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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 |
---|---|
934 | * @uses apply_filters() Calls 'comments_popup_template' filter on path. |
935 | * |
936 | * @return string |
937 | */ |
938 | function get_comments_popup_template() { |
939 | $template = locate_template(array("comments-popup.php")); |
940 | if ('' == $template) |
941 | $template = get_theme_root() . '/default/comments-popup.php'; |
942 |
|
943 | return apply_filters('comments_popup_template', $template); |
944 | } |
945 |
|
946 | /** |
947 | * Retrieve the name of the highest priority template file that exists. |
948 | * |
949 | * Searches in the STYLESHEETPATH before TEMPLATEPATH so that themes which |
950 | * inherit from a parent theme can just overload one file. |
951 | * |
952 | * @since 2.7.0 |