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); $a[] = array('parent_id' => 0, 'category_id' => 8); $a[] = array('parent_id' => 0, 'category_id' => 9); $a[] = array('parent_id' => 7, 'category_id' => 10); $a[] = array('parent_id' => 7, 'category_id' => 11); $a[] = array('parent_id' => 8, 'category_id' => 12); $a[] = array('parent_id' => 10, 'category_id' => 13); 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)
8.3.60.0120.00918.43
8.3.50.0130.00621.15
8.3.40.0090.00618.84
8.3.30.0070.01020.17
8.3.20.0070.00720.21
8.3.10.0080.00022.13
8.3.00.0050.00322.34
8.2.180.0110.00716.75
8.2.170.0090.00622.96
8.2.160.0070.00722.26
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.84
8.2.110.0030.00620.11
8.2.100.0120.00017.72
8.2.90.0000.00819.41
8.2.80.0080.00019.15
8.2.70.0000.01017.62
8.2.60.0000.00818.03
8.2.50.0000.00918.07
8.2.40.0040.00419.88
8.2.30.0040.00419.34
8.2.20.0000.00717.71
8.2.10.0000.00917.84
8.2.00.0080.00017.70
8.1.280.0100.01025.92
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0080.00628.09
8.1.240.0090.00023.82
8.1.230.0030.00819.07
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0030.00517.43
8.1.180.0000.00818.10
8.1.170.0030.00618.46
8.1.160.0030.00618.90
8.1.150.0040.00418.52
8.1.140.0040.00417.46
8.1.130.0030.00317.78
8.1.120.0000.00817.38
8.1.110.0040.00417.52
8.1.100.0020.00517.36
8.1.90.0030.00517.38
8.1.80.0040.00417.46
8.1.70.0000.00717.45
8.1.60.0040.00417.59
8.1.50.0050.00317.55
8.1.40.0050.00317.44
8.1.30.0000.00817.50
8.1.20.0040.00417.58
8.1.10.0060.00317.56
8.1.00.0070.00317.39
8.0.300.0000.00718.77
8.0.290.0070.00017.28
8.0.280.0030.00318.38
8.0.270.0000.00717.32
8.0.260.0030.00316.78
8.0.250.0050.00217.05
8.0.240.0030.00516.95
8.0.230.0030.00316.96
8.0.220.0040.00417.04
8.0.210.0040.00316.93
8.0.200.0030.00316.96
8.0.190.0000.00917.04
8.0.180.0040.00416.87
8.0.170.0050.00317.05
8.0.160.0040.00416.98
8.0.150.0040.00416.90
8.0.140.0070.00016.98
8.0.130.0050.00013.49
8.0.120.0030.00516.88
8.0.110.0070.00016.93
8.0.100.0030.00516.99
8.0.90.0030.00516.75
8.0.80.0060.00916.88
8.0.70.0000.00716.87
8.0.60.0030.00516.85
8.0.50.0000.00716.79
8.0.30.0050.01317.17
8.0.20.0140.00817.40
8.0.10.0040.00416.96
8.0.00.0060.01216.75
7.4.330.0030.00315.00
7.4.320.0040.00416.44
7.4.300.0000.00616.66
7.4.290.0070.00016.59
7.4.280.0000.00816.66
7.4.270.0070.00016.52
7.4.260.0000.00513.35
7.4.250.0040.00416.55
7.4.240.0000.00716.50
7.4.230.0000.00816.59
7.4.220.0090.00916.66
7.4.210.0070.01116.56
7.4.200.0040.00416.64
7.4.190.0000.00716.48
7.4.160.0100.00716.52
7.4.150.0090.00917.40
7.4.140.0120.00917.86
7.4.130.0140.00316.61
7.4.120.0080.01116.55
7.4.110.0060.01316.55
7.4.100.0070.01016.67
7.4.90.0160.00316.40
7.4.80.0100.00719.39
7.4.70.0090.00916.72
7.4.60.0090.01216.71
7.4.50.0030.00616.80
7.4.40.0070.00322.77
7.4.30.0160.00016.34
7.4.00.0050.01214.82
7.3.330.0070.00013.41
7.3.320.0020.00213.44
7.3.310.0000.00716.30
7.3.300.0070.00016.24
7.3.290.0060.00916.40
