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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 |
|---|---|
| 431 | $classes = array( 'one-column' ); |
| 432 | |
| 433 | if ( 'content-sidebar' == $current_layout ) |
| 434 | $classes[] = 'right-sidebar'; |
| 435 | elseif ( 'sidebar-content' == $current_layout ) |
| 436 | $classes[] = 'left-sidebar'; |
| 437 | else |
| 438 | $classes[] = $current_layout; |
| 439 | |
| 440 | $classes = apply_filters( 'twentyeleven_layout_classes', $classes, $current_layout ); |
| 441 | |
| 442 | return array_merge( $existing_classes, $classes ); |
| 443 | } |
| 444 | add_filter( 'body_class', 'twentyeleven_layout_classes' ); |
| 445 | |
| 446 | /** |
| 447 | * Implements Twenty Eleven theme options into Theme Customizer |
| 448 | * |
| 449 | * @param $wp_customize Theme Customizer object |