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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 |
---|---|
4538 |
|
4539 | /** |
4540 | * Filters the URL to a file in the theme. |
4541 | * |
4542 | * @since 4.7.0 |
4543 | * |
4544 | * @param string $url The file URL. |
4545 | * @param string $file The requested file to search for. |
4546 | */ |
4547 | return apply_filters( 'theme_file_uri', $url, $file ); |
4548 | } |
4549 |
|
4550 | /** |
4551 | * Retrieves the URL of a file in the parent theme. |
4552 | * |
4553 | * @since 4.7.0 |
4554 | * |
4555 | * @param string $file Optional. File to return the URL for in the template directory. |
4556 | * @return string The URL of the file. |