ovrimos_field_len
    (PHP 4 >= 4.0.3)
ovrimos_field_len -- Returns the length of the output column
Description
int 
ovrimos_field_len ( int result_id, int field_number)
     ovrimos_field_len() is used to get the length
     of the output column with number field_number,
     in result result_id.
    
     ovrimos_field_len() returns the length of the
     output column at the (1-based) index specified.