<?php
$categories = array(
'category_1' => array(
'name' => 'Category 1',
'column' => '1'
),
'category_2' => array(
'name' => 'Category 2',
'column' => '2'
),
'category_3' => array(
'name' => 'Category 2',
'column' => '1'
),
'category_4' => array(
'name' => 'Category 4',
'column' => '3'
),
'category_5' => array(
'name' => 'Category 4',
'column' => '2'
),
);
$formatted = array();
foreach ($categories as $item) {
$column = $item['column'];
if (isset($formatted[$column])) {
$formatted[$column][] = $item;
} else {
$formatted[$column] = array($item);
}
}
var_export($formatted);
preferences:
35.14 ms | 402 KiB | 5 Q