update : 2015.11.03
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Returns the most recent socket error number
EventUtil
PHP Manual

EventUtil::getLastSocketErrno

(PECL event >= 1.2.6-beta)

EventUtil::getLastSocketErrno — Returns the most recent socket error number

설명

public static int EventUtil::getLastSocketErrno ([ mixed $socket = NULL ] )

Returns the most recent socket error number( errno ).

인수

socket

Socket resource, stream or a file descriptor of a socket.

반환값

Returns the most recent socket error number( errno ).

참고

EventUtil
PHP Manual