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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 |
|---|---|
| 4289 | |
| 4290 | /** |
| 4291 | * Filters the URL to a file in the theme. |
| 4292 | * |
| 4293 | * @since 4.7.0 |
| 4294 | * |
| 4295 | * @param string $url The file URL. |
| 4296 | * @param string $file The requested file to search for. |
| 4297 | */ |
| 4298 | return apply_filters( 'theme_file_uri', $url, $file ); |
| 4299 | } |
| 4300 | |
| 4301 | /** |
| 4302 | * Retrieves the URL of a file in the parent theme. |
| 4303 | * |
| 4304 | * @since 4.7.0 |
| 4305 | * |
| 4306 | * @param string $file Optional. File to return the URL for in the template directory. |
| 4307 | * @return string The URL of the file. |