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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 |
|---|---|
| 79 | $template = get_index_template(); |
| 80 | endif; |
| 81 | /** |
| 82 | * Filter the path of the current template before including it. |
| 83 | * |
| 84 | * @since 3.0.0 |
| 85 | * |
| 86 | * @param string $template The path of the template to include. |
| 87 | */ |
| 88 | if ( $template = apply_filters( 'template_include', $template ) ) |
| 89 | include( $template ); |
| 90 | return; |
| 91 | endif; |
| 92 | |