<?php
$array = [
['brand' => 'ABC', 'model' => 'xyz', 'size' => 13],
['brand' => 'QWE', 'model' => 'poi', 'size' => 23],
['brand' => 'ABC', 'model' => 'xyz', 'size' => 18],
['brand' => 'QWE', 'model' => 'poi', 'size' => 23],
['brand' => 'ABC', 'model' => 'xyz', 'size' => 18],
];
$result = [];
foreach (array_unique($array, SORT_REGULAR) as $row) {
$compositeKey = $row['brand'] . '_' . $row['model'];
if (!isset($result[$compositeKey])) {
$result[$compositeKey] = $row;
} else {
$result[$compositeKey]['size'] = array_merge((array)$result[$compositeKey]['size'], [$row['size']]);
}
}
var_export($result);
- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
- array (
'ABC_xyz' =>
array (
'brand' => 'ABC',
'model' => 'xyz',
'size' =>
array (
0 => 13,
1 => 18,
),
),
'QWE_poi' =>
array (
'brand' => 'QWE',
'model' => 'poi',
'size' => 23,
),
)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
array (
'ABC_xyz' =>
array (
'brand' => 'ABC',
'model' => 'xyz',
'size' =>
array (
0 => 13,
1 => 18,
),
),
'QWE_poi' =>
array (
'brand' => 'QWE',
'model' => 'poi',
'size' => 23,
),
)
preferences:
90.95 ms | 408 KiB | 5 Q