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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 |
|---|---|
| 4020 | */ |
| 4021 | function get_search_query( $escaped = true ) { |
| 4022 | /** |
| 4023 | * Filters the contents of the search query variable. |
| 4024 | * |
| 4025 | * @since 2.3.0 |
| 4026 | * |
| 4027 | * @param mixed $search Contents of the search query variable. |
| 4028 | */ |
| 4029 | $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); |
| 4030 | |
| 4031 | if ( $escaped ) { |
| 4032 | $query = esc_attr( $query ); |
| 4033 | } |
| 4034 | return $query; |
| 4035 | } |
| 4036 | |
| 4037 | /** |
| 4038 | * Displays the contents of the search query variable. |