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 echo '<br><br>'; 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)
8.3.60.0140.00718.68
8.3.50.0070.00922.04
8.3.40.0130.00618.94
8.3.30.0100.00320.21
8.3.20.0000.00720.30
8.3.10.0050.00322.15
8.3.00.0040.00422.45
8.2.180.0040.01216.88
8.2.170.0110.00722.96
8.2.160.0070.00722.31
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0060.01026.16
8.2.120.0000.00820.72
8.2.110.0090.01222.17
8.2.100.0060.00617.97
8.2.90.0000.00819.26
8.2.80.0060.00319.30
8.2.70.0060.00317.47
8.2.60.0050.00318.00
8.2.50.0050.00318.07
8.2.40.0040.00419.94
8.2.30.0040.00419.40
8.2.20.0000.00717.62
8.2.10.0000.00817.80
8.2.00.0070.00017.76
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0030.00623.81
8.1.230.0070.00420.79
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0030.00617.65
8.1.180.0030.00619.13
8.1.170.0030.00618.51
8.1.160.0070.00418.96
8.1.150.0040.00418.66
8.1.140.0040.00417.38
8.1.130.0070.00017.77
8.1.120.0040.00417.46
8.1.110.0040.00417.46
8.1.100.0040.00417.46
8.1.90.0000.00717.48
8.1.80.0030.00517.45
8.1.70.0050.00317.47
8.1.60.0060.00317.63
8.1.50.0040.00417.43
8.1.40.0030.00517.54
8.1.30.0040.00417.64
8.1.20.0060.00317.55
8.1.10.0030.00617.59
8.1.00.0060.00317.55
8.0.300.0050.00318.77
8.0.290.0040.00417.15
8.0.280.0070.00018.39
8.0.270.0000.00717.34
8.0.260.0030.00316.79
8.0.250.0030.00316.95
8.0.240.0040.00416.92
8.0.230.0040.00417.00
8.0.220.0090.00016.97
8.0.210.0000.00816.95
8.0.200.0030.00316.90
8.0.190.0040.00417.11
8.0.180.0040.00417.00
8.0.170.0090.00017.02
8.0.160.0000.00716.95
8.0.150.0050.00316.90
8.0.140.0050.00316.80
8.0.130.0060.00013.41
8.0.120.0020.00516.97
8.0.110.0030.00616.96
8.0.100.0050.00316.77
8.0.90.0000.00716.98
8.0.80.0040.01216.96
8.0.70.0060.00317.03
8.0.60.0040.00417.02
8.0.50.0030.00616.85
8.0.30.0180.00317.09
8.0.20.0070.01117.40
8.0.10.0070.00017.21
8.0.00.0090.01016.83
7.4.330.0030.00315.00
7.4.320.0030.00316.64
7.4.300.0000.00916.55
7.4.290.0000.00616.62
7.4.280.0040.00416.61
7.4.270.0040.00416.45
7.4.260.0030.00313.28
7.4.250.0030.00616.54
7.4.240.0060.00216.56
7.4.230.0030.00316.56
7.4.220.0030.01316.55
7.4.210.0090.00516.64
7.4.200.0070.00016.65
7.4.190.0030.00316.70
7.4.160.0130.00416.50
7.4.150.0090.00917.40
7.4.140.0070.00917.86
7.4.130.0080.01016.55
7.4.120.0120.00416.70
7.4.110.0120.00616.53
7.4.100.0120.00816.75
7.4.90.0140.00516.43
7.4.80.0030.01619.39
7.4.70.0120.00616.40
7.4.60.0110.00516.76
7.4.50.0090.00016.47
7.4.40.0120.00622.77
7.4.30.0030.01216.69
7.4.00.0070.01114.91
7.3.330.0030.00313.48
7.3.320.0020.00213.32
7.3.310.0050.00316.50
7.3.300.0070.00016.43
7.3.290.0030.01016.38
7.3.280.0090.00816.46
7.3.270.0110.00517.40
7.3.260.0080.01116.61
7.3.250.0140.00616.47
7.3.240.0120.00616.54
7.3.230.0110.00616.45
7.3.210.0130.00316.44
7.3.200.0100.00719.39
7.3.190.0100.00616.55
7.3.180.0060.01016.46
7.3.170.0060.00916.77
7.3.160.0060.01016.59
7.3.120.0030.01515.00
7.3.00.0030.01316.28
7.2.330.0070.01116.49
7.2.320.0060.01216.77
7.2.310.0090.00916.41
7.2.300.0180.00016.80
7.2.290.0110.01216.38
