<?php
$categories = [
1 => 'cat1',
3 => 'cat3',
4 => 'cat4',
5 => 'cat5',
8 => 'cat8',
20 => 'cat20',
21 => 'cat21'
];
$results = [
0 => [
'title' => 'Some title',
'category_ids' => [1,3,5,20]
],
1 => [
'title' => 'Example title 2',
'category_ids' => [4,8,21]
],
3 => [
'title' => 'Example title 3',
'category_ids' => [1,3,5,20]
],
];
foreach($results as &$val){
$val['category_names'] = array_map(function($v) use ($categories){
return $categories[$v];
}, $val['category_ids']);
}
echo '<pre>';
print_r($results);
?>
- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
- <pre>Array
(
[0] => Array
(
[title] => Some title
[category_ids] => Array
(
[0] => 1
[1] => 3
[2] => 5
[3] => 20
)
[category_names] => Array
(
[0] => cat1
[1] => cat3
[2] => cat5
[3] => cat20
)
)
[1] => Array
(
[title] => Example title 2
[category_ids] => Array
(
[0] => 4
[1] => 8
[2] => 21
)
[category_names] => Array
(
[0] => cat4
[1] => cat8
[2] => cat21
)
)
[3] => Array
(
[title] => Example title 3
[category_ids] => Array
(
[0] => 1
[1] => 3
[2] => 5
[3] => 20
)
[category_names] => Array
(
[0] => cat1
[1] => cat3
[2] => cat5
[3] => cat20
)
)
)
- 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
<pre>Array
(
[0] => Array
(
[title] => Some title
[category_ids] => Array
(
[0] => 1
[1] => 3
[2] => 5
[3] => 20
)
[category_names] => Array
(
[0] => cat1
[1] => cat3
[2] => cat5
[3] => cat20
)
)
[1] => Array
(
[title] => Example title 2
[category_ids] => Array
(
[0] => 4
[1] => 8
[2] => 21
)
[category_names] => Array
(
[0] => cat4
[1] => cat8
[2] => cat21
)
)
[3] => Array
(
[title] => Example title 3
[category_ids] => Array
(
[0] => 1
[1] => 3
[2] => 5
[3] => 20
)
[category_names] => Array
(
[0] => cat1
[1] => cat3
[2] => cat5
[3] => cat20
)
)
)
preferences:
193.87 ms | 405 KiB | 156 Q