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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 |
|---|---|
| 174 | * |
| 175 | * @since 1.5.0 |
| 176 | * @uses apply_filters() Calls 'stylesheet_uri' filter on stylesheet URI path and stylesheet directory URI. |
| 177 | * |
| 178 | * @return string |
| 179 | */ |
| 180 | function get_stylesheet_uri() { |
| 181 | $stylesheet_dir_uri = get_stylesheet_directory_uri(); |
| 182 | $stylesheet_uri = $stylesheet_dir_uri . '/style.css'; |
| 183 | return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri); |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Retrieve localized stylesheet URI. |
| 188 | * |
| 189 | * The stylesheet directory for the localized stylesheet files are located, by |
| 190 | * default, in the base theme directory. The name of the locale file will be the |
| 191 | * locale followed by '.css'. If that does not exist, then the text direction |
| 192 | * stylesheet will be checked for existence, for example 'ltr.css'. |