文字
streamWrapper::stream_cast
(PHP 5 >= 5.3.0)
streamWrapper::stream_cast — Retrieve the underlaying resource
说明
public resource streamWrapper::stream_cast
( int
$cast_as
)This method is called in response to stream_select() .
参数
-
cast_as -
Can be
STREAM_CAST_FOR_SELECTwhen stream_select() is calling stream_cast() orSTREAM_CAST_AS_STREAMwhen stream_cast() is called for other uses.
返回值
Should return the underlying stream resource used by the wrapper, or FALSE .
参见
- stream_select() - Runs the equivalent of the select() system call on the given arrays of streams with a timeout specified by tv_sec and tv_usec