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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 |
|---|---|
| 19 | $admin_title = __( 'Global Dashboard' ); |
| 20 | else |
| 21 | $admin_title = get_bloginfo( 'name' ); |
| 22 | |
| 23 | if ( $admin_title == $title ) |
| 24 | $admin_title = sprintf( __( '%1$s — WordPress' ), $title ); |
| 25 | else |
| 26 | $admin_title = sprintf( __( '%1$s ‹ %2$s — WordPress' ), $title, $admin_title ); |
| 27 | |
| 28 | $admin_title = apply_filters( 'admin_title', $admin_title, $title ); |
| 29 | |
| 30 | wp_user_settings(); |
| 31 | |
| 32 | ?> |
| 33 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| 34 | <html xmlns="http://www.w3.org/1999/xhtml" <?php do_action('admin_xml_ns'); ?> <?php language_attributes(); ?>> |
| 35 | <head> |
| 36 | <meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php echo get_option('blog_charset'); ?>" /> |
| 37 | <title><?php echo $admin_title; ?></title> |