PHP Manual
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# dio_read

(PHP 4 >= 4.2.0, PECL)

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 readed from fd.

## 参见

dio_write()

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dio_open | 上一级 | dio_seek