(PHP 4 >= 4.2.0, PHP 5 <= 5.0.4)
dio_write() writes up to len bytes from data to file fd.
len
data
fd
The file descriptor returned by dio_open().
The written data.
The length of data to write in bytes. If not specified, the function writes all the data to the specified file.
Returns the number of bytes written to fd.
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User Contributed Notes
dio_truncate