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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 |
|---|---|
| 781 | * @uses apply_filters() Calls 'comments_popup_template' filter on path. |
| 782 | * |
| 783 | * @return string |
| 784 | */ |
| 785 | function get_comments_popup_template() { |
| 786 | $template = locate_template(array("comments-popup.php")); |
| 787 | if ('' == $template) |
| 788 | $template = get_theme_root() . '/default/comments-popup.php'; |
| 789 | |
| 790 | return apply_filters('comments_popup_template', $template); |
| 791 | } |
| 792 | |
| 793 | /** |
| 794 | * Retrieve the name of the highest priority template file that exists. |
| 795 | * |
| 796 | * Searches in the STYLESHEETPATH before TEMPLATEPATH so that themes which |
| 797 | * inherit from a parent theme can just overload one file. |
| 798 | * |
| 799 | * @since 2.7.0 |