Ganti search permalink di wordpress dari ?s=key1+key2 redirect ke /info/key1-key2/

search-permalink-tanpa-html

/*
 * Tambahkan semua fungsi ini pada functions.php di theme maupun child_theme
 * Setelah itu jangan lupa untuk masuk ke settings -> permalink dan save.
*/

function idtheme_add_rewrite_rules( $wp_rewrite ){
    $new_rules = array('^search/(.+)\$' => 'index.php?s=' .$wp_rewrite->preg_index(1));
    $wp_rewrite->rules = $new_rules + $wp_rewrite->rules;
}
add_action('generate_rewrite_rules', 'idtheme_add_rewrite_rules');

function idtheme_filter_search_query(){
	global $wp;
	if (!empty($wp->query_vars['s'])){
		$wp->set_query_var('s', str_replace('-',' ',$wp->query_vars['s']));
	}	
}
add_action('parse_request', 'idtheme_filter_search_query');

function idtheme_change_search_string( $search_rewrite ) {
	if( !is_array( $search_rewrite ) )
		return $search_rewrite;
	$new_array = array();
	$searchpermalink = 'info/';
	foreach( $search_rewrite as $pattern => $_s_query_string )
		$new_array[ str_replace( 'search/', $searchpermalink, $pattern ) ] = $_s_query_string;
	$search_rewrite = $new_array;
	unset( $new_array );
	return $search_rewrite;
}
add_filter( 'search_rewrite_rules', 'idtheme_change_search_string');

function idtheme_change_seach_parse_query() {
	global $wp_query;
	// redirect
	if(!is_admin() && is_search() && isset($_GET['s'])) {
		ob_end_clean();  
		$change = array('+',' ','%20');
		$searchpermalink = 'info/';
		$redirect = home_url($searchpermalink) . '' . str_replace($change, '-' ,$_GET['s']);
		header("HTTP/1.1 301 Moved Permanently");
		header("Location: $redirect");
		die;
	}
}
add_action( 'parse_query', 'idtheme_change_seach_parse_query' );

function idtheme_change_search_term( $search_term ) {
	if(!is_admin() && is_search()){
		$search_term = str_replace('-', ' ', $search_term);
		return $search_term;
	}
}
add_filter( 'get_search_query','idtheme_change_search_term' );