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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 |
|---|---|
| 3895 | */ |
| 3896 | function get_search_query( $escaped = true ) { |
| 3897 | /** |
| 3898 | * Filters the contents of the search query variable. |
| 3899 | * |
| 3900 | * @since 2.3.0 |
| 3901 | * |
| 3902 | * @param mixed $search Contents of the search query variable. |
| 3903 | */ |
| 3904 | $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); |
| 3905 | |
| 3906 | if ( $escaped ) { |
| 3907 | $query = esc_attr( $query ); |
| 3908 | } |
| 3909 | return $query; |
| 3910 | } |
| 3911 | |
| 3912 | /** |
| 3913 | * Displays the contents of the search query variable. |