7.3.280.0090.00816.40
7.3.270.0100.00717.40
7.3.260.0170.00016.36
7.3.250.0140.00716.49
7.3.240.0090.00916.39
7.3.230.0100.00716.45
7.3.210.0100.00716.36
7.3.200.0110.00719.39
7.3.190.0150.00316.46
7.3.180.0090.00716.39
7.3.170.0180.00316.39
7.3.160.0090.00616.34
7.3.120.0050.01214.87
7.3.110.0130.00314.65
7.3.100.0060.00614.80
7.3.90.0060.00314.73
7.3.80.0040.01114.93
7.3.70.0040.00414.93
7.3.60.0100.00314.86
7.3.50.0000.01114.93
7.3.40.0060.00914.93
7.3.30.0060.00914.74
7.3.20.0100.00716.71
7.3.10.0070.00816.65
7.3.00.0040.00716.76
7.2.330.0090.00916.68
7.2.320.0070.01016.54
7.2.310.0110.00716.71
7.2.300.0100.01316.51
7.2.290.0030.01416.44
7.2.250.0070.01115.05
7.2.240.0030.01714.73
7.2.230.0070.00714.89
7.2.220.0040.01115.11
7.2.210.0090.00014.74
7.2.200.0070.00714.76
7.2.190.0120.00415.05
7.2.180.0110.00415.22
7.2.170.0000.01714.85
7.2.130.0060.00916.80
7.2.120.0030.01217.10
7.2.110.0070.00717.07
7.2.100.0110.00416.93
7.2.90.0000.01516.71
7.2.80.0060.00616.99
7.2.70.0030.01016.55
7.2.60.0100.00317.05
7.2.50.0040.01117.02
7.2.40.0070.00716.81
7.2.30.0070.01117.13
7.2.20.0140.00316.71
7.2.10.0030.00917.05
7.2.00.0070.00716.93
7.1.330.0000.01415.87
7.1.320.0060.00315.80
7.1.310.0030.00615.81
7.1.300.0100.00315.93
7.1.290.0000.01315.80
7.1.280.0090.00315.85
7.1.270.0000.01415.81
7.1.260.0080.00315.57
7.1.250.0030.00915.63
7.1.100.0100.00318.19
7.1.70.0070.00017.27
7.1.60.0070.01819.29
7.1.50.0070.01717.14
7.1.00.0070.06722.36
7.0.200.0190.00414.84
7.0.140.0070.07322.01
7.0.100.0070.06720.02
7.0.90.0130.07720.04
7.0.80.0070.07719.92
7.0.70.0070.07720.03
7.0.60.0070.07719.89
7.0.50.0070.04320.35
7.0.40.0030.08020.02
7.0.30.0070.08020.15
7.0.20.0100.08019.95
7.0.10.0100.07320.04
7.0.00.0230.06720.12
5.6.280.0130.06321.13
5.6.250.0070.08720.62
5.6.240.0070.06020.57
5.6.230.0100.08020.68
5.6.220.0070.06720.68
5.6.210.0030.05020.60
5.6.200.0070.07021.08
5.6.190.0170.07021.14
5.6.180.0230.04021.01
5.6.170.0130.08720.96
5.6.160.0030.06020.96
5.6.150.0130.07721.18
5.6.140.0100.05020.91
5.6.130.0100.07021.06
5.6.120.0100.08321.02
5.6.110.0100.08021.16
5.6.100.0070.07721.02
5.6.90.0170.06720.93
5.6.80.0070.04320.32
5.6.70.0030.04020.39
5.6.60.0070.04020.30
5.6.50.0030.04320.40
5.6.40.0000.06020.38
5.6.30.0000.04020.50
5.6.20.0100.03320.47
5.6.10.0070.03720.31
5.6.00.0030.03720.37
5.5.380.0100.05320.46
5.5.370.0100.08020.57
5.5.360.0030.07020.49
5.5.350.0100.09020.38
5.5.340.0030.05020.75
5.5.330.0100.04720.91
5.5.320.0000.09020.77
5.5.310.0130.07020.93
5.5.300.0170.07320.93
5.5.290.0130.08020.83
5.5.280.0130.04320.75
5.5.270.0030.08720.85
5.5.260.0200.04720.78
5.5.250.0100.08020.71
5.5.240.0070.04320.29
5.5.230.0030.04720.30
5.5.220.0130.05720.21
5.5.210.0030.04020.22
5.5.200.0030.06720.16
5.5.190.0070.07719.99
5.5.180.0070.06720.26
5.5.160.0070.03320.26
5.5.150.0070.07720.25
5.5.140.0070.08020.08
5.5.130.0130.06020.18
5.5.120.0030.06720.18
5.5.110.0130.05020.14
5.5.100.0130.06720.16
5.5.90.0100.03319.98
5.5.80.0030.03720.16
