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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 |
|---|---|
| 16 | function get_stylesheet_directory_uri() { |
| 17 | $stylesheet = get_stylesheet(); |
| 18 | $stylesheet_dir_uri = get_theme_root_uri() . "/$stylesheet"; |
| 19 | return apply_filters('stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet); |
| 20 | } |
| 21 | |
| 22 | function get_stylesheet_uri() { |
| 23 | $stylesheet_dir_uri = get_stylesheet_directory_uri(); |
| 24 | $stylesheet_uri = $stylesheet_dir_uri . "/style.css"; |
| 25 | return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri); |
| 26 | } |
| 27 | |
| 28 | function get_locale_stylesheet_uri() { |
| 29 | global $wp_locale; |
| 30 | $stylesheet_dir_uri = get_stylesheet_directory_uri(); |
| 31 | $dir = get_stylesheet_directory(); |
| 32 | $locale = get_locale(); |
| 33 | if ( file_exists("$dir/$locale.css") ) |
| 34 | $stylesheet_uri = "$stylesheet_dir_uri/$locale.css"; |