// Get the account option values for a specific type of account $accountType = 'Individual'; $optionValues = CRM_Core_PseudoConstant::accountOptionValues('account_type', true, false, $accountType); // Get all account option values $optionValues = CRM_Core_PseudoConstant::accountOptionValues('account_type', false, false); // Get only the active account option values $optionValues = CRM_Core_PseudoConstant::accountOptionValues('account_type', false, true);In the first example, we are fetching the account option values for a specific type of account (individual). The second example fetches all account option values, while the third example fetches only the active account option values. This method belongs to the CRM_Core_PseudoConstant class, which is part of the CRM_Core package library. This library provides various core functionalities for the CRM system, including data management, user interface, and customization.