3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A1 { public function rows() { $a = array(); $a[] = array('parent_id' => 0, 'category_id' => 7, 'name' => 'id7'); $a[] = array('parent_id' => 0, 'category_id' => 8, 'name' => 'id8'); $a[] = array('parent_id' => 0, 'category_id' => 9, 'name' => 'id9'); $a[] = array('parent_id' => 7, 'category_id' => 10, 'name' => 'id10'); $a[] = array('parent_id' => 7, 'category_id' => 11, 'name' => 'id11'); $a[] = array('parent_id' => 8, 'category_id' => 12, 'name' => 'id12'); $a[] = array('parent_id' => 10, 'category_id' => 13, 'name' => 'id13'); 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']; } else { $categoryArray[$row['parent_id']][$row['category_id']] = $row['name']; } } print_r($categoryArray);

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)
8.3.60.0070.00718.68
8.3.50.0150.00522.11
8.3.40.0150.00618.76
8.3.30.0150.00420.30
8.3.20.0100.00620.35
8.3.10.0040.00421.92
8.3.00.0050.00322.40
8.2.180.0180.00316.50
8.2.170.0100.00322.96
8.2.160.0030.01022.13
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00020.87
8.2.110.0050.00522.11
8.2.100.0120.00017.87
8.2.90.0040.00417.84
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0090.00018.05
8.2.50.0000.00818.07
8.2.40.0080.00020.07
8.2.30.0070.00019.36
8.2.20.0070.00017.66
8.2.10.0060.00317.76
8.2.00.0000.00717.80
8.1.280.0180.00325.92
8.1.270.0040.00423.99
8.1.260.0140.00026.35
8.1.250.0000.01428.09
8.1.240.0060.00318.92
8.1.230.0070.00320.88
8.1.220.0000.00917.79
8.1.210.0040.00418.95
8.1.200.0070.00317.35
8.1.190.0040.00417.52
8.1.180.0040.00418.98
8.1.170.0000.00818.67
8.1.160.0030.00618.86
8.1.150.0030.00518.65
8.1.140.0070.00017.41
8.1.130.0000.00717.69
8.1.120.0030.00517.40
8.1.110.0060.00317.45
8.1.100.0000.00817.45
8.1.90.0000.00717.40
8.1.80.0030.00317.46
8.1.70.0030.00317.44
8.1.60.0060.00317.59
8.1.50.0040.00417.55
8.1.40.0040.00417.46
8.1.30.0050.00317.56
8.1.20.0040.00417.68
8.1.10.0050.00317.54
8.1.00.0060.00617.35
8.0.300.0030.00720.03
8.0.290.0000.00717.28
8.0.280.0030.00318.38
8.0.270.0030.00317.27
8.0.260.0000.00716.83
8.0.250.0000.00717.01
8.0.240.0060.00316.97
8.0.230.0040.00316.98
8.0.220.0030.00316.86
8.0.210.0000.00716.93
8.0.200.0070.00016.90
8.0.190.0000.00816.88
8.0.180.0080.00016.80
8.0.170.0000.00816.86
8.0.160.0000.00816.82
8.0.150.0000.00716.84
8.0.140.0000.00716.88
8.0.130.0050.00013.26
8.0.120.0000.00816.89
8.0.110.0040.00416.89
8.0.100.0000.00716.88
8.0.90.0070.00016.74
8.0.80.0100.01116.92
8.0.70.0040.00416.86
8.0.60.0020.00516.97
8.0.50.0050.00216.76
8.0.30.0110.00817.23
8.0.20.0100.00817.40
8.0.10.0000.00716.87
8.0.00.0140.00616.81
7.4.330.0030.00315.00
7.4.320.0000.00616.41
7.4.300.0030.00316.59
7.4.290.0030.00316.56
7.4.280.0000.00716.61
7.4.270.0020.00516.44
7.4.260.0000.00513.19
7.4.250.0060.00316.50
7.4.240.0040.00416.57
7.4.230.0070.00016.42
7.4.220.0090.01416.56
7.4.210.0070.00716.66
7.4.200.0070.00016.61
7.4.190.0050.00316.51
7.4.160.0030.01416.30
7.4.150.0130.01017.40
7.4.140.0090.00817.86
7.4.130.0060.01016.51
7.4.120.0070.01116.65
7.4.110.0070.01016.53
7.4.100.0110.01516.39
7.4.90.0140.00316.38
7.4.80.0080.01119.39
