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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 |
---|---|
200 | $attributes = ''; |
201 | foreach ( $atts as $attr => $value ) { |
202 | if ( ! empty( $value ) ) { |
203 | $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
204 | $attributes .= ' ' . $attr . '="' . $value . '"'; |
205 | } |
206 | } |
207 |
|
208 | /** This filter is documented in wp-includes/post-template.php */ |
209 | $title = apply_filters( 'the_title', $item->title, $item->ID ); |
210 |
|
211 | /** |
212 | * Filters a menu item's title. |
213 | * |
214 | * @since 4.4.0 |
215 | * |
216 | * @param string $title The menu item's title. |
217 | * @param WP_Post $item The current menu item. |
218 | * @param stdClass $args An object of wp_nav_menu() arguments. |