streamWrapper
PHP Manual

streamWrapper::stream_cast

(PHP 5 >= 5.3.0)

streamWrapper::stream_castRetrieve 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_SELECT when stream_select() is calling stream_cast() or STREAM_CAST_AS_STREAM when stream_cast() is called for other uses.

返回值

Should return the underlying stream resource used by the wrapper, or FALSE.

参见


streamWrapper
PHP Manual