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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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1685 |
|
1686 | /** |
1687 | * Filters the description for a post type archive. |
1688 | * |
1689 | * @since 4.9.0 |
1690 | * |
1691 | * @param string $description The post type description. |
1692 | * @param WP_Post_Type $post_type_obj The post type object. |
1693 | */ |
1694 | return apply_filters( 'get_the_post_type_description', $description, $post_type_obj ); |
1695 | } |
1696 |
|
1697 | /** |
1698 | * Retrieve archive link content based on predefined or custom code. |
1699 | * |
1700 | * The format can be one of four styles. The 'link' for head element, 'option' |
1701 | * for use in the select element, 'html' for use in list (either ol or ul HTML |
1702 | * elements). Custom content is also supported using the before and after |
1703 | * parameters. |