.0020.00517.28
8.0.250.0070.00016.83
8.0.240.0030.00616.99
8.0.230.0000.00717.04
8.0.220.0030.00316.95
8.0.210.0000.00616.78
8.0.200.0000.00617.00
8.0.190.0060.00317.02
8.0.180.0040.00416.97
8.0.170.0030.00517.00
8.0.160.0050.00316.86
8.0.150.0040.00416.88
8.0.140.0030.00616.87
8.0.130.0030.00313.34
8.0.120.0030.00516.97
8.0.110.0040.00416.78
8.0.100.0000.00716.94
8.0.90.0030.00616.79
8.0.80.0180.00316.95
8.0.70.0000.00716.71
8.0.60.0040.00416.88
8.0.50.0000.00816.93
8.0.30.0120.00617.02
8.0.20.0150.00617.40
8.0.10.0000.00817.16
8.0.00.0110.00716.83
7.4.330.0050.00015.00
7.4.320.0030.00316.54
7.4.300.0000.00616.38
7.4.290.0030.00316.61
7.4.280.0000.00816.52
7.4.270.0050.00216.44
7.4.260.0050.00516.56
7.4.250.0000.00716.44
7.4.240.0050.00216.55
7.4.230.0000.00716.37
7.4.220.0100.00716.56
7.4.210.0060.00916.57
7.4.200.0070.00016.51
7.4.160.0050.01216.35
7.4.150.0070.01717.40
7.4.140.0130.00817.86
7.4.130.0060.01116.50
7.4.120.0120.00616.54
7.4.110.0090.00916.72
7.4.100.0120.00616.57
7.4.90.0050.01116.33
7.4.80.0120.00619.39
7.4.70.0060.01016.38
7.4.60.0030.01616.30
7.4.50.0040.00416.43
7.4.40.0060.01116.52
7.4.30.0080.00816.45
7.4.00.0070.01114.79
7.3.330.0000.00513.30
7.3.320.0030.00213.24
7.3.310.0070.00016.39
7.3.300.0030.00316.39
7.3.290.0030.01116.36
7.3.280.0090.01016.41
7.3.270.0100.00717.40
7.3.260.0110.00716.63
7.3.250.0130.00616.46
7.3.240.0110.00716.66
7.3.230.0100.00716.57
7.3.210.0090.00916.43
7.3.200.0140.00719.39
7.3.190.0130.00616.72
7.3.180.0030.01216.70
7.3.170.0090.00616.43
7.3.160.0070.01016.59
7.3.120.0080.00814.90
7.3.110.0120.00614.90
7.3.100.0060.00914.78
7.3.90.0080.00314.75
7.3.80.0100.00214.77
7.3.70.0080.00515.06
7.3.60.0090.00614.90
7.3.50.0040.00714.83
7.3.40.0060.00714.81
7.3.30.0060.00914.88
7.3.20.0030.01016.82
7.3.10.0050.00816.64
7.3.00.0030.00816.63
7.2.330.0120.00616.70
7.2.320.0120.00416.46
7.2.310.0100.00716.36
7.2.300.0060.00916.61
7.2.290.0120.00916.66
7.2.250.0090.01015.02
7.2.240.0110.00715.02
7.2.230.0070.00615.04
7.2.220.0050.00814.98
7.2.210.0060.00915.11
7.2.200.0080.00515.11
7.2.190.0050.01114.93
7.2.180.0020.01014.93
7.2.170.0000.01615.11
7.2.60.0080.00816.87
7.2.00.0080.00319.33
7.1.330.0050.01015.86
7.1.320.0060.00715.78
7.1.310.0060.00515.91
7.1.300.0040.00915.63
7.1.290.0050.00715.67
7.1.280.0030.01115.84
7.1.270.0020.00815.88
7.1.260.0080.00815.82
7.1.200.0000.01415.91
7.1.100.0070.01018.16
7.1.70.0000.00917.00
7.1.60.0100.01619.70
7.1.50.0070.01116.95
7.1.00.0030.07322.29
7.0.200.0040.00416.80
7.0.140.0100.06722.18
7.0.100.0030.05720.06
7.0.90.0070.06020.14
7.0.80.0000.04019.89
7.0.70.0030.05319.90
7.0.60.0000.04719.86
7.0.50.0070.04020.16
7.0.40.0030.05720.08
7.0.30.0100.03720.05
7.0.20.0030.04320.17
7.0.10.0000.04319.91
7.0.00.0030.04320.18
5.6.280.0030.07721.13
5.6.250.0100.04720.60
5.6.240.0030.04320.51
5.6.230.0070.04020.55
5.6.220.0070.03720.69
5.6.210.0000.04320.76
5.6.200.0030.04321.15
5.6.190.0070.07721.01
5.6.180.0000.04321.13
5.6.170.0000.04721.02
5.6.160.0100.03321.15
5.6.150.0070.03320.96
5.6.140.0070.03721.10
5.6.130.0000.05020.96
5.6.120.0030.04321.04
5.6.110.0000.05021.08
5.6.100.0000.04721.04
5.6.90.0030.04321.07
5.6.80.0100.03020.43
5.6.70.0130.03020.56
5.6.60.0070.04020.38
5.6.50.0030.04320.41
5.6.40.0030.08320.38
5.6.30.0070.06320.48
5.6.20.0200.06320.32
5.6.10.0130.07320.40
5.6.00.0030.08020.39
5.5.380.0030.05020.38
5.5.370.0000.04320.57
5.5.360.0030.04720.35
5.5.350.0100.03720.44
5.5.340.0070.04020.82
5.5.330.0030.04020.84
5.5.320.0070.03720.81
