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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 |
|---|---|
| 880 | * Attempts to locate 'home.php' first before falling back to 'index.php'. |
| 881 | * |
| 882 | * @since 1.5.0 |
| 883 | * @uses apply_filters() Calls 'home_template' on file path of home template. |
| 884 | * |
| 885 | * @return string |
| 886 | */ |
| 887 | function get_home_template() { |
| 888 | $template = locate_template(array('home.php', 'index.php')); |
| 889 | return apply_filters('home_template', $template); |
| 890 | } |
| 891 | |
| 892 | /** |
| 893 | * Retrieve path of front-page template in current or parent template. |
| 894 | * |
| 895 | * Looks for 'front-page.php'. |
| 896 | * |
| 897 | * @since 3.0.0 |
| 898 | * @uses apply_filters() Calls 'front_page_template' on file path of template. |