(PHP 4 >= 4.0.3)
ovrimos_longreadlen -- Specifies how many bytes are to be retrieved from long datatypesovrimos_longreadlen() is used to specify how many bytes are to be retrieved from long datatypes.
ovrimos_longreadlen() specifies how many bytes are to be retrieved from long datatypes (long varchar and long varbinary). Default is zero. Regardless of its taking a result_id as an argument, it currently sets this parameter for all result sets. Returns TRUE.