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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 |
---|---|
871 | /** |
872 | * Fires immediately after the label inside the 'Template' section |
873 | * of the 'Page Attributes' meta box. |
874 | * |
875 | * @since 4.4.0 |
876 | * |
877 | * @param string $template The template used for the current post. |
878 | * @param WP_Post $post The current post. |
879 | */ |
880 | do_action( 'page_attributes_meta_box_template', $template, $post ); |
881 | ?></p> |
882 | <select name="page_template" id="page_template"> |
883 | <?php |
884 | /** |
885 | * Filters the title of the default page template displayed in the drop-down. |
886 | * |
887 | * @since 4.1.0 |
888 | * |
889 | * @param string $label The display value for the default page template title. |