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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 |
|---|---|
| 42 | * @uses apply_filters() Calls 'stylesheet_directory' filter on stylesheet directory and theme name. |
| 43 | * |
| 44 | * @return string Path to current theme directory. |
| 45 | */ |
| 46 | function get_stylesheet_directory() { |
| 47 | $stylesheet = get_stylesheet(); |
| 48 | $theme_root = get_theme_root( $stylesheet ); |
| 49 | $stylesheet_dir = "$theme_root/$stylesheet"; |
| 50 | |
| 51 | return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root ); |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Retrieve stylesheet directory URI. |
| 56 | * |
| 57 | * @since 1.5.0 |
| 58 | * |
| 59 | * @return string |
| 60 | */ |