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['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($categoryArray); function getCategory($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)
8.3.60.0110.01118.68
8.3.50.0090.00521.20
8.3.40.0140.00718.98
8.3.30.0100.00720.33
8.3.20.0000.00820.25
8.3.10.0060.00321.77
8.3.00.0040.00422.44
8.2.180.0130.00718.41
8.2.170.0110.01122.96
8.2.160.0120.00322.11
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0090.00626.16
8.2.120.0040.00420.68
8.2.110.0090.00022.29
8.2.100.0090.00318.03
8.2.90.0030.00619.27
8.2.80.0000.00719.34
8.2.70.0000.00817.50
8.2.60.0090.00018.05
8.2.50.0000.00818.07
8.2.40.0080.00019.95
8.2.30.0000.00819.52
8.2.20.0040.00417.70
8.2.10.0000.00817.84
8.2.00.0000.00917.79
8.1.280.0140.00325.92
8.1.270.0090.00023.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.84
8.1.230.0060.00619.23
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.63
8.1.180.0030.00619.01
8.1.170.0080.00018.48
8.1.160.0060.00318.82
8.1.150.0080.00018.57
8.1.140.0000.00817.41
8.1.130.0030.00317.89
8.1.120.0040.00417.48
8.1.110.0000.00717.38
8.1.100.0080.00017.36
8.1.90.0040.00417.45
8.1.80.0000.00817.41
8.1.70.0070.00017.38
8.1.60.0040.00417.64
8.1.50.0050.00217.46
8.1.40.0000.00817.44
8.1.30.0040.00417.60
8.1.20.0030.00617.67
8.1.10.0000.00817.59
8.1.00.0000.00917.39
8.0.300.0080.00018.77
8.0.290.0000.00716.93
8.0.280.0030.00318.38
8.0.270.0040.00417.29
8.0.260.0030.00316.95
8.0.250.0030.00516.94
8.0.240.0040.00417.05
8.0.230.0040.00417.08
8.0.220.0030.00316.88
8.0.210.0070.00016.95
8.0.200.0030.00317.08
8.0.190.0030.00516.93
8.0.180.0040.00417.04
8.0.170.0000.00716.93
8.0.160.0000.00816.92
8.0.150.0030.00316.81
8.0.140.0000.00816.83
8.0.130.0030.00313.39
8.0.120.0040.00416.93
8.0.110.0040.00416.95
8.0.100.0000.00717.09
8.0.90.0070.00016.87
8.0.80.0070.01016.97
8.0.70.0030.00516.92
8.0.60.0030.00516.97
8.0.50.0030.00516.75
8.0.30.0160.00317.00
8.0.20.0090.01117.40
8.0.10.0070.00016.92
8.0.00.0150.00516.83
7.4.330.0000.00515.00
7.4.320.0030.00316.63
7.4.300.0000.00616.44
7.4.290.0000.00816.45
7.4.280.0000.00716.42
7.4.270.0030.00316.65
7.4.260.0030.00313.29
7.4.250.0050.00216.44
7.4.240.0030.00516.56
7.4.230.0080.00016.64
7.4.220.0030.01416.74
7.4.210.0070.01116.53
7.4.200.0040.00416.65
7.4.190.0030.00316.62
7.4.160.0030.01316.42
7.4.150.0070.01117.40
7.4.140.0070.01017.86
7.4.130.0080.00816.65
7.4.120.0100.00716.42
7.4.110.0150.00316.58
7.4.100.0120.00816.61
7.4.90.0130.00316.64
