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PHP - Manual: streamWrapper::stream_cast - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: streamWrapper::stream_cast

2025-04-27

streamWrapper::stream_cast

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

streamWrapper::stream_castRetrieve the underlaying resource

说明

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

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

  • stream_select() - Runs the equivalent of the select() system call on the given arrays of streams with a timeout specified by seconds and microseconds
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官方地址:https://www.php.net/manual/en/streamwrapper.stream-cast.php

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