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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 |
|---|---|
| 33 | * The last element in the array should always be the fallback template for this query type. |
| 34 | * |
| 35 | * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date', |
| 36 | * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'. |
| 37 | * |
| 38 | * @since 4.7.0 |
| 39 | * |
| 40 | * @param array $templates A list of template candidates, in descending order of priority. |
| 41 | */ |
| 42 | $templates = apply_filters( "{$type}_template_hierarchy", $templates ); |
| 43 | |
| 44 | $template = locate_template( $templates ); |
| 45 | |
| 46 | /** |
| 47 | * Filters the path of the queried template by type. |
| 48 | * |
| 49 | * The dynamic portion of the hook name, `$type`, refers to the filename -- minus the file |
| 50 | * extension and any non-alphanumeric characters delimiting words -- of the file to load. |
| 51 | * This hook also applies to various types of files loaded as part of the Template Hierarchy. |