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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 |
|---|---|
| 1726 | * |
| 1727 | * Returning false from the filter will prevent the dialog from being displayed. |
| 1728 | * |
| 1729 | * @since 3.6.0 |
| 1730 | * |
| 1731 | * @param bool $display Whether to display the dialog. Default true. |
| 1732 | * @param WP_Post $post Post object. |
| 1733 | * @param WP_User $user The user with the lock for the post. |
| 1734 | */ |
| 1735 | if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) { |
| 1736 | return; |
| 1737 | } |
| 1738 | |
| 1739 | $locked = true; |
| 1740 | } else { |
| 1741 | $locked = false; |
| 1742 | } |
| 1743 | |
| 1744 | $sendback = wp_get_referer(); |