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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 |
|---|---|
| 732 | $templates = array(); |
| 733 | |
| 734 | if ( !is_wp_error($category) ) |
| 735 | $templates[] = "category-{$category->slug}.php"; |
| 736 | |
| 737 | $templates[] = "category-$cat_ID.php"; |
| 738 | $templates[] = "category.php"; |
| 739 | |
| 740 | $template = locate_template($templates); |
| 741 | return apply_filters('category_template', $template); |
| 742 | } |
| 743 | |
| 744 | /** |
| 745 | * Retrieve path of tag template in current or parent template. |
| 746 | * |
| 747 | * Works by first retrieving the current tag name, for example 'tag-wordpress.php' and then |
| 748 | * trying tag ID, for example 'tag-1.php' and will finally fallback to tag.php |
| 749 | * template, if those files don't exist. |
| 750 | * |