?’; } // Add custom special characters provided by the user if (!empty($custom_special_chars)) { $chars .= $custom_special_chars; } // Generate the password if at least one character type is selected if (!empty($chars)) { for ($i = 0; $i < $length; $i++) { // Pick a random character from the combined character set $password .= $chars[rand(0, strlen($chars) - 1)]; } } else { $password = "Por favor, selecciona al menos un tipo de carácter."; // Message if no character type is selected } } ?>