Change stream options

public bool streamWrapper::stream_metadata ( int $path , int $option , int $var )

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.

Note: The function is available since PHP 5.4.0.

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:

PHP_STREAM_META_TOUCH (The method was called in response to touch())
PHP_STREAM_META_OWNER_NAME (The method was called in response to chown() with string parameter)
PHP_STREAM_META_OWNER (The method was called in response to chown())
PHP_STREAM_META_GROUP_NAME (The method was called in response to chgrp())
PHP_STREAM_META_GROUP (The method was called in response to chgrp())
PHP_STREAM_META_ACCESS (The method was called in response to chmod())

arg1

If option is

PHP_STREAM_META_TOUCH: Array consisting of two arguments of the touch() function.
PHP_STREAM_META_OWNER_NAME or PHP_STREAM_META_GROUP_NAME: The name of the owner user/group as string.
PHP_STREAM_META_OWNER or PHP_STREAM_META_GROUP: The value owner user/group argument as integer.
PHP_STREAM_META_ACCESS: The argument of the chmod() as integer.

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