7.4.70.0120.00716.54
7.4.60.0130.00316.39
7.4.50.0080.00016.64
7.4.40.0110.00422.77
7.4.30.0050.01116.53
7.4.00.0030.01215.04
7.3.330.0030.00313.24
7.3.320.0030.00313.36
7.3.310.0030.00316.45
7.3.300.0000.00716.23
7.3.290.0030.01016.30
7.3.280.0090.00816.37
7.3.270.0070.01017.40
7.3.260.0100.00716.30
7.3.250.0090.00816.36
7.3.240.0060.01316.39
7.3.230.0060.01016.45
7.3.210.0140.00316.54
7.3.200.0160.00619.39
7.3.190.0110.00616.43
7.3.180.0100.00616.27
7.3.170.0080.00816.45
7.3.160.0140.00616.43
7.3.120.0130.00314.84
7.3.110.0060.01215.11
7.3.100.0070.00714.81
7.3.90.0060.00614.89
7.3.80.0030.01214.59
7.3.70.0000.01315.04
7.3.60.0100.00614.85
7.3.50.0040.00714.73
7.3.40.0060.00314.50
7.3.30.0040.00714.64
7.3.20.0060.00316.68
7.3.10.0070.00716.58
7.3.00.0000.01216.68
7.2.330.0100.00616.80
7.2.320.0120.00616.47
7.2.310.0070.01016.72
7.2.300.0130.00316.82
7.2.290.0140.00316.84
7.2.240.0070.00314.86
7.2.230.0090.00615.11
7.2.220.0090.00314.75
7.2.210.0000.01115.00
7.2.200.0000.01515.17
7.2.190.0040.00815.14
7.2.180.0070.01115.19
7.2.170.0030.00915.09
7.2.160.0030.01015.13
7.2.150.0090.00617.07
7.2.140.0140.00016.98
7.2.130.0090.00617.07
7.2.120.0070.01016.85
7.2.110.0000.01117.03
7.2.100.0070.00716.97
7.2.90.0090.00617.13
7.2.80.0000.01117.05
7.2.70.0060.00917.01
7.2.60.0060.00916.95
7.2.50.0070.01017.12
7.2.40.0090.00616.95
7.2.30.0060.00617.02
7.2.20.0100.00717.04
7.2.10.0070.00717.09
7.2.00.0070.00718.16
7.1.330.0060.00915.70
7.1.320.0030.01015.68
7.1.310.0060.00916.03
7.1.300.0140.00015.47
7.1.290.0060.00615.49
7.1.280.0070.00415.67
7.1.270.0000.01315.71
7.1.260.0050.00215.69
7.1.250.0060.00915.68
7.1.200.0180.00415.48
7.1.100.0030.00918.19
7.1.70.0000.00817.19
7.1.60.0070.01719.29
7.1.50.0000.01416.69
7.1.00.0030.07322.40
7.0.200.0250.00614.60
7.0.140.0000.08021.93
7.0.110.0070.07319.94
7.0.100.0000.09020.10
7.0.90.0100.08019.95
7.0.80.0230.05720.06
7.0.70.0030.06720.06
7.0.60.0000.08719.90
7.0.50.0200.06720.50
7.0.40.0100.03720.09
7.0.30.0170.07319.96
7.0.20.0070.07720.18
7.0.10.0100.07320.03
7.0.00.0070.08720.27
5.6.280.0070.07021.02
5.6.260.0100.08020.70
5.6.250.0070.05020.68
5.6.240.0000.08320.48
5.6.230.0070.08320.71
5.6.220.0000.05720.64
5.6.210.0070.07320.66
5.6.200.0000.09021.09
5.6.190.0270.06321.06
5.6.180.0130.06721.29
5.6.170.0030.08021.06
5.6.160.0070.07321.20
5.6.150.0230.06020.99
5.6.140.0070.07020.99
5.6.130.0170.07320.94
5.6.120.0070.07721.29
5.6.110.0170.04021.14
5.6.100.0030.08021.24
5.6.90.0070.04321.17
5.6.80.0100.07020.47
5.6.70.0030.05720.52
5.6.60.0000.04320.59
5.6.50.0100.07020.31
5.6.40.0070.07320.27
5.6.30.0130.07320.38
5.6.20.0100.06720.57
5.6.10.0070.07020.57
5.6.00.0130.07020.54
5.5.380.0170.07320.46
5.5.370.0170.06720.55
5.5.360.0100.07720.57
5.5.350.0230.04020.37
5.5.340.0030.08720.88
5.5.330.0130.06721.02
5.5.320.0070.08020.98
5.5.310.0070.08320.91
5.5.300.0070.08320.80
5.5.290.0070.07320.77
5.5.280.0170.05720.81
5.5.270.0100.08320.81
5.5.260.0030.06720.70
5.5.250.0100.07720.52
5.5.240.0000.08320.41
5.5.230.0030.05720.33
5.5.220.0130.07320.12
5.5.210.0100.06320.35
5.5.200.0070.03720.23
5.5.190.0100.07720.31
5.5.180.0130.07720.16
5.5.160.0030.08020.30
