<?php
error_reporting(E_ALL);
$db_results = array(
array('cat' => 1, 'id' => 1),
array('cat' => 1, 'id' => 2),
array('cat' => 2, 'id' => 3),
array('cat' => 2, 'id' => 4)
);
$category_map = array();
foreach ( $db_results as $row ) {
$category_map[ $row['cat'] ][ $row['id'] ] = $row;
}
print_r($category_map);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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 - 8.2.18, 8.3.0 - 8.3.6
- Array
(
[1] => Array
(
[1] => Array
(
[cat] => 1
[id] => 1
)
[2] => Array
(
[cat] => 1
[id] => 2
)
)
[2] => Array
(
[3] => Array
(
[cat] => 2
[id] => 3
)
[4] => Array
(
[cat] => 2
[id] => 4
)
)
)
preferences:
295.91 ms | 407 KiB | 452 Q