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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 |
|---|---|
| 358 | * @since Twenty Eleven 1.0 |
| 359 | */ |
| 360 | function twentyeleven_enqueue_color_scheme() { |
| 361 | $options = twentyeleven_get_theme_options(); |
| 362 | $color_scheme = $options['color_scheme']; |
| 363 | |
| 364 | if ( 'dark' == $color_scheme ) |
| 365 | wp_enqueue_style( 'dark', get_template_directory_uri() . '/colors/dark.css', array(), null ); |
| 366 | |
| 367 | do_action( 'twentyeleven_enqueue_color_scheme', $color_scheme ); |
| 368 | } |
| 369 | add_action( 'wp_enqueue_scripts', 'twentyeleven_enqueue_color_scheme' ); |
| 370 | |
| 371 | /** |
| 372 | * Add a style block to the theme for the current link color. |
| 373 | * |
| 374 | * This function is attached to the wp_head action hook. |
| 375 | * |
| 376 | * @since Twenty Eleven 1.0 |