7.4.80.0060.01619.39
7.4.70.0090.00816.56
7.4.60.0100.00716.44
7.4.50.0040.00416.23
7.4.40.0110.00622.77
7.4.30.0110.00516.69
7.4.00.0050.01215.10
7.3.330.0050.00213.45
7.3.320.0030.00313.52
7.3.310.0000.00716.48
7.3.300.0030.00316.49
7.3.290.0040.01416.41
7.3.280.0090.00616.41
7.3.270.0040.01417.40
7.3.260.0150.00316.32
7.3.250.0070.01116.41
7.3.240.0160.00616.62
7.3.230.0090.00916.46
7.3.210.0110.00616.48
7.3.200.0100.00719.39
7.3.190.0110.00616.64
7.3.180.0090.00916.38
7.3.170.0110.00716.42
7.3.160.0130.00716.58
7.3.120.0080.01014.81
7.3.110.0100.01014.98
7.3.100.0060.01014.90
7.3.90.0090.00614.66
7.3.80.0100.00714.97
7.3.70.0000.01314.72
7.3.60.0040.00814.51
7.3.50.0080.01114.99
7.3.40.0030.01014.63
7.3.30.0030.00715.00
7.3.20.0070.01016.81
7.3.10.0070.01016.75
7.3.00.0060.00916.78
7.2.330.0110.00716.88
7.2.320.0080.01016.52
7.2.310.0000.01816.61
7.2.300.0060.01116.89
7.2.290.0050.01416.81
7.2.250.0000.01715.08
7.2.240.0140.00715.22
7.2.230.0000.01314.83
7.2.220.0040.00814.98
7.2.210.0000.01514.77
7.2.200.0030.01015.05
7.2.190.0030.01015.13
7.2.180.0070.01014.96
7.2.170.0060.00615.09
7.2.00.0030.00919.52
7.1.330.0090.00615.58
7.1.320.0040.00815.90
7.1.310.0110.00015.54
7.1.300.0160.00015.85
7.1.290.0070.01015.97
7.1.280.0030.00615.43
7.1.270.0100.00615.95
7.1.260.0070.00715.82
7.1.100.0030.00818.14
7.1.70.0000.00717.24
7.1.60.0060.00619.29
7.1.50.0060.01916.98
7.1.00.0070.03022.26
7.0.200.1440.00714.46
7.0.140.0070.07321.95
7.0.60.0000.04719.83
7.0.50.0070.08017.89
7.0.40.0130.08019.96
7.0.30.0230.08020.12
7.0.20.0230.05320.45
7.0.10.0130.08020.21
7.0.00.0000.09020.09
5.6.280.0030.07721.11
5.6.210.0030.05020.63
5.6.200.0030.04018.16
5.6.190.0000.04720.43
5.6.180.0270.07720.63
5.6.170.0330.06320.71
5.6.160.0170.07320.45
5.6.150.0070.06018.19
5.6.140.0100.07718.15
5.6.130.0070.07718.16
5.6.120.0100.06720.89
5.6.110.0070.08721.05
5.6.100.0070.04321.14
5.6.90.0100.03320.99
5.6.80.0070.08320.39
5.5.350.0330.04320.35
5.5.340.0030.04017.98
5.5.330.0100.08020.29
5.5.320.0200.05320.34
5.5.310.0300.04720.23
5.5.300.0030.05717.96
5.5.290.0070.08317.94
5.5.280.0070.08020.71
5.5.270.0030.05020.80
5.5.260.0130.05020.91
5.5.250.0170.07320.80
5.5.240.0070.04320.05
5.4.450.3470.03719.48
5.4.440.3100.04319.32
5.4.430.3330.04319.54
5.4.420.3430.04319.63
5.4.410.3400.04019.36
5.4.400.3570.03318.80
5.4.390.3400.04018.99
5.4.380.3030.04019.08
5.4.370.3330.03319.24
5.4.360.3230.04018.84
5.4.350.3430.03018.98
5.4.340.3930.03718.98
5.4.320.4000.04019.06
5.4.310.3870.03718.87
