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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 |
|---|---|
| 1699 | |
| 1700 | /** |
| 1701 | * Retrieve the contents of the search WordPress query variable. |
| 1702 | * |
| 1703 | * @since 2.3.0 |
| 1704 | * |
| 1705 | * @return string |
| 1706 | */ |
| 1707 | function get_search_query() { |
| 1708 | return apply_filters( 'get_search_query', get_query_var( 's' ) ); |
| 1709 | } |
| 1710 | |
| 1711 | /** |
| 1712 | * Display the contents of the search query variable. |
| 1713 | * |
| 1714 | * The search query string is passed through {@link esc_attr()} |
| 1715 | * to ensure that it is safe for placing in an html attribute. |
| 1716 | * |
| 1717 | * @uses attr |