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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 |
|---|---|
| 1552 | |
| 1553 | /** |
| 1554 | * Retrieve the contents of the search WordPress query variable. |
| 1555 | * |
| 1556 | * @since 2.3.0 |
| 1557 | * |
| 1558 | * @return string |
| 1559 | */ |
| 1560 | function get_search_query() { |
| 1561 | return apply_filters( 'get_search_query', stripslashes( get_query_var( 's' ) ) ); |
| 1562 | } |
| 1563 | |
| 1564 | /** |
| 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 |