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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 |
|---|---|
| 156 | * @uses apply_filters() Calls 'stylesheet_directory' filter on stylesheet directory and theme name. |
| 157 | * |
| 158 | * @return string Path to current theme directory. |
| 159 | */ |
| 160 | function get_stylesheet_directory() { |
| 161 | $stylesheet = get_stylesheet(); |
| 162 | $theme_root = get_theme_root( $stylesheet ); |
| 163 | $stylesheet_dir = "$theme_root/$stylesheet"; |
| 164 | |
| 165 | return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root ); |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * Retrieve stylesheet directory URI. |
| 170 | * |
| 171 | * @since 1.5.0 |
| 172 | * |
| 173 | * @return string |
| 174 | */ |