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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
1803 |
|
1804 | /** |
1805 | * Fires inside the HTML tag in the admin header. |
1806 | * |
1807 | * @since 2.2.0 |
1808 | */ |
1809 | ?> |
1810 | <!DOCTYPE html> |
1811 | <!--[if IE 8]> |
1812 | <html xmlns="http://www.w3.org/1999/xhtml" class="ie8 <?php echo $admin_html_class; ?>" <?php do_action( 'admin_xml_ns' ); ?> <?php language_attributes(); ?>> |
1813 | <![endif]--> |
1814 | <!--[if !(IE 8) ]><!--> |
1815 | <?php /** This action is documented in wp-admin/includes/template.php */ ?> |
1816 | <html xmlns="http://www.w3.org/1999/xhtml" class="<?php echo $admin_html_class; ?>" <?php do_action( 'admin_xml_ns' ); ?> <?php language_attributes(); ?>> |
1817 | <!--<![endif]--> |
1818 | <head> |
1819 | <meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php echo get_option('blog_charset'); ?>" /> |
1820 | <?php |
1821 | } |
1822 |
|
1823 | final class WP_Internal_Pointers { |
1824 | /** |
1825 | * Initializes the new feature pointers. |