5.5.70.0070.03320.15
5.5.60.0000.04020.05
5.5.50.0100.07320.05
5.5.40.0070.04019.94
5.5.30.0030.07720.05
5.5.20.0030.06320.05
5.5.10.0000.07720.10
5.5.00.0130.04020.04
5.4.450.0100.07719.38
5.4.440.0100.08319.18
5.4.430.0000.04319.24
5.4.420.0070.06019.37
5.4.410.0130.07319.20
5.4.400.0070.03719.09
5.4.390.0130.07019.20
5.4.380.0030.04719.13
5.4.370.0030.07719.16
5.4.360.0100.03019.14
5.4.350.0100.07018.90
5.4.340.0030.05319.23
5.4.320.0100.06019.04
5.4.310.0100.07719.03
5.4.300.0100.05018.96
5.4.290.0070.07319.22
5.4.280.0030.06319.17
5.4.270.0070.06719.04
5.4.260.0030.03319.04
5.4.250.0100.05319.23
5.4.240.0170.06318.94
5.4.230.0100.07019.11
5.4.220.0100.07019.15
5.4.210.0100.03019.12
5.4.200.0100.06719.09
5.4.190.0000.04319.21
5.4.180.0000.04319.11
5.4.170.0000.04319.04
5.4.160.0000.08319.18
5.4.150.0070.06019.02
5.4.140.0030.08716.42
5.4.130.0100.05016.33
5.4.120.0070.05016.49
5.4.110.0030.04316.47
5.4.100.0030.07316.35
5.4.90.0070.05316.32
5.4.80.0070.06016.33
5.4.70.0130.07016.46
5.4.60.0030.04716.48
5.4.50.0030.07716.41
5.4.40.0070.07716.42
5.4.30.0000.07316.46
5.4.20.0030.07316.31
5.4.10.0000.04016.30
5.4.00.0030.07015.86
5.3.290.0100.07014.64
5.3.280.0070.03314.55
5.3.270.0070.07714.61
5.3.260.0100.05714.64
5.3.250.0070.07014.63
5.3.240.0030.08314.68
5.3.230.0030.07314.74
5.3.220.0000.04314.63
5.3.210.0100.04314.71
5.3.200.0030.04314.63
5.3.190.0030.04314.50
5.3.180.0070.06714.55
5.3.170.0070.04714.49
5.3.160.0000.05314.58
5.3.150.0070.08014.48
5.3.140.0030.07314.61
5.3.130.0070.06314.61
5.3.120.0000.04014.61
5.3.110.0030.07314.51
5.3.100.0000.03714.01
5.3.90.0100.07314.09
5.3.80.0070.06314.14
5.3.70.0130.02314.16
5.3.60.0070.06314.06
5.3.50.0000.06314.07
5.3.40.0030.07013.87
5.3.30.0070.06314.02
5.3.20.0130.06313.68
5.3.10.0030.06313.64
5.3.00.0100.03713.65
5.2.170.0000.04011.08
5.2.160.0130.05011.24
5.2.150.0100.05711.26
5.2.140.0070.03711.26
5.2.130.0030.04311.13
5.2.120.0030.03310.98
5.2.110.0030.05311.24
5.2.100.0000.06711.17
5.2.90.0000.04310.96
5.2.80.0070.04311.20
5.2.70.0000.06311.16
5.2.60.0070.05311.14
5.2.50.0000.03310.88
5.2.40.0030.05311.02
5.2.30.0030.04310.98
5.2.20.0070.03010.86
5.2.10.0030.05010.78
5.2.00.0100.04710.65
5.1.60.0000.06010.17
5.1.50.0070.04710.17
5.1.40.0030.05310.17
5.1.30.0070.03710.33
5.1.20.0070.04310.38
5.1.10.0000.03010.17
5.1.00.0030.03710.17
5.0.50.0030.03010.17
5.0.40.0000.02310.17
5.0.30.0100.04010.17
5.0.20.0070.03310.17
5.0.10.0000.02710.17
5.0.00.0070.06310.17
4.4.90.0000.02010.17
4.4.80.0000.02010.17
4.4.70.0000.04010.17
4.4.60.0030.02710.17
4.4.50.0070.03310.17
4.4.40.0000.05710.17
4.4.30.0030.01710.17
4.4.20.0030.02010.17
4.4.10.0030.02710.17
4.4.00.0000.03710.17
4.3.110.0070.03010.17
4.3.100.0100.03710.17
4.3.90.0030.02310.17
4.3.80.0070.03710.17
4.3.70.0000.02010.17
4.3.60.0000.02010.17
4.3.50.0030.01310.17
4.3.40.0030.05010.17
4.3.30.0030.03010.17
4.3.20.0000.03710.17
4.3.10.0000.04010.17
4.3.00.0000.03310.17

preferences:
53.47 ms | 401 KiB | 5 Q