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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 |
|---|---|
| 117 | |
| 118 | $search_form_template = locate_template(array('searchform.php')); |
| 119 | if ( '' != $search_form_template ) { |
| 120 | require($search_form_template); |
| 121 | return; |
| 122 | } |
| 123 | |
| 124 | $form = '<form role="search" method="get" id="searchform" action="' . get_option('home') . '/" > |
| 125 | <div><label class="screen-reader-text" for="s">' . __('Search for:') . '</label> |
| 126 | <input type="text" value="' . esc_attr(apply_filters('the_search_query', get_search_query())) . '" name="s" id="s" /> |
| 127 | <input type="submit" id="searchsubmit" value="'. esc_attr__('Search') .'" /> |
| 128 | </div> |
| 129 | </form>'; |
| 130 | |
| 131 | echo apply_filters('get_search_form', $form); |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Display the Log In/Out link. |
| Line | Code |
| 1711 | * Display the contents of the search query variable. |
| 1712 | * |
| 1713 | * The search query string is passed through {@link esc_attr()} |
| 1714 | * to ensure that it is safe for placing in an html attribute. |
| 1715 | * |
| 1716 | * @uses attr |
| 1717 | * @since 2.1.0 |
| 1718 | */ |
| 1719 | function the_search_query() { |
| 1720 | echo esc_attr( apply_filters( 'the_search_query', get_search_query() ) ); |
| 1721 | } |
| 1722 | |
| 1723 | /** |
| 1724 | * Display the language attributes for the html tag. |
| 1725 | * |
| 1726 | * Builds up a set of html attributes containing the text direction and language |
| 1727 | * information for the page. |
| 1728 | * |
| 1729 | * @since 2.1.0 |