5.4.300.3070.04319.22
5.4.290.3470.03318.84
5.4.280.3600.05019.20
5.4.270.3030.03718.94
5.4.260.3570.04319.31
5.4.250.3430.03319.23
5.4.240.2930.04318.97
5.4.230.3430.03318.86
5.4.220.3400.04019.07
5.4.210.3370.04019.13
5.4.200.3300.04019.09
5.4.190.3400.03719.19
5.4.180.3300.04319.14
5.4.170.3530.03718.86
5.4.160.3370.04319.12
5.4.150.3370.04019.11
5.4.140.3300.03316.41
5.4.130.3370.03716.34
5.4.120.3330.03016.51
5.4.110.3200.03016.63
5.4.100.3330.04316.56
5.4.90.3570.03716.45
5.4.80.3430.03716.57
5.4.70.3430.03716.59
5.4.60.3330.04016.43
5.4.50.3430.03016.53
5.4.40.3470.04716.34
5.4.30.3000.03016.38
5.4.20.3400.03716.44
5.4.10.3570.04016.43
5.4.00.3100.03316.12
5.3.290.3170.03314.69
5.3.280.3100.04014.52
5.3.270.3470.03314.52
5.3.260.3170.04014.61
5.3.250.3500.02714.54
5.3.240.3170.03714.53
5.3.230.3400.04314.73
5.3.220.3370.05014.55
5.3.210.3400.04314.59
5.3.200.3100.03714.63
5.3.190.3700.04714.66
5.3.180.3370.03714.72
5.3.170.3370.04014.50
5.3.160.3670.04314.54
5.3.150.3370.03714.55
5.3.140.3430.03714.68
5.3.130.3130.03314.64
5.3.120.4070.04014.47
5.3.110.3230.04014.48
5.3.100.3370.03314.27
5.3.90.4100.04014.05
5.3.80.3170.03314.01
5.3.70.3400.04014.01
5.3.60.3400.03313.93
5.3.50.3370.04013.93
5.3.40.3470.03713.93
5.3.30.3400.03314.04
5.3.20.2870.03713.93
5.3.10.3130.03313.93
5.3.00.3170.03313.93
5.2.170.2870.03013.93
5.2.160.2600.03313.93
5.2.150.2770.03713.93
5.2.140.3400.03713.93
5.2.130.3230.02713.93
5.2.120.2830.03713.93
5.2.110.2700.02713.93
5.2.100.3030.03313.93
5.2.90.3030.03313.93
5.2.80.3570.03713.93
5.2.70.3300.02313.93
5.2.60.3470.02713.93
5.2.50.2730.03013.93
5.2.40.2370.02713.93
5.2.30.2300.03313.93
5.2.20.2070.03313.93
5.2.10.2630.02013.93
5.2.00.2570.03013.93
5.1.60.2770.02713.93
5.1.50.2800.02313.93
5.1.40.2900.02313.93
5.1.30.2570.02013.93
5.1.20.2270.03013.93
5.1.10.2600.01713.93
5.1.00.2370.03313.93
5.0.50.1200.02713.93
5.0.40.1300.02313.93
5.0.30.1070.03013.93
5.0.20.1270.02013.93
5.0.10.1300.02013.93
5.0.00.1030.03313.93
4.4.90.1100.01013.93
4.4.80.0900.01713.93
4.4.70.1230.02013.93
4.4.60.1200.01313.93
4.4.50.0070.03313.93
4.4.40.0030.05713.93
4.4.30.0000.03013.93
4.4.20.0030.02713.93
4.4.10.0000.02013.93
4.4.00.0070.05013.93
4.3.110.0030.03313.93
4.3.100.0000.02313.93
4.3.90.0030.02713.93
4.3.80.0000.03313.93
4.3.70.0700.02313.93
4.3.60.1230.02013.93
4.3.50.1330.01713.93
4.3.40.1400.03013.93
4.3.30.0670.02713.93
4.3.20.0530.01713.93
4.3.10.0670.02013.93
4.3.00.0830.02713.93

preferences:
40.86 ms | 401 KiB | 5 Q