source/CAS.php
public static function getSupportedProtocols()
    {
        $supportedProtocols = array();
        $supportedProtocols[CAS_VERSION_1_0] = 'CAS 1.0';
        $supportedProtocols[CAS_VERSION_2_0] = 'CAS 2.0';
        $supportedProtocols[CAS_VERSION_3_0] = 'CAS 3.0';
        $supportedProtocols[SAML_VERSION_1_1] = 'SAML 1.1';

        return $supportedProtocols;
    }
public static function getSupportedProtocols()
    {
        $supportedProtocols = array();
        $supportedProtocols[CAS_VERSION_1_0] = 'CAS 1.0';
        $supportedProtocols[CAS_VERSION_2_0] = 'CAS 2.0';
        $supportedProtocols[CAS_VERSION_3_0] = 'CAS 3.0';
        $supportedProtocols[SAML_VERSION_1_1] = 'SAML 1.1';

        return $supportedProtocols;
    }
public static function getSupportedProtocols ( ) { $ supportedProtocols = array ( ) ; $ supportedProtocols [ CAS_VERSION_1_0 ] = 'CAS 1.0' ; $ supportedProtocols [ CAS_VERSION_2_0 ] = 'CAS 2.0' ; $ supportedProtocols [ CAS_VERSION_3_0 ] = 'CAS 3.0' ; $ supportedProtocols [ SAML_VERSION_1_1 ] = 'SAML 1.1' ; return $ supportedProtocols ; }
This method returns supported protocols.

@return array an array of all supported protocols. Use internal protocol name as array key.
This method returns supported protocols .