( resource statement, int field )
Returns precision of the field with field index
For FLOAT columns, precision is nonzero and scale is -127.
If precision is 0, then column is NUMBER. Else it's
In PHP versions before 5.0.0 you must use ocicolumnprecision() instead.
This name still can be used, it was left as alias of
oci_field_precision() for downwards compatability.
This, however, is deprecated and not recommended.
See also oci_field_scale() and