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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 |
---|---|
2641 |
|
2642 | if ( $updated ) { |
2643 | /** |
2644 | * Fires once a post has been added to the sticky list. |
2645 | * |
2646 | * @since 4.6.0 |
2647 | * |
2648 | * @param int $post_id ID of the post that was stuck. |
2649 | */ |
2650 | do_action( 'post_stuck', $post_id ); |
2651 | } |
2652 | } |
2653 |
|
2654 | /** |
2655 | * Un-stick a post. |
2656 | * |
2657 | * Sticky posts should be displayed at the top of the front page. |
2658 | * |
2659 | * @since 2.7.0 |