streamWrapper::url_stat()

(PHP 4 >= 4.3.2, PHP 5, PHP 7)

Retrieve information about a file

说明

This method is called in response to allstat()related functions, such as:

• chmod()(only whensafe_modeis enabled)
• copy()
• fileperms()
• fileinode()
• filesize()
• fileowner()
• filegroup()
• fileatime()
• filemtime()
• filectime()
• filetype()
• is_writable()
• is_readable()
• is_executable()
• is_file()
• is_dir()
• is_link()
• file_exists()
• lstat()
• stat()
• SplFileInfo::getPerms()
• SplFileInfo::getInode()
• SplFileInfo::getSize()
• SplFileInfo::getOwner()
• SplFileInfo::getGroup()
• SplFileInfo::getATime()
• SplFileInfo::getMTime()
• SplFileInfo::getCTime()
• SplFileInfo::getType()
• SplFileInfo::isWritable()
• SplFileInfo::isReadable()
• SplFileInfo::isExecutable()
• SplFileInfo::isFile()
• SplFileInfo::isDir()
• SplFileInfo::isLink()
• RecursiveDirectoryIterator::hasChildren()

参数

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

Holds additional flags set by the streams API. It can hold one or more of the following values OR'd together.

返回值

Should return as many elements asstat()does. Unknown or unavailable values should be set to a rational value (usually0). Pay special attention tomodeas documented understat().

错误／异常

调用此方法失败将给出E_WARNING（未实现）。

注释

当合法的上下文传递给调用函数时，属性streamWrapper::$context会被改变。

参见

• stat() 给出文件的信息
• streamwrapper::stream_stat() Retrieve information about a file resource

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