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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.
| Line | Code |
|---|---|
| 250 | * } |
| 251 | * @param WP_Post $menu_item The current menu item object. |
| 252 | * @param stdClass $args An object of wp_nav_menu() arguments. |
| 253 | * @param int $depth Depth of menu item. Used for padding. |
| 254 | */ |
| 255 | $atts = apply_filters( 'nav_menu_link_attributes', $atts, $menu_item, $args, $depth ); |
| 256 | $attributes = $this->build_atts( $atts ); |
| 257 | |
| 258 | /** This filter is documented in wp-includes/post-template.php */ |
| 259 | $title = apply_filters( 'the_title', $menu_item->title, $menu_item->ID ); |
| 260 | |
| 261 | /** |
| 262 | * Filters a menu item's title. |
| 263 | * |
| 264 | * @since 4.4.0 |
| 265 | * |
| 266 | * @param string $title The menu item's title. |
| 267 | * @param WP_Post $menu_item The current menu item object. |
| 268 | * @param stdClass $args An object of wp_nav_menu() arguments. |