7.2.130.0080.00616.76
7.2.120.0070.01016.73
7.2.110.0120.00416.64
7.2.100.0070.01116.43
7.2.90.0070.01016.55
7.2.80.0150.00316.50
7.2.70.0080.00816.62
7.2.60.0070.01116.77
7.2.50.0100.01016.83
7.2.40.0070.01016.76
7.2.30.0190.00616.79
7.2.20.0100.00717.11
7.2.10.0120.00916.98
7.2.00.0090.00518.14
7.1.250.0070.00715.74
7.1.240.0030.01015.54
7.1.230.0130.00315.63
7.1.220.0060.00915.88
7.1.210.0140.00215.71
7.1.200.0060.00915.75
7.1.190.0120.00315.69
7.1.180.0120.00315.67
7.1.170.0030.01015.69
7.1.160.0090.00615.63
7.1.150.0070.01015.50
7.1.140.0130.00315.80
7.1.130.0140.00015.84
7.1.120.0100.00915.79
7.1.110.0140.00715.91
7.1.100.0070.01017.17
7.1.90.0180.01115.96
7.1.80.0140.00915.89
7.1.70.0110.00516.40
7.1.60.0140.00817.35
7.1.50.0030.01716.27
7.1.40.0120.01215.50
7.1.30.0160.00815.88
7.1.20.0200.00515.90
7.1.10.0120.01216.00
7.1.00.0130.01819.06
7.0.330.0030.00915.21
7.0.320.0060.00615.39
7.0.310.0120.00415.23
7.0.300.0080.00815.28
7.0.290.0100.01015.40
7.0.280.0080.00415.34
7.0.270.0060.01015.30
7.0.260.0080.00815.36
7.0.250.0070.00715.32
7.0.240.0100.00715.05
7.0.230.0090.00615.07
7.0.220.0070.01015.39
7.0.210.0070.00715.17
7.0.200.0150.00514.99
7.0.190.0120.00615.29
7.0.180.0100.00715.23
7.0.170.0060.01515.17
7.0.160.0100.00715.24
7.0.150.0040.01214.86
7.0.140.0050.04218.53
7.0.130.0070.01015.16
7.0.120.0120.00615.21
7.0.110.0150.00015.00
7.0.100.0090.04117.59
7.0.90.0110.04317.47
7.0.80.0110.04017.51
7.0.70.0060.04317.46
7.0.60.0110.02517.34
7.0.50.0280.02717.77
7.0.40.0090.04216.68
7.0.30.0100.02316.41
7.0.20.0020.03116.59
7.0.10.0060.02916.65
7.0.00.0110.02416.80
5.6.380.0000.01214.35
5.6.370.0040.01514.22
5.6.360.0060.01214.64
5.6.350.0090.00614.25
5.6.340.0030.01214.21
5.6.330.0000.01014.55
5.6.320.0040.01114.53
5.6.310.0070.01014.33
5.6.300.0000.01214.32
5.6.290.0100.00314.06
5.6.280.0050.04017.66
5.6.270.0030.01314.31
5.6.260.0120.00314.45
5.6.250.0070.03317.58
5.6.240.0070.02917.35
5.6.230.0120.04217.46
5.6.220.0030.04217.47
5.6.210.0030.04417.47
5.6.200.0080.04317.58
5.6.190.0100.04317.69
5.6.180.0080.02217.69
5.6.170.0100.02217.72
5.6.160.0070.02317.47
5.6.150.0120.02217.54
5.6.140.0070.02417.77
5.6.130.0060.02617.52
5.6.120.0050.02517.49
5.6.110.0070.02317.61
5.6.100.0040.04817.61
5.6.90.0080.03317.57
5.6.80.0080.02017.25
5.6.70.0070.02217.26
5.6.60.0110.01817.22
5.6.50.0050.02517.11
5.6.40.0040.02917.35
5.6.30.0030.02517.30
5.6.20.0070.02417.11
5.6.10.0060.02417.21
5.6.00.0080.02517.14
5.5.380.0070.04415.79
5.5.370.0090.03815.82
5.5.360.0010.04315.82
5.5.350.0080.02715.62
5.5.340.0090.04015.97
5.5.330.0030.02615.98
5.5.320.0020.02916.05
5.5.310.0050.02516.09
5.5.300.0060.02316.00
5.5.290.0110.01815.83
5.5.280.0060.01916.06
5.5.270.0030.03116.11
5.5.260.0050.02216.13
5.5.250.0090.02215.95
5.5.240.0040.02415.58
5.5.230.0050.02215.70
5.5.220.0030.02415.56
5.5.210.0020.02415.54
5.5.200.0010.02415.58
5.5.190.0030.02615.78
5.5.180.0050.02215.57
5.5.170.0090.00610.92
5.5.160.0080.01815.69
5.5.150.0050.02315.61
5.5.140.0070.02015.68
5.5.130.0030.02315.59
5.5.120.0070.02015.74