5.5.150.0130.07020.14
5.5.140.0030.07320.16
5.5.130.0070.08020.19
5.5.120.0070.06320.25
5.5.110.0170.07020.25
5.5.100.0100.07320.23
5.5.90.0030.08020.05
5.5.80.0100.04720.05
5.5.70.0000.07720.27
5.5.60.0030.08320.13
5.5.50.0130.07319.99
5.5.40.0100.07320.24
5.5.30.0170.06720.13
5.5.20.0170.06719.91
5.5.10.0070.08320.24
5.5.00.0000.05720.10
5.4.450.0070.06319.66
5.4.440.0070.07319.47
5.4.430.0070.08019.64
5.4.420.0130.04319.33
5.4.410.0070.07319.54
5.4.400.0070.07719.02
5.4.390.0030.06319.02
5.4.380.0070.06019.14
5.4.370.0030.04719.23
5.4.360.0000.04718.95
5.4.350.0170.06319.26
5.4.340.0070.03719.34
5.4.320.0070.07019.00
5.4.310.0030.07319.31
5.4.300.0030.08019.18
5.4.290.0070.08018.98
5.4.280.0030.05019.16
5.4.270.0130.07019.16
5.4.260.0100.07319.18
5.4.250.0000.05719.19
5.4.240.0100.07319.18
5.4.230.0030.08019.08
5.4.220.0130.07319.33
5.4.210.0030.07719.00
5.4.200.0170.06719.03
5.4.190.0100.04319.17
5.4.180.0130.07019.16
5.4.170.0070.07719.13
5.4.160.0100.07718.98
5.4.150.0030.05019.31
5.4.140.0000.08016.53
5.4.130.0070.07316.29
5.4.120.0070.06016.38
5.4.110.0100.06716.48
5.4.100.0070.04716.57
5.4.90.0030.07316.48
5.4.80.0070.07016.64
5.4.70.0130.06716.30
5.4.60.0200.05716.48
5.4.50.0000.05016.54
5.4.40.0070.07316.34
5.4.30.0030.06716.52
5.4.20.0030.07316.54
5.4.10.0030.03716.33
5.4.00.0030.04016.04
5.3.290.0000.04014.70
5.3.280.0100.07014.75
5.3.270.0000.08714.65
5.3.260.0070.07314.62
5.3.250.0170.06714.73
5.3.240.0170.06714.59
5.3.230.0070.08014.73
5.3.220.0070.07714.70
5.3.210.0200.06314.66
5.3.200.0030.08014.80
5.3.190.0030.08014.56
5.3.180.0030.07314.64
5.3.170.0000.08314.70
5.3.160.0230.06014.70
5.3.150.0170.07014.52
5.3.140.0070.07714.54
5.3.130.0000.04014.51
5.3.120.0000.04014.78
5.3.110.0070.06714.69
5.3.100.0070.07314.07
5.3.90.0070.04014.17
5.3.80.0070.07014.15
5.3.70.0070.03714.16
5.3.60.0030.07014.03
5.3.50.0130.06713.96
5.3.40.0030.06313.96
5.3.30.0130.05713.96
5.3.20.0070.06313.70
5.3.10.0070.07013.72
5.3.00.0100.05713.71
5.2.170.0030.06312.00
5.2.160.0030.05712.00
5.2.150.0030.06312.00
5.2.140.0070.05712.00
5.2.130.0030.06312.00
5.2.120.0100.04312.00
5.2.110.0000.06712.00
5.2.100.0070.04712.00
5.2.90.0000.06312.00
5.2.80.0100.05712.00
5.2.70.0170.04712.00
5.2.60.0030.06712.00
5.2.50.0030.06312.00
5.2.40.0100.05312.00
5.2.30.0000.06312.00
5.2.20.0070.06012.00
5.2.10.0000.04712.00
5.2.00.0100.03712.00
5.1.60.0030.04712.00
5.1.50.0000.04012.00
5.1.40.0100.03712.00
5.1.30.0070.04012.00
5.1.20.0000.05712.00
5.1.10.0030.05712.00
5.1.00.0000.05312.00
5.0.50.0000.03712.00
5.0.40.0130.03712.00
5.0.30.0100.05312.00
5.0.20.0030.04712.00
5.0.10.0030.04312.00
5.0.00.0000.05312.00
4.4.90.0030.03312.00
4.4.80.0000.03312.00
4.4.70.0030.03312.00
4.4.60.0100.02312.00
4.4.50.0030.03312.00
4.4.40.0000.05312.00
4.4.30.0030.03312.00
4.4.20.0000.03012.00
4.4.10.0030.03312.00
4.4.00.0000.03312.00
4.3.110.0030.03312.00
4.3.100.0000.02712.00
4.3.90.0000.03712.00
4.3.80.0030.04312.00
4.3.70.0030.02012.00
4.3.60.0000.02712.00
4.3.50.0000.02312.00
4.3.40.0030.05712.00
4.3.30.0000.03312.00
4.3.20.0030.02312.00
4.3.10.0070.02712.00
4.3.00.0030.02012.00

preferences:
46.75 ms | 401 KiB | 5 Q