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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 |
|---|---|
| 2579 | */ |
| 2580 | function get_search_query( $escaped = true ) { |
| 2581 | /** |
| 2582 | * Filter the contents of the search query variable. |
| 2583 | * |
| 2584 | * @since 2.3.0 |
| 2585 | * |
| 2586 | * @param mixed $search Contents of the search query variable. |
| 2587 | */ |
| 2588 | $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); |
| 2589 | |
| 2590 | if ( $escaped ) |
| 2591 | $query = esc_attr( $query ); |
| 2592 | return $query; |
| 2593 | } |
| 2594 | |
| 2595 | /** |
| 2596 | * Display the contents of the search query variable. |
| 2597 | * |