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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 |
|---|---|
| 4627 | |
| 4628 | /** |
| 4629 | * Filters the path to a file in the parent theme. |
| 4630 | * |
| 4631 | * @since 4.7.0 |
| 4632 | * |
| 4633 | * @param string $path The file path. |
| 4634 | * @param string $file The requested file to search for. |
| 4635 | */ |
| 4636 | return apply_filters( 'parent_theme_file_path', $path, $file ); |
| 4637 | } |
| 4638 | |
| 4639 | /** |
| 4640 | * Retrieves the URL to the privacy policy page. |
| 4641 | * |
| 4642 | * @since 4.9.6 |
| 4643 | * |
| 4644 | * @return string The URL to the privacy policy page. Empty string if it doesn't exist. |
| 4645 | */ |