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Wordpress, show category with checkbox

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  1. /**
  2.  * Restituisce una lista (UL/LI) delle categorie
  3.  * @params $selected_cats	 Array delle categorie selezionate
  4.  *
  5.  * @return HTML
  6.  */
  7. function get_categories_checkboxes( $selected_cats = null ) {
  8. 	$all_categories = get_categories();
  9. 	$o = '<ul style="margin-left:12px">';
  10. 	foreach($all_categories as $key => $cat) {
  11. 		if($cat->parent == "0") $o .= __show_category($cat, $selected_cats);
  12. 	}
  13. 	return $o . '</ul>';
  14. }
  15. function __show_category($cat_object, $selected_cats = null) {
  16. 	$checked = "";
  17. 	if(!is_null($selected_cats) && is_array($selected_cats)) {
  18. 		$checked = (in_array($cat_object->cat_ID, $selected_cats)) ? 'checked="checked"' : "";
  19. 	}
  20. 	$ou = '<li><label><input ' . $checked .' type="checkbox" name="cats[]" value="'. $cat_object->cat_ID .'" /> ' . $cat_object->cat_name . '</label>';
  21. 	$childs = get_categories('parent=' . $cat_object->cat_ID);
  22. 	foreach($childs as $key => $cat) {
  23. 		$ou .= '<ul style="margin-left:12px">' . __show_category($cat, $selected_cats) . '</ul>';
  24. 	}
  25. 	$ou .= '</li>';
  26. 	return $ou;
  27. }

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