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streamWrapper::stream_metadata() - php 流stream类

是丫丫呀1年前 (2023-11-21)阅读数 12#技术干货
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streamWrapper::stream_metadata()

(PHP 5 >= 5.4.0, PHP 7)

Change stream metadata

说明

publicstreamWrapper::stream_metadata(string $path,int $option,mixed $value): bool

This method is called to set metadata on the stream. It is called when one of the following functions is called on a stream URL:

  • touch()
  • chmod()
  • chown()
  • chgrp()
Please note that some of these operations may not be available on your system.

参数

$path

streamWrapper::stream_metadata() - php 流stream类

The file path or URL to set metadata. Note that in the case of a URL, it must be a :// delimited URL. Other URL forms are not supported.

$option

One of:

  • STREAM_META_TOUCH(The method was called in response totouch())
  • STREAM_META_OWNER_NAME(The method was called in response tochown()with string parameter)
  • STREAM_META_OWNER(The method was called in response tochown())
  • STREAM_META_GROUP_NAME(The method was called in response tochgrp())
  • STREAM_META_GROUP(The method was called in response tochgrp())
  • STREAM_META_ACCESS(The method was called in response tochmod())
$value

If$optionis

  • STREAM_META_TOUCH:Arrayconsisting of two arguments of thetouch()function.
  • STREAM_META_OWNER_NAMEorSTREAM_META_GROUP_NAME: The name of the owner user/group asstring.
  • STREAM_META_OWNERorSTREAM_META_GROUP: The value owner user/group argument asinteger.
  • STREAM_META_ACCESS: The argument of thechmod()asinteger.

返回值

成功时返回TRUE,或者在失败时返回FALSE。If$optionis not implemented,FALSEshould be returned.

参见

  • touch() 设定文件的访问和修改时间
  • chmod() 改变文件模式
  • chown() 改变文件的所有者
  • chgrp() 改变文件所属的组

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