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dio_read

(PHP 4 >= 4.2.0, PHP 5 <= 5.0.4)

dio_read -- Reads bytes from a file descriptor

说明

string dio_read ( resource fd [, int len] )

The function dio_read() reads and returns len bytes from file with descriptor fd.

参数

fd: The file descriptor returned by dio_open().
len: The number of bytes to read. If not specified, dio_read() reads 1K sized block.

返回值

The bytes read from fd.

参见

dio_write()

add a note User Contributed Notes

matt at vhub dot com
19-May-2006 10:48


Note that dio_read on Windows (other platforms unknown) will not timeout if there is no data to read. There is no way to specify a timeout or do a non-blocking read on Windows.

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后退	起点	前进
dio_open	上一级	dio_seek