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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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564 | } else { |
565 | $post->type_label = __( 'Custom Link' ); |
566 | } |
567 | } |
568 |
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569 | /** This filter is documented in wp-includes/nav-menu.php */ |
570 | $post->attr_title = apply_filters( 'nav_menu_attr_title', $post->attr_title ); |
571 |
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572 | /** This filter is documented in wp-includes/nav-menu.php */ |
573 | $post->description = apply_filters( 'nav_menu_description', wp_trim_words( $post->description, 200 ) ); |
574 |
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575 | /** This filter is documented in wp-includes/nav-menu.php */ |
576 | $post = apply_filters( 'wp_setup_nav_menu_item', $post ); |
577 |
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578 | return $post; |
579 | } |
580 |
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581 | /** |
582 | * Sanitize an input. |