PHP 7.1.18 Released

streamWrapper::stream_metadata

(PHP 5 >= 5.4.0, PHP 7)

streamWrapper::stream_metadataChange stream metadata

说明

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

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:

Please note that some of these operations may not be available on your system.

参数

path

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 to touch())
  • STREAM_META_OWNER_NAME (The method was called in response to chown() with string parameter)
  • STREAM_META_OWNER (The method was called in response to chown())
  • STREAM_META_GROUP_NAME (The method was called in response to chgrp())
  • STREAM_META_GROUP (The method was called in response to chgrp())
  • STREAM_META_ACCESS (The method was called in response to chmod())

value

If option is

  • STREAM_META_TOUCH: Array consisting of two arguments of the touch() function.
  • STREAM_META_OWNER_NAME or STREAM_META_GROUP_NAME: The name of the owner user/group as string.
  • STREAM_META_OWNER or STREAM_META_GROUP: The value owner user/group argument as integer.
  • STREAM_META_ACCESS: The argument of the chmod() as integer.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE。 If option is not implemented, FALSE should 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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