WP_LIST_PLUCK
$foods = array(
array(
'name' => 'Banana',
'color' => 'Yellow',
),
array(
'name' => 'Apple',
'color' => 'Red',
)
);
$food_names = wp_list_pluck( $foods, 'name' );
print_r($food_names);
// [ 'Banana', 'Apple']
Energetic Emu