PHP Manual
EventBuffer
Read data from a file onto the end of the buffer

EventBuffer::readFrom

(PECL event >= 1.7.0)

EventBuffer::readFrom — Read data from a file onto the end of the buffer

说明

public EventBuffer::read ( mixed $fd , int $howmuch ) : int

Read data from the file specified by fd onto the end of the buffer.

参数

fd: Socket resource, stream, or numeric file descriptor.
howmuch: Maxmimum number of bytes to read.

返回值

Returns the number of bytes read, or FALSE on failure.

参见

EventBuffer::copyout() - Copies out specified number of bytes from the front of the buffer
EventBuffer::drain() - Removes specified number of bytes from the front of the buffer without copying it anywhere
EventBuffer::pullup() - Linearizes data within buffer and returns it's contents as a string
EventBuffer::readLine() - Extracts a line from the front of the buffer
EventBuffer::appendFrom() - Moves the specified number of bytes from a source buffer to the end of the current buffer

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