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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 |
|---|---|
| 104 | */ |
| 105 | function get_search_form() { |
| 106 | do_action( 'get_search_form' ); |
| 107 | |
| 108 | if ( '' != locate_template(array('searchform.php'), true) ) |
| 109 | return; |
| 110 | |
| 111 | $form = '<form method="get" id="searchform" action="' . get_option('home') . '/" > |
| 112 | <label class="hidden" for="s">' . __('Search for:') . '</label> |
| 113 | <div><input type="text" value="' . attribute_escape(apply_filters('the_search_query', get_search_query())) . '" name="s" id="s" /> |
| 114 | <input type="submit" id="searchsubmit" value="'.attribute_escape(__('Search')).'" /> |
| 115 | </div> |
| 116 | </form>'; |
| 117 | |
| 118 | echo apply_filters('get_search_form', $form); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Display the Log In/Out link. |
| Line | Code |
| 1565 | * Display the contents of the search query variable. |
| 1566 | * |
| 1567 | * The search query string is passed through {@link attribute_escape()} |
| 1568 | * to ensure that it is safe for placing in an html attribute. |
| 1569 | * |
| 1570 | * @uses attribute_escape |
| 1571 | * @since 2.1.0 |
| 1572 | */ |
| 1573 | function the_search_query() { |
| 1574 | echo attribute_escape( apply_filters( 'the_search_query', get_search_query() ) ); |
| 1575 | } |
| 1576 | |
| 1577 | /** |
| 1578 | * Display the language attributes for the html tag. |
| 1579 | * |
| 1580 | * Builds up a set of html attributes containing the text direction and language |
| 1581 | * information for the page. |
| 1582 | * |
| 1583 | * @since 2.1.0 |