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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 |
---|---|
856 | * Fires for each custom column of a specific post type in the Posts list table. |
857 | * |
858 | * The dynamic portion of the hook name, $post->post_type, refers to the post type. |
859 | * |
860 | * @since 3.1.0 |
861 | * |
862 | * @param string $column_name The name of the column to display. |
863 | * @param int $post_id The current post ID. |
864 | */ |
865 | do_action( "manage_{$post->post_type}_posts_custom_column", $column_name, $post->ID ); |
866 | ?></td> |
867 | <?php |
868 | break; |
869 | } |
870 | } |
871 | ?> |
872 | </tr> |
873 | <?php |
874 | $GLOBALS['post'] = $global_post; |