3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ [ 'product' => [ 'value' => 'basic', 'label' => 'Basic' ], 'countries' => [ 'Japan', // these 'Korea' // two... ], ], [ 'product' => [ 'value' => 'pro', 'label' => 'Pro' ], 'countries' => [ 'Japan', // ...and these two 'Korea' // are identical... ], ], [ 'product' => [ 'value' => 'expert', 'label' => 'Expert' ], 'countries' => [ 'Japan', 'France' ], ] ]; $result = []; foreach ($array as $row) { sort($row['countries']); $compositeKey = implode('_', $row['countries']); if (!isset($result[$compositeKey])) { $result[$compositeKey] = $row; } elseif (isset($result[$compositeKey]['product']['value'])) { $result[$compositeKey]['product'] = [ $result[$compositeKey]['product'], $row['product'] ]; } else { $result[$compositeKey]['product'][] = $row['product']; } } echo json_encode(array_values($result), JSON_PRETTY_PRINT);

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)
8.5.70.0120.00616.89
8.5.60.0120.00616.90
8.5.50.0090.00516.75
8.5.30.0090.00819.36
8.5.20.0130.00619.69
8.5.10.0130.00620.25
8.5.00.0160.00520.17
8.4.210.0120.00819.55
8.4.180.0110.01119.62
8.4.170.0120.01019.75
8.4.160.0150.00923.87
8.4.150.0070.00516.91
8.4.140.0140.01417.61
8.4.130.0040.00518.77
8.4.120.0110.00924.36
8.4.110.0130.00818.81
8.4.100.0140.00617.50
8.4.90.0120.00918.64
8.4.80.0060.00317.64
8.4.70.0060.00217.70
8.4.60.0120.00820.75
8.4.50.0030.00518.62
8.4.40.0170.00319.71
8.4.30.0120.00618.86
8.4.20.0000.01019.66
8.4.10.0060.00323.87
8.3.300.0130.00620.70
8.3.290.0110.00920.82
8.3.280.0090.01118.44
8.3.270.0060.01316.41
8.3.260.0090.01016.88
8.3.250.0130.00718.86
8.3.240.0130.00617.20
8.3.230.0110.00816.68
8.3.220.0070.01017.17
8.3.210.0040.00418.46
8.3.200.0040.00416.59
8.3.190.0090.00917.41
8.3.180.0110.00216.57
8.3.170.0070.01016.98
8.3.160.0070.01118.48
8.3.150.0070.01119.14
8.3.140.0040.01216.69
8.3.130.0000.00816.73
8.3.120.0040.00420.90
8.3.110.0070.00416.78
8.3.100.0000.00818.65
8.3.90.0000.00826.77
8.3.80.0030.00616.75
8.3.70.0150.00616.63
8.3.60.0110.00316.75
8.3.50.0120.00620.02
8.3.40.0040.01120.01
8.3.30.0070.00718.67
8.3.20.0000.00724.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.300.0100.01022.30
8.2.290.0120.00820.34
8.2.280.0040.00518.61
8.2.270.0150.00317.26
8.2.260.0040.00419.92
8.2.250.0050.00316.63
8.2.240.0000.00816.59
8.2.230.0050.00520.94
8.2.220.0060.00324.06
8.2.210.0090.00026.77
8.2.200.0060.00318.16
8.2.190.0140.00716.58
8.2.180.0090.00625.92
8.2.170.0080.00618.71
8.2.160.0070.01022.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0030.00526.16
8.2.120.0070.00019.76
8.2.110.0060.00320.47
8.2.100.0000.01117.91
8.2.90.0040.00419.23
8.2.80.0030.00617.97
8.2.70.0000.00817.63
8.2.60.0000.00917.75
8.2.50.0000.00718.16
8.2.40.0030.00518.05
8.2.30.0080.00017.68
8.2.20.0000.00720.67
8.2.10.0040.00418.12
8.2.00.0080.00419.25
8.1.340.0120.00917.80
8.1.330.0120.00721.82
8.1.320.0070.01116.24
8.1.310.0070.01118.37
8.1.300.0040.00416.59
8.1.290.0090.00030.84
8.1.280.0060.00825.92
8.1.270.0040.00424.66
8.1.260.0070.01326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.98
8.1.230.0040.00717.89
8.1.220.0040.00417.79
8.1.210.0000.00918.77
8.1.200.0030.00617.13
8.1.190.0030.00516.99
8.1.180.0050.00318.10
8.1.170.0000.00817.65
8.1.160.0000.00718.94
8.1.150.0000.00718.50
8.1.140.0000.00717.41
8.1.130.0050.00217.35
8.1.120.0060.00318.74
8.1.110.0100.00718.73
8.1.100.0120.00318.75
8.1.90.0110.00418.68
8.1.80.0070.00718.73
8.1.70.0150.00018.69
8.1.60.0120.00418.81
8.1.50.0070.01018.71
8.1.40.0170.00018.81
8.1.30.0150.00318.83
8.1.20.0130.00418.83
8.1.10.0170.00018.75
8.1.00.0120.00618.66
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0030.00317.98
8.0.270.0030.00318.00
8.0.260.0030.00316.86
8.0.250.0070.00718.06
8.0.240.0110.00417.97
8.0.230.0080.00817.92
8.0.220.0110.00517.93
8.0.210.0090.00618.03
8.0.200.0100.00518.10
8.0.190.0090.00618.09
8.0.180.0150.00017.96
8.0.170.0100.00318.05
8.0.160.0070.00718.05
8.0.150.0100.00517.90
8.0.140.0140.00017.99
8.0.130.0110.00317.85
8.0.120.0060.00917.98
8.0.110.0040.00918.02
8.0.100.0000.01417.96
8.0.90.0140.00017.86
8.0.80.0090.00517.95
8.0.70.0120.00217.95
8.0.60.0110.00417.94
8.0.50.0150.00017.98
8.0.30.0100.00517.92
8.0.20.0070.00718.03
8.0.10.0050.00918.16
7.4.330.0130.00015.55
7.4.320.0140.00417.60
7.4.300.0160.00017.75
7.4.290.0120.00317.64
7.4.280.0000.01617.55
7.4.270.0150.00317.76
7.4.260.0040.01317.55
7.4.250.0130.00317.57
7.4.240.0110.00417.68
7.4.230.0130.00317.52
7.4.220.0150.00017.52
7.4.210.0090.00517.70
7.4.200.0110.00217.65
7.4.190.0070.00717.71
7.4.180.0090.00417.74
7.4.160.0080.00517.82
7.4.150.0100.00317.69
7.4.140.0050.00317.48
7.4.130.0000.00719.47
7.4.120.0000.00719.36
7.4.110.0030.00319.43
7.4.100.0000.00619.13
7.4.90.0030.00319.20
7.4.80.0030.00319.27
7.4.70.0050.00219.22
7.4.60.0000.00919.08
7.4.50.0090.00417.45
7.4.40.0090.00317.44
7.4.30.0050.00517.64
7.4.20.0120.00317.55
7.4.10.0080.00417.56
7.4.00.0090.00017.53

preferences:
42.5 ms | 1358 KiB | 5 Q