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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 |
---|---|
4346 |
|
4347 | /** |
4348 | * Filters the URL to a file in the parent theme. |
4349 | * |
4350 | * @since 4.7.0 |
4351 | * |
4352 | * @param string $url The file URL. |
4353 | * @param string $file The requested file to search for. |
4354 | */ |
4355 | return apply_filters( 'parent_theme_file_uri', $url, $file ); |
4356 | } |
4357 |
|
4358 | /** |
4359 | * Retrieves the path of a file in the theme. |
4360 | * |
4361 | * Searches in the stylesheet directory before the template directory so themes |
4362 | * which inherit from a parent theme can just override one file. |
4363 | * |
4364 | * @since 4.7.0 |