public function queryString($params = [], $format = null) {
		$result = [];
		$query = [];

		foreach (array_filter([$this->query, $params]) as $querySet) {
			if (is_string($querySet)) {
				$result[] = $querySet;
				continue;
			}
			$query = array_merge($query, $querySet);
		}
		$query = array_filter($query);

		if ($format) {
			$q = null;
			foreach ($query as $key => $value) {
				if (!is_array($value)) {
					$q .= Text::insert($format, [
						'key' => urlencode($key),
						'value' => urlencode($value)
					]);
					continue;
				}
				foreach ($value as $val) {
					$q .= Text::insert($format, [
						'key' => urlencode("{$key}[]"),
						'value' => urlencode($val)
					]);
				}
			}
			$result[] = substr($q, 0, -1);
		} else {
			$result[] = http_build_query($query);
		}

		$result = array_filter($result);
		return $result ? "?" . join("&", $result) : null;
	}
public function queryString($params = [], $format = null) {
		$result = [];
		$query = [];

		foreach (array_filter([$this->query, $params]) as $querySet) {
			if (is_string($querySet)) {
				$result[] = $querySet;
				continue;
			}
			$query = array_merge($query, $querySet);
		}
		$query = array_filter($query);

		if ($format) {
			$q = null;
			foreach ($query as $key => $value) {
				if (!is_array($value)) {
					$q .= Text::insert($format, [
						'key' => urlencode($key),
						'value' => urlencode($value)
					]);
					continue;
				}
				foreach ($value as $val) {
					$q .= Text::insert($format, [
						'key' => urlencode("{$key}[]"),
						'value' => urlencode($val)
					]);
				}
			}
			$result[] = substr($q, 0, -1);
		} else {
			$result[] = http_build_query($query);
		}

		$result = array_filter($result);
		return $result ? "?" . join("&", $result) : null;
	}
public function queryString ( $ params = [ ] , $ format = null ) { $ result = [ ] ; $ query = [ ] ; foreach ( array_filter ( [ $ this -> query , $ params ] ) as $ querySet ) { if ( is_string ( $ querySet ) ) { $ result [ ] = $ querySet ; continue ; } $ query = array_merge ( $ query , $ querySet ) ; } $ query = array_filter ( $ query ) ; if ( $ format ) { $ q = null ; foreach ( $ query as $ key => $ value ) { if ( ! is_array ( $ value ) ) { $ q .= Text :: insert ( $ format , [ 'key' => urlencode ( $ key ) , 'value' => urlencode ( $ value ) ] ) ; continue ; } foreach ( $ value as $ val ) { $ q .= Text :: insert ( $ format , [ 'key' => urlencode ( "{$key}[]" ) , 'value' => urlencode ( $ val ) ] ) ; } } $ result [ ] = substr ( $ q , 0 , - 1 ) ; } else { $ result [ ] = http_build_query ( $ query ) ; } $ result = array_filter ( $ result ) ; return $ result ? "?" . join ( "&" , $ result ) : null ; }
Get the full query string queryString.

@param array $params
@param string $format
@return string
Get the full query string queryString .