Disable Search in WordPress: The search feature of WordPress has been around for a long time.
However, if your website does not need it, or you do not want users to “search” through your website for some reason, you can use this code snippet.
Essentially, it is a custom function that simply nullifies the search feature.
Not just the search bar in your sidebar or the menu, but the entire concept of native WordPress search is gone.
Why can this be useful? Again, it can help if you are running your website on low spec server and do not have content that needs to be searched (probably you aren’t running a blog).
To disable WordPress on-site search, add this to the functions.php file:
function fb_filter_query( $query, $error = true ) {
if ( is_search() ) {
$query->is_search = false;
$query->query_vars[s] = false;
$query->query[s] = false;
// to error
if ( $error == true )
$query->is_404 = true;
}
}
add_action( 'parse_query', 'fb_filter_query' );
add_filter( 'get_search_form', create_function( '$a', "return null;" ) );
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