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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 |
|---|---|
| 1019 | * @return string |
| 1020 | */ |
| 1021 | function get_comments_popup_template() { |
| 1022 | $template = locate_template(array("comments-popup.php")); |
| 1023 | |
| 1024 | // Backward compat code will be removed in a future release |
| 1025 | if ('' == $template) |
| 1026 | $template = WPINC . '/theme-compat/comments-popup.php'; |
| 1027 | |
| 1028 | return apply_filters('comments_popup_template', $template); |
| 1029 | } |
| 1030 | |
| 1031 | /** |
| 1032 | * Retrieve the name of the highest priority template file that exists. |
| 1033 | * |
| 1034 | * Searches in the STYLESHEETPATH before TEMPLATEPATH so that themes which |
| 1035 | * inherit from a parent theme can just overload one file. |
| 1036 | * |
| 1037 | * @since 2.7.0 |