| SQLT_NTY | Maps a native collection type from a PHP collection object,
      such as those created by oci_new_collection(). | 
    
     | SQLT_BFILEE | Maps a native descriptor, such as those created by
      oci_new_descriptor(). | 
    
     | SQLT_CFILEE | Maps a native descriptor, such as those created by
      oci_new_descriptor(). | 
    
     | SQLT_CLOB | Maps a native descriptor, such as those created by
      oci_new_descriptor(). | 
    
     | SQLT_BLOB | Maps a native descriptor, such as those created by
      oci_new_descriptor(). | 
    
     | SQLT_RDD | Maps a native descriptor, such as those created by
      oci_new_descriptor(). | 
    
     | SQLT_NUM | Converts the PHP parameter to a 'C' long type, and binds to
      that value. | 
    
     | SQLT_RSET | Maps a native statement handle, such as those created by
      oci_parse() or those retrieved from other OCI queries. | 
    
     | SQLT_BOL | Bind the PHP parameter to a PL/SQL BOOLEAN | 
    
     | SQLT_CHRand any other type | Converts the PHP parameter to a string type and binds as a
      string. |