Ces constantes sont définies par cette extension, et ne sont disponibles que si cette extension a été compilée avec PHP, ou bien chargée au moment de l'exécution.
SQLSRV_FETCH_ASSOC 
     (int)
    SQLSRV_FETCH_NUMERIC 
     (int)
    SQLSRV_FETCH_BOTH 
     (int)
    SQLSRV_ERR_ALL 
     (int)
    SQLSRV_ERR_ERRORS 
     (int)
    SQLSRV_ERR_WARNINGS 
     (int)
    SQLSRV_LOG_SYSTEM_ALL 
     (int)
    SQLSRV_LOG_SYSTEM_CONN 
     (int)
    SQLSRV_LOG_SYSTEM_INIT 
     (int)
    SQLSRV_LOG_SYSTEM_OFF 
     (int)
    SQLSRV_LOG_SYSTEM_STMT 
     (int)
    SQLSRV_LOG_SYSTEM_UTIL 
     (int)
    SQLSRV_LOG_SEVERITY_ALL 
     (int)
    SQLSRV_LOG_SEVERITY_ERROR 
     (int)
    SQLSRV_LOG_SEVERITY_NOTICE 
     (int)
    SQLSRV_LOG_SEVERITY_WARNING 
     (int)
    SQLSRV_NULLABLE_YES 
     (int)
    SQLSRV_NULLABLE_NO 
     (int)
    SQLSRV_NULLABLE_UNKNOWN 
     (int)
    SQLSRV_PARAM_IN 
     (int)
    SQLSRV_PARAM_INOUT 
     (int)
    SQLSRV_PARAM_OUT 
     (int)
    SQLSRV_PHPTYPE_INT 
     (int)
    SQLSRV_PHPTYPE_DATETIME 
     (int)
    SQLSRV_PHPTYPE_FLOAT 
     (int)
    SQLSRV_PHPTYPE_STREAM 
     (int)
    SQLSRV_PHPTYPE_STRING 
     (int)
    SQLSRV_ENC_BINARY 
     (int)
    SQLSRV_ENC_CHAR 
     (int)
    SQLSRV_SQLTYPE_BIGINT 
     (int)
    SQLSRV_SQLTYPE_BINARY 
     (int)
    SQLSRV_SQLTYPE_BIT 
     (int)
    SQLSRV_SQLTYPE_CHAR 
     (int)
    SQLSRV_SQLTYPE_DATE 
     (int)
    SQLSRV_SQLTYPE_DATETIME 
     (int)
    SQLSRV_SQLTYPE_DATETIME2 
     (int)
    SQLSRV_SQLTYPE_DATETIMEOFFSET 
     (int)
    SQLSRV_SQLTYPE_DECIMAL 
     (int)
    SQLSRV_SQLTYPE_FLOAT 
     (int)
    SQLSRV_SQLTYPE_IMAGE 
     (int)
    SQLSRV_SQLTYPE_INT 
     (int)
    SQLSRV_SQLTYPE_MONEY 
     (int)
    SQLSRV_SQLTYPE_NCHAR 
     (int)
    SQLSRV_SQLTYPE_NUMERIC 
     (int)
    SQLSRV_SQLTYPE_NVARCHAR 
     (int)
    SQLSRV_SQLTYPE_NVARCHAR('max') 
     (int)
    SQLSRV_SQLTYPE_NTEXT 
     (int)
    SQLSRV_SQLTYPE_REAL 
     (int)
    SQLSRV_SQLTYPE_SMALLDATETIME 
     (int)
    SQLSRV_SQLTYPE_SMALLINT 
     (int)
    SQLSRV_SQLTYPE_SMALLMONEY 
     (int)
    SQLSRV_SQLTYPE_TEXT 
     (int)
    SQLSRV_SQLTYPE_TIME 
     (int)
    SQLSRV_SQLTYPE_TIMESTAMP 
     (int)
    SQLSRV_SQLTYPE_TINYINT 
     (int)
    SQLSRV_SQLTYPE_UNIQUEIDENTIFIER 
     (int)
    SQLSRV_SQLTYPE_UDT 
     (int)
    SQLSRV_SQLTYPE_VARBINARY 
     (int)
    SQLSRV_SQLTYPE_VARBINARY('max') 
     (int)
    SQLSRV_SQLTYPE_VARCHAR 
     (int)
    SQLSRV_SQLTYPE_VARCHAR('max') 
     (int)
    SQLSRV_SQLTYPE_XML 
     (int)
    SQLSRV_TXN_READ_UNCOMMITTED 
     (int)
    SQLSRV_TXN_READ_COMMITTED 
     (int)
    SQLSRV_TXN_REPEATABLE_READ 
     (int)
    SQLSRV_TXN_SNAPSHOT 
     (int)
    SQLSRV_TXN_READ_SERIALIZABLE 
     (int)
    SQLSRV_CURSOR_FORWARD 
     (int)
    SQLSRV_CURSOR_STATIC 
     (int)
    SQLSRV_CURSOR_DYNAMIC 
     (int)
    SQLSRV_CURSOR_KEYSET 
     (int)
    SQLSRV_CURSOR_BUFFERED 
     (int)
    SQLSRV_SCROLL_NEXT 
     (int)
    SQLSRV_SCROLL_PRIOR 
     (int)
    SQLSRV_SCROLL_FIRST 
     (int)
    SQLSRV_SCROLL_LAST 
     (int)
    SQLSRV_SCROLL_ABSOLUTE 
     (int)
    SQLSRV_SCROLL_RELATIVE 
     (int)
    