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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 |
|---|---|
| 2465 | */ |
| 2466 | function get_search_query( $escaped = true ) { |
| 2467 | /** |
| 2468 | * Filter the contents of the search query variable. |
| 2469 | * |
| 2470 | * @since 2.3.0 |
| 2471 | * |
| 2472 | * @param mixed $search Contents of the search query variable. |
| 2473 | */ |
| 2474 | $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); |
| 2475 | |
| 2476 | if ( $escaped ) |
| 2477 | $query = esc_attr( $query ); |
| 2478 | return $query; |
| 2479 | } |
| 2480 | |
| 2481 | /** |
| 2482 | * Display the contents of the search query variable. |
| 2483 | * |