oci_result() returns the data from the field field in the current row, fetched by oci_fetch(). oci_result() returns everything as strings except for abstract types (ROWIDs, LOBs and FILEs). oci_result() returns FALSE on error.
You can either use the column number (1-based) or the column name (in uppercase) for the field() parameter.
Note: In PHP versions before 5.0.0 you must use ociresult() instead. This name still can be used, it was left as alias of oci_result() for downwards compatability. This, however, is deprecated and not recommended.