define('CAPTCHA_SESSION_ID', 'php_captcha');


define('CAPTCHA_WIDTH', 300); // max 500


define('CAPTCHA_HEIGHT', 90); // max 200


define('CAPTCHA_NUM_CHARS', 5);


define('CAPTCHA_NUM_LINES', 90);


define('CAPTCHA_CHAR_SHADOW', false);


define('CAPTCHA_OWNER_TEXT', '');


define('CAPTCHA_CHAR_SET', ''); // defaults to A-Z


define('CAPTCHA_CASE_INSENSITIVE', false);


define('CAPTCHA_BACKGROUND_IMAGES', '');


define('CAPTCHA_MIN_FONT_SIZE', 16);


define('CAPTCHA_MAX_FONT_SIZE', 20);


define('CAPTCHA_USE_COLOUR', true);


define('CAPTCHA_FILE_TYPE', 'png');


define('CAPTCHA_FLITE_PATH', '/usr/bin/flite');


define('CAPTCHA_AUDIO_PATH', '/tmp/'); // must be writeable by PHP process