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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 |
|---|---|
| 64 | $template = get_index_template(); |
| 65 | endif; |
| 66 | /** |
| 67 | * Filters the path of the current template before including it. |
| 68 | * |
| 69 | * @since 3.0.0 |
| 70 | * |
| 71 | * @param string $template The path of the template to include. |
| 72 | */ |
| 73 | if ( $template = apply_filters( 'template_include', $template ) ) { |
| 74 | include( $template ); |
| 75 | } elseif ( current_user_can( 'switch_themes' ) ) { |
| 76 | $theme = wp_get_theme(); |
| 77 | if ( $theme->errors() ) { |
| 78 | wp_die( $theme->errors() ); |
| 79 | } |
| 80 | } |
| 81 | return; |
| 82 | endif; |