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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 |
|---|---|
| 208 | $id = "popular-$taxonomy-$term->term_id"; |
| 209 | $checked = in_array( $term->term_id, $checked_terms ) ? 'checked="checked"' : ''; |
| 210 | ?> |
| 211 | |
| 212 | <li id="<?php echo $id; ?>" class="popular-category"> |
| 213 | <label class="selectit"> |
| 214 | <input id="in-<?php echo $id; ?>" type="checkbox" <?php echo $checked; ?> value="<?php echo (int) $term->term_id; ?>" <?php disabled( ! current_user_can( $tax->cap->assign_terms ) ); ?> /> |
| 215 | <?php |
| 216 | /** This filter is documented in wp-includes/category-template.php */ |
| 217 | echo esc_html( apply_filters( 'the_category', $term->name ) ); |
| 218 | ?> |
| 219 | </label> |
| 220 | </li> |
| 221 | |
| 222 | <?php |
| 223 | } |
| 224 | return $popular_ids; |
| 225 | } |
| 226 | |
| Line | Code |
| 249 | $categories = get_terms( 'link_category', array( 'orderby' => 'name', 'hide_empty' => 0 ) ); |
| 250 | |
| 251 | if ( empty( $categories ) ) |
| 252 | return; |
| 253 | |
| 254 | foreach ( $categories as $category ) { |
| 255 | $cat_id = $category->term_id; |
| 256 | |
| 257 | /** This filter is documented in wp-includes/category-template.php */ |
| 258 | $name = esc_html( apply_filters( 'the_category', $category->name ) ); |
| 259 | $checked = in_array( $cat_id, $checked_categories ) ? ' checked="checked"' : ''; |
| 260 | echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', $checked, '/> ', $name, "</label></li>"; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * Adds hidden fields with the data for use in the inline editor for posts and pages. |
| 266 | * |
| 267 | * @since 2.7.0 |