5.5.110.0120.01215.54
5.5.100.0010.02415.49
5.5.90.0080.01415.51
5.5.80.0090.01715.65
5.5.70.0110.01615.55
5.5.60.0080.01715.54
5.5.50.0030.02415.53
5.5.40.0050.02315.46
5.5.30.0050.02015.48
5.5.20.0050.02215.57
5.5.10.0110.02015.49
5.5.00.0020.02315.49
5.4.450.0030.02315.23
5.4.440.0060.01915.26
5.4.430.0020.02415.20
5.4.420.0060.04015.27
5.4.410.0040.04115.13
5.4.400.0020.02315.22
5.4.390.0030.02515.05
5.4.380.0050.02115.05
5.4.370.0050.02215.11
5.4.360.0030.02614.97
5.4.350.0050.01915.10
5.4.340.0040.02014.96
5.4.330.0070.00410.99
5.4.320.0040.02415.09
5.4.310.0080.02114.96
5.4.300.0030.02114.96
5.4.290.0000.02615.10
5.4.280.0100.01715.12
5.4.270.0030.02015.02
5.4.260.0060.01814.99
5.4.250.0030.02315.04
5.4.240.0070.01715.03
5.4.230.0030.02514.94
5.4.220.0070.01614.97
5.4.210.0070.01715.01
5.4.200.0030.02515.01
5.4.190.0070.01915.06
5.4.180.0060.01515.11
5.4.170.0020.02114.88
5.4.160.0050.02815.06
5.4.150.0050.02415.09
5.4.140.0070.03813.74
5.4.130.0090.03013.64
5.4.120.0030.02013.73
5.4.110.0100.03613.74
5.4.100.0030.04213.85
5.4.90.0050.02213.76
5.4.80.0070.03813.68
5.4.70.0050.02413.68
5.4.60.0050.03513.69
5.4.50.0100.02813.67
5.4.40.0050.02413.83
5.4.30.0050.03713.65
5.4.20.0100.03513.80
5.4.10.0050.03713.78
5.4.00.0110.03313.41
5.3.290.0030.02112.84
5.3.280.0050.01912.72
5.3.270.0030.02112.76
5.3.260.0020.02312.74
5.3.250.0010.02112.81
5.3.240.0080.03312.81
5.3.230.0060.03612.76
5.3.220.0020.02712.70
5.3.210.0060.02112.77
5.3.200.0130.02812.72
5.3.190.0090.03412.71
5.3.180.0050.04212.75
5.3.170.0030.02512.74
5.3.160.0050.03212.73
5.3.150.0100.03112.79
5.3.140.0060.03812.76
5.3.130.0100.01812.72
5.3.120.0060.03912.74
5.3.110.0030.03612.72
5.3.100.0100.03412.49
5.3.90.0060.03412.46
5.3.80.0090.03612.48
5.3.70.0050.02512.41
5.3.60.0030.02612.42
5.3.50.0040.03712.50
5.3.40.0070.03712.45
5.3.30.0070.03712.37
5.3.20.0050.02312.35
5.3.10.0020.02512.29
5.3.00.0030.04012.34
5.2.170.0020.02410.97
5.2.160.0060.03311.04
5.2.150.0090.01510.98
5.2.140.0050.03311.05
5.2.130.0050.01510.97
5.2.120.0030.03511.01
5.2.110.0070.01211.04
5.2.100.0030.02011.03
5.2.90.0020.02211.07
5.2.80.0030.03311.07
5.2.70.0030.03310.93
5.2.60.0050.02811.00
5.2.50.0020.02810.98
5.2.40.0030.03611.02
5.2.30.0070.03011.00
5.2.20.0030.03210.93
5.2.10.0030.03010.94
5.2.00.0030.01610.81
5.1.60.0060.01210.48
5.1.50.0070.02510.47
5.1.40.0050.02810.47
5.1.30.0030.03110.60
5.1.20.0050.02210.66
5.1.10.0080.02510.48
5.1.00.0020.02010.48
5.0.50.0080.0139.75
5.0.40.0030.0239.69
5.0.30.0030.0259.62
5.0.20.0070.0199.62
5.0.10.0000.0189.62
5.0.00.0020.0319.62
4.4.90.0040.0189.62
4.4.80.0000.0209.62
4.4.70.0020.0129.62
4.4.60.0020.0179.62
4.4.50.0030.0099.62
4.4.40.0030.0279.62
4.4.30.0020.0109.62
4.4.20.0000.0169.62
4.4.10.0000.0189.62
4.4.00.0080.0239.62
4.3.110.0030.0169.62
4.3.100.0010.0199.62
4.3.90.0060.0139.62
4.3.80.0000.0259.62
4.3.70.0040.0189.62
4.3.60.0020.0189.62
4.3.50.0000.0109.62
4.3.40.0000.0229.62
4.3.30.0000.0199.62
4.3.20.0000.0179.62
4.3.10.0020.0209.62
4.3.00.0020.0179.62

preferences:
60.86 ms | 400 KiB | 5 Q