| public static get_post_dates ( object[] $posts ) : string[] | ||
| $posts | object[] | |
| 리턴 | string[] | unique dates of each post. |
public static function get_post_dates($posts)
{
$dates = array();
foreach ($posts as $post) {
$dates[] = date('Y-m-d', strtotime($post->post_date));
}
$dates = array_unique($dates);
return $dates;
}