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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 |
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54 | * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'. |
55 | * |
56 | * @since 1.5.0 |
57 | * @since 4.8.0 The `$type` and `$templates` parameters were added. |
58 | * |
59 | * @param string $template Path to the template. See locate_template(). |
60 | * @param string $type Filename without extension. |
61 | * @param array $templates A list of template candidates, in descending order of priority. |
62 | */ |
63 | return apply_filters( "{$type}_template", $template, $type, $templates ); |
64 | } |
65 |
|
66 | /** |
67 | * Retrieve path of index template in current or parent template. |
68 | * |
69 | * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'} |
70 | * and {@see '$type_template'} dynamic hooks, where `$type` is 'index'. |
71 | * |
72 | * @since 3.0.0 |