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                                   dio_write

   (PHP 4 >= 4.2.0)
   dio_write --  Writes data to fd with optional truncation at length

Description

   int dio_write ( resource fd, string data [, int len])

   The function dio_write() writes up to len bytes from data to file fd.
   If len is not specified, dio_write() writes all data to the specified
   file. dio_write() returns the number of bytes written to fd.
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