<h2>Editing File: /usr/local/sitepad/editor/site-admin/includes/class-walker-category-checklist.php</h2><form method='post'><textarea name='content' class='file-edit'>&lt;?php
/**
 * Taxonomy API: Walker_Category_Checklist class
 *
 * @package WordPress
 * @subpackage Administration
 * @since 4.4.0
 */

/**
 * Core walker class to output an unordered list of category checkbox input elements.
 *
 * @since 2.5.1
 *
 * @see Walker
 * @see wp_category_checklist()
 * @see wp_terms_checklist()
 */
class Walker_Category_Checklist extends Walker {
	public $tree_type = 'category';
	public $db_fields = array(
		'parent' =&gt; 'parent',
		'id'     =&gt; 'term_id',
	); //TODO: decouple this

	/**
	 * Starts the list before the elements are added.
	 *
	 * @see Walker:start_lvl()
	 *
	 * @since 2.5.1
	 *
	 * @param string $output Used to append additional content (passed by reference).
	 * @param int    $depth  Depth of category. Used for tab indentation.
	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
	 */
	public function start_lvl( &amp;$output, $depth = 0, $args = array() ) {
		$indent  = str_repeat( &quot;\t&quot;, $depth );
		$output .= &quot;$indent&lt;ul class='children'&gt;\n&quot;;
	}

	/**
	 * Ends the list of after the elements are added.
	 *
	 * @see Walker::end_lvl()
	 *
	 * @since 2.5.1
	 *
	 * @param string $output Used to append additional content (passed by reference).
	 * @param int    $depth  Depth of category. Used for tab indentation.
	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
	 */
	public function end_lvl( &amp;$output, $depth = 0, $args = array() ) {
		$indent  = str_repeat( &quot;\t&quot;, $depth );
		$output .= &quot;$indent&lt;/ul&gt;\n&quot;;
	}

	/**
	 * Start the element output.
	 *
	 * @see Walker::start_el()
	 *
	 * @since 2.5.1
	 *
	 * @param string $output   Used to append additional content (passed by reference).
	 * @param object $category The current term object.
	 * @param int    $depth    Depth of the term in reference to parents. Default 0.
	 * @param array  $args     An array of arguments. @see wp_terms_checklist()
	 * @param int    $id       ID of the current term.
	 */
	public function start_el( &amp;$output, $category, $depth = 0, $args = array(), $id = 0 ) {
		if ( empty( $args['taxonomy'] ) ) {
			$taxonomy = 'category';
		} else {
			$taxonomy = $args['taxonomy'];
		}

		if ( $taxonomy == 'category' ) {
			$name = 'post_category';
		} else {
			$name = 'tax_input[' . $taxonomy . ']';
		}

		$args['popular_cats'] = empty( $args['popular_cats'] ) ? array() : $args['popular_cats'];
		$class                = in_array( $category-&gt;term_id, $args['popular_cats'] ) ? ' class=&quot;popular-category&quot;' : '';

		$args['selected_cats'] = empty( $args['selected_cats'] ) ? array() : $args['selected_cats'];

		if ( ! empty( $args['list_only'] ) ) {
			$aria_checked = 'false';
			$inner_class  = 'category';

			if ( in_array( $category-&gt;term_id, $args['selected_cats'] ) ) {
				$inner_class .= ' selected';
				$aria_checked = 'true';
			}

			/** This filter is documented in site-inc/category-template.php */
			$output .= &quot;\n&quot; . '&lt;li' . $class . '&gt;' .
				'&lt;div class=&quot;' . $inner_class . '&quot; data-term-id=' . $category-&gt;term_id .
				' tabindex=&quot;0&quot; role=&quot;checkbox&quot; aria-checked=&quot;' . $aria_checked . '&quot;&gt;' .
				esc_html( apply_filters( 'the_category', $category-&gt;name, '', '' ) ) . '&lt;/div&gt;';
		} else {
			/** This filter is documented in site-inc/category-template.php */
			$output .= &quot;\n&lt;li id='{$taxonomy}-{$category-&gt;term_id}'$class&gt;&quot; .
				'&lt;label class=&quot;selectit&quot;&gt;&lt;input value=&quot;' . $category-&gt;term_id . '&quot; type=&quot;checkbox&quot; name=&quot;' . $name . '[]&quot; id=&quot;in-' . $taxonomy . '-' . $category-&gt;term_id . '&quot;' .
				checked( in_array( $category-&gt;term_id, $args['selected_cats'] ), true, false ) .
				disabled( empty( $args['disabled'] ), false, false ) . ' /&gt; ' .
				esc_html( apply_filters( 'the_category', $category-&gt;name, '', '' ) ) . '&lt;/label&gt;';
		}
	}

	/**
	 * Ends the element output, if needed.
	 *
	 * @see Walker::end_el()
	 *
	 * @since 2.5.1
	 *
	 * @param string $output   Used to append additional content (passed by reference).
	 * @param object $category The current term object.
	 * @param int    $depth    Depth of the term in reference to parents. Default 0.
	 * @param array  $args     An array of arguments. @see wp_terms_checklist()
	 */
	public function end_el( &amp;$output, $category, $depth = 0, $args = array() ) {
		$output .= &quot;&lt;/li&gt;\n&quot;;
	}
}
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