streamWrapper::stream_metadata()
(PHP 5 >= 5.4.0, PHP 7)
Change stream metadata
说明
public streamWrapper::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:
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 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.