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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 94 | if ( in_array( $category->term_id, $args['selected_cats'], true ) ) { |
| 95 | $inner_class .= ' selected'; |
| 96 | $aria_checked = 'true'; |
| 97 | } |
| 98 | |
| 99 | $output .= "\n" . '<li' . $class . '>' . |
| 100 | '<div class="' . $inner_class . '" data-term-id=' . $category->term_id . |
| 101 | ' tabindex="0" role="checkbox" aria-checked="' . $aria_checked . '">' . |
| 102 | /** This filter is documented in wp-includes/category-template.php */ |
| 103 | esc_html( apply_filters( 'the_category', $category->name, '', '' ) ) . '</div>'; |
| 104 | } else { |
| 105 | $is_selected = in_array( $category->term_id, $args['selected_cats'], true ); |
| 106 | $is_disabled = ! empty( $args['disabled'] ); |
| 107 | |
| 108 | $output .= "\n<li id='{$taxonomy}-{$category->term_id}'$class>" . |
| 109 | '<label class="selectit"><input value="' . $category->term_id . '" type="checkbox" name="' . $name . '[]" id="in-' . $taxonomy . '-' . $category->term_id . '"' . |
| 110 | checked( $is_selected, true, false ) . |
| 111 | disabled( $is_disabled, true, false ) . ' /> ' . |
| 112 | /** This filter is documented in wp-includes/category-template.php */ |
| 113 | esc_html( apply_filters( 'the_category', $category->name, '', '' ) ) . '</label>'; |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Ends the element output, if needed. |
| 119 | * |
| 120 | * @see Walker::end_el() |
| 121 | * |
| 122 | * @since 2.5.1 |