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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 |
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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 |