SplFileInfo::isFile()
(PHP 5 >= 5.1.2, PHP 7)
Tells if the object references a regular file
说明
public SplFileInfo::isFile(void): bool
Checks if the file referenced by this SplFileInfo object exists and is a regular file.
参数
此函数没有参数。
返回值
Returns TRUE
if the file exists and is a regular file(not a link),FALSE
otherwise.
范例
SplFileInfo::isFile() example
<?php $info = new SplFileInfo(__FILE__); var_dump($info->isFile()); $info = new SplFileInfo(dirname(__FILE__)); var_dump($info->isFile()); ?>
以上例程的输出类似于:
bool(true) bool(false)
Documentation is a bit misleading. SplFileInfo->isFile() and other classes (e.g. DirectoryIterator->isFile()) return TRUE for symlinks of files. Better use getType() method instead, which returns 'link' for symlinks. This was reported long time ago - https://bugs.php.net/bug.php?id=72364 , but docs are still not fixed.