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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 |
|---|---|
| 160 | $attributes = ''; |
| 161 | foreach ( $atts as $attr => $value ) { |
| 162 | if ( ! empty( $value ) ) { |
| 163 | $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
| 164 | $attributes .= ' ' . $attr . '="' . $value . '"'; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | /** This filter is documented in wp-includes/post-template.php */ |
| 169 | $title = apply_filters( 'the_title', $item->title, $item->ID ); |
| 170 | |
| 171 | /** |
| 172 | * Filters a menu item's title. |
| 173 | * |
| 174 | * @since 4.4.0 |
| 175 | * |
| 176 | * @param string $title The menu item's title. |
| 177 | * @param object $item The current menu item. |
| 178 | * @param array $args An array of wp_nav_menu() arguments. |