5.5.310.0070.03720.84
5.5.300.0070.03720.92
5.5.290.0000.05020.90
5.5.280.0030.04320.84
5.5.270.0030.04320.93
5.5.260.0030.05320.92
5.5.250.0000.04320.70
5.5.240.0070.04020.28
5.5.230.0070.03720.27
5.5.220.0100.03320.18
5.5.210.0070.05020.18
5.5.200.0170.08020.15
5.5.190.0000.08720.24
5.5.180.0100.05720.14
5.5.160.0100.03320.23
5.5.150.0000.08020.22
5.5.140.0000.07720.09
5.5.130.0030.04320.21
5.5.120.0000.07320.22
5.5.110.0070.03720.24
5.5.100.0100.08020.04
5.5.90.0130.08020.11
5.5.80.0100.08020.12
5.5.70.0100.08320.01
5.5.60.0070.03720.05
5.5.50.0030.07320.15
5.5.40.0230.07020.15
5.5.30.0070.04720.20
5.5.20.0130.07020.14
5.5.10.0030.08320.07
5.5.00.0070.08020.05
5.4.450.0030.05719.36
5.4.440.0030.04019.45
5.4.430.0030.04019.53
5.4.420.0070.03319.37
5.4.410.0030.04019.04
5.4.400.0030.04719.04
5.4.390.0070.03319.10
5.4.380.0070.06019.21
5.4.370.0030.04019.05
5.4.360.0070.07319.18
5.4.350.0070.07719.15
5.4.340.0070.06019.05
5.4.320.0000.07019.04
5.4.310.0030.04319.18
5.4.300.0030.07319.05
5.4.290.0100.07019.09
5.4.280.0070.06719.21
5.4.270.0100.07018.90
5.4.260.0000.07019.02
5.4.250.0000.05019.22
5.4.240.0070.06719.09
5.4.230.0200.05719.08
5.4.220.0070.03719.02
5.4.210.0030.07019.04
5.4.200.0100.07319.02
5.4.190.0130.07019.11
5.4.180.0070.06019.20
5.4.170.0170.06719.04
5.4.160.0100.06018.85
5.4.150.0070.07719.01
5.4.140.0170.06016.21
5.4.130.0070.05316.32
5.4.120.0000.08016.41
5.4.110.0030.08316.39
5.4.100.0030.07316.40
5.4.90.0070.07016.48
5.4.80.0070.06716.39
5.4.70.0170.07316.46
5.4.60.0170.06316.42
5.4.50.0100.07016.47
5.4.40.0070.06716.52
5.4.30.0070.06716.49
5.4.20.0030.07316.50
5.4.10.0100.06716.33
5.4.00.0100.07015.85
5.3.290.0000.07714.68
5.3.280.0000.04714.72
5.3.270.0100.08014.61
5.3.260.0070.07714.61
5.3.250.0130.03714.58
5.3.240.0100.06714.73
5.3.230.0000.08014.55
5.3.220.0100.07714.70
5.3.210.0070.07714.68
5.3.200.0100.07314.70
5.3.190.0170.06714.63
5.3.180.0130.06714.63
5.3.170.0070.07714.64
5.3.160.0100.06314.56
5.3.150.0070.06014.52
5.3.140.0000.07314.70
5.3.130.0070.07714.58
5.3.120.0030.07714.61
5.3.110.0070.07014.52
5.3.100.0030.08014.06
5.3.90.0030.06314.08
5.3.80.0030.06714.12
5.3.70.0070.07014.02
5.3.60.0100.07313.99
5.3.50.0000.07713.86
5.3.40.0070.07014.05
5.3.30.0000.06013.93
5.3.20.0070.07013.76
5.3.10.0070.07013.59
5.3.00.0000.06713.54
5.2.170.0070.05312.33
5.2.160.0000.04012.33
5.2.150.0070.05312.33
5.2.140.0070.06312.33
5.2.130.0070.05012.33
5.2.120.0030.05712.33
5.2.110.0000.07012.33
5.2.100.0000.07012.33
5.2.90.0100.05312.33
5.2.80.0070.03012.33
5.2.70.0070.06012.33
5.2.60.0130.05712.33
5.2.50.0170.03312.33
5.2.40.0070.06312.33
5.2.30.0100.06012.33
5.2.20.0100.02712.33
5.2.10.0100.05312.33
5.2.00.0000.05712.33
5.1.60.0130.04712.33
5.1.50.0030.05012.33
5.1.40.0070.05312.33
5.1.30.0030.05712.33
5.1.20.0030.05712.33
5.1.10.0030.03012.33
5.1.00.0000.06012.33
5.0.50.0100.04012.33
5.0.40.0030.02312.33
5.0.30.0030.06012.33
5.0.20.0030.04312.33
5.0.10.0000.04712.33
5.0.00.0070.05712.33
4.4.90.0000.02712.33
4.4.80.0000.02012.33
4.4.70.0000.04012.33
4.4.60.0030.03312.33
4.4.50.0070.03012.33
4.4.40.0000.05712.33
4.4.30.0000.03712.33
4.4.20.0000.03712.33
4.4.10.0030.03012.33
4.4.00.0070.05312.33
4.3.110.0070.03312.33
4.3.100.0000.03312.33
4.3.90.0030.03312.33
4.3.80.0030.02712.33
4.3.70.0000.02012.33
4.3.60.0030.03712.33
4.3.50.0030.03312.33
4.3.40.0030.05312.33
4.3.30.0000.03712.33
4.3.20.0030.03712.33
4.3.10.0070.03012.33
4.3.00.0030.03712.33

preferences:
42.42 ms | 401 KiB | 5 Q