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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 |
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216 | * Filters a menu item's title. |
217 | * |
218 | * @since 4.4.0 |
219 | * |
220 | * @param string $title The menu item's title. |
221 | * @param WP_Post $item The current menu item. |
222 | * @param stdClass $args An object of wp_nav_menu() arguments. |
223 | * @param int $depth Depth of menu item. Used for padding. |
224 | */ |
225 | $title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth ); |
226 |
|
227 | $item_output = $args->before; |
228 | $item_output .= '<a' . $attributes . '>'; |
229 | $item_output .= $args->link_before . $title . $args->link_after; |
230 | $item_output .= '</a>'; |
231 | $item_output .= $args->after; |
232 |
|
233 | /** |
234 | * Filters a menu item's starting output. |