Prestashop constants:

Here’s a list of pretty much all the constants that Prestashop 1.6 defines on a default installation with the default theme and demo content installed.

You can call these from within a Smarty template by {$smarty.const._SOME_CONSTANT}

ALL_CARRIERS
CARRIERS_MODULE
CARRIERS_MODULE_NEED_RANGE
DS
HTMLPURIFIER_PREFIX
MIN_PASSWD_LENGTH
PS_BOTH_TAX
PS_CARRIERS_AND_CARRIER_MODULES_NEED_RANGE
PS_CARRIERS_ONLY
PS_ORDER_PROCESS_OPC
PS_ORDER_PROCESS_STANDARD
PS_PRODUCT_TAX
PS_REGISTRATION_PROCESS_AIO
PS_REGISTRATION_PROCESS_STANDARD
PS_ROUND_DOWN
PS_ROUND_HALF
PS_ROUND_UP
PS_STATE_TAX
PS_TAX_EXC
PS_TAX_INC
PS_UNPACK_MODIFIED
PS_UNPACK_NATIVE
SMARTY_DIR
SMARTY_MBSTRING
SMARTY_PLUGINS_DIR
SMARTY_RESOURCE_CHAR_SET
SMARTY_RESOURCE_DATE_FORMAT
SMARTY_SPL_AUTOLOAD
SMARTY_SYSPLUGINS_DIR
_CAN_LOAD_FILES_
_COOKIE_IV_
_COOKIE_KEY_
_CUSTOMIZE_FILE_
_CUSTOMIZE_TEXTFIELD_
_DB_NAME_
_DB_PASSWD_
_DB_PREFIX_
_DB_SERVER_
_DB_USER_
_MAIL_DIR_
_MEDIA_SERVER_1_
_MEDIA_SERVER_2_
_MEDIA_SERVER_3_
_MODULE_DIR_
_MYSQL_ENGINE_
_PS_ADMIN_CONTROLLER_DIR_
_PS_ADMIN_IMG_
_PS_ADMIN_PROFILE_
_PS_ALL_THEMES_DIR_
_PS_BASE_URL_
_PS_BASE_URL_SSL_
_PS_CACHEFS_DIRECTORY_
_PS_CACHE_DIR_
_PS_CACHE_ENABLED_
_PS_CACHING_SYSTEM_
_PS_CAT_IMG_DIR_
_PS_CLASS_DIR_
_PS_COL_IMG_DIR_
_PS_CONFIG_DIR_
_PS_CONTROLLER_DIR_
_PS_CORE_DIR_
_PS_CORE_IMG_DIR_
_PS_CREATION_DATE_
_PS_CSS_DIR_
_PS_DEBUG_PROFILING_
_PS_DEBUG_SQL_
_PS_DEFAULT_CUSTOMER_GROUP_
_PS_DEFAULT_THEME_NAME_
_PS_DISPLAY_COMPATIBILITY_WARNING_
_PS_DOWNLOAD_DIR_
_PS_EMPLOYEE_IMG_DIR_
_PS_FRONT_CONTROLLER_DIR_
_PS_GENDERS_DIR_
_PS_GEOIP_DIR_
_PS_GEOLOCATION_NO_CATALOG_
_PS_GEOLOCATION_NO_ORDER_
_PS_IMG_
_PS_IMG_DIR_
_PS_JQUERY_VERSION_
_PS_JS_DIR_
_PS_LANG_IMG_DIR_
_PS_MAGIC_QUOTES_GPC_
_PS_MAIL_DIR_
_PS_MANU_IMG_DIR_
_PS_MIN_TIME_GENERATE_PASSWD_
_PS_MODE_DEMO_
_PS_MODE_DEV_
_PS_MODULE_DIR_
_PS_ORDER_STATE_IMG_DIR_
_PS_OS_BANKWIRE_
_PS_OS_CANCELED_
_PS_OS_CHEQUE_
_PS_OS_DELIVERED_
_PS_OS_ERROR_
_PS_OS_OUTOFSTOCK_
_PS_OS_PAYMENT_
_PS_OS_PAYPAL_
_PS_OS_PREPARATION_
_PS_OS_REFUND_
_PS_OS_SHIPPING_
_PS_OS_WS_PAYMENT_
_PS_OVERRIDE_DIR_
_PS_PDF_DIR_
_PS_PEAR_XML_PARSER_PATH_
_PS_PRICE_DISPLAY_PRECISION_
_PS_PROD_IMG_
_PS_PROD_IMG_DIR_
_PS_ROOT_DIR_
_PS_SCENE_IMG_DIR_
_PS_SCENE_THUMB_IMG_DIR_
_PS_SHIP_IMG_DIR_
_PS_SMARTY_CHECK_COMPILE_
_PS_SMARTY_CONSOLE_CLOSE_
_PS_SMARTY_CONSOLE_OPEN_
_PS_SMARTY_CONSOLE_OPEN_BY_URL_
_PS_SMARTY_DIR_
_PS_SMARTY_FORCE_COMPILE_
_PS_SMARTY_NO_COMPILE_
_PS_SSL_PORT_
_PS_STORE_IMG_DIR_
_PS_SUPP_IMG_DIR_
_PS_SWIFT_DIR_
_PS_TAASC_PATH_
_PS_TCPDF_PATH_
_PS_THEME_DIR_
_PS_THEME_MOBILE_DIR_
_PS_THEME_MOBILE_OVERRIDE_DIR_
_PS_THEME_OVERRIDE_DIR_
_PS_THEME_TOUCHPAD_DIR_
_PS_TMP_IMG_
_PS_TMP_IMG_DIR_
_PS_TOOL_DIR_
_PS_TRANSLATIONS_DIR_
_PS_TRANS_PATTERN_
_PS_UPLOAD_DIR_
_PS_USE_SQL_SLAVE_
_PS_VERSION_
_STOCK_MOVEMENT_MISSING_REASON_
_STOCK_MOVEMENT_ORDER_REASON_
_SUPP_DIR_
_THEMES_DIR_
_THEME_CAT_DIR_
_THEME_COL_DIR_
_THEME_CSS_DIR_
_THEME_DIR_
_THEME_GENDERS_DIR_
_THEME_IMG_DIR_
_THEME_JS_DIR_
_THEME_LANG_DIR_
_THEME_MANU_DIR_
_THEME_MOBILE_CSS_DIR_
_THEME_MOBILE_DIR_
_THEME_MOBILE_IMG_DIR_
_THEME_MOBILE_JS_DIR_
_THEME_NAME_
_THEME_PROD_DIR_
_THEME_PROD_PIC_DIR_
_THEME_SCENE_DIR_
_THEME_SCENE_THUMB_DIR_
_THEME_SHIP_DIR_
_THEME_STORE_DIR_
_THEME_SUP_DIR_
_THEME_TOUCHPAD_CSS_DIR_
_THEME_TOUCHPAD_DIR_
_THEME_TOUCHPAD_JS_DIR_
__PS_BASE_URI__