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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 |
|---|---|
| 819 | * Attempts to locate 'home.php' first before falling back to 'index.php'. |
| 820 | * |
| 821 | * @since 1.5.0 |
| 822 | * @uses apply_filters() Calls 'home_template' on file path of home template. |
| 823 | * |
| 824 | * @return string |
| 825 | */ |
| 826 | function get_home_template() { |
| 827 | $template = locate_template(array('home.php', 'index.php')); |
| 828 | return apply_filters('home_template', $template); |
| 829 | } |
| 830 | |
| 831 | /** |
| 832 | * Retrieve path of page template in current or parent template. |
| 833 | * |
| 834 | * Will first look for the specifically assigned page template |
| 835 | * The will search for 'page-{slug}.php' followed by 'page-id.php' |
| 836 | * and finally 'page.php' |
| 837 | * |