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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 |
---|---|
4523 |
|
4524 | /** |
4525 | * Filters the path to a file in the parent theme. |
4526 | * |
4527 | * @since 4.7.0 |
4528 | * |
4529 | * @param string $path The file path. |
4530 | * @param string $file The requested file to search for. |
4531 | */ |
4532 | return apply_filters( 'parent_theme_file_path', $path, $file ); |
4533 | } |
4534 |
|
4535 | /** |
4536 | * Retrieves the URL to the privacy policy page. |
4537 | * |
4538 | * @since 4.9.6 |
4539 | * |
4540 | * @return string The URL to the privacy policy page. Empty string if it doesn't exist. |
4541 | */ |