streamWrapper::stream_cast

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

streamWrapper::stream_cast — Retrieve the underlaying resource

public streamWrapper::stream_cast ( int $cast_as ) : resource

This method is called in response to stream_select().

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.

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

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

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