laravel array key code example
Example 1: laravel arrays
$array = array(array('name' => 'Taylor'), array('name' => 'Dayle'));
$array = array_pluck($array, 'name');
// array('Taylor', 'Dayle');
Example 2: laravel return a single dimensional array
$catcount = 2;
$parents_ids = [];
for ($i = 0; $i < $catcount; $i++) {
$parents_ids[] = $userCategory[$i];
}
$subCats = Category::whereIn('parent_id', $parents_ids)->pluck('id');