protected function castString($array)
    {
        if (is_string($array)) return $array;

        $string = '';
        $i = 0;
        foreach ($array as $key => $val) {
            //Add values separated by comma
            //prepend the key string, if it's an associative key
            //Check if the value itself is another array to be converted to string
            $string .= ($i === $key ? '' : "$key - ") . $this->castString($val) . ', ';
            $i++;
        }

        //Remove trailing comma and space
        $string = rtrim($string, ', ');

        return $string;
    }
protected function castString($array)
    {
        if (is_string($array)) return $array;

        $string = '';
        $i = 0;
        foreach ($array as $key => $val) {
            //Add values separated by comma
            //prepend the key string, if it's an associative key
            //Check if the value itself is another array to be converted to string
            $string .= ($i === $key ? '' : "$key - ") . $this->castString($val) . ', ';
            $i++;
        }

        //Remove trailing comma and space
        $string = rtrim($string, ', ');

        return $string;
    }
protected function castString ( $ array ) { if ( is_string ( $ array ) ) return $ array ; $ string = '' ; $ i = 0 ; foreach ( $ array as $ key => $ val ) { //Add values separated by comma //prepend the key string, if it's an associative key //Check if the value itself is another array to be converted to string $ string .= ( $ i === $ key ? '' : "$key - " ) . $ this -> castString ( $ val ) . ', ' ; $ i ++ ; } //Remove trailing comma and space $ string = rtrim ( $ string , ', ' ) ; return $ string ; }
Convert an array to string

@param array $array

@internal

@return string
Convert an array to string