(PHP3 , PHP4 )
pg_fieldnum -- Returns the field number of the named field
Description
int pg_fieldnum (int result_id, string field_name)
     Pg_fieldnum() will return the number of the
     column slot that corresponds to the named field in the given
     PosgreSQL result identifier.  Field numbering starts at 0.  This
     function will return -1 on error.