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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 |
|---|---|
| 107 | $stylesheet_dir_uri = get_stylesheet_directory_uri(); |
| 108 | $dir = get_stylesheet_directory(); |
| 109 | $locale = get_locale(); |
| 110 | if ( file_exists("$dir/$locale.css") ) |
| 111 | $stylesheet_uri = "$stylesheet_dir_uri/$locale.css"; |
| 112 | elseif ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") ) |
| 113 | $stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css"; |
| 114 | else |
| 115 | $stylesheet_uri = ''; |
| 116 | return apply_filters('locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Retrieve name of the current theme. |
| 121 | * |
| 122 | * @since 1.5.0 |
| 123 | * @uses apply_filters() Calls 'template' filter on template option. |
| 124 | * |
| 125 | * @return string Template name. |