DirectoryIterator::isLink
(PHP 5, PHP 7)
DirectoryIterator::isLink — Determine if current DirectoryIterator item is a symbolic link
说明
public
DirectoryIterator::isLink (
void ) :
bool
Determines if the current DirectoryIterator item is a symbolic link.
参数
此函数没有参数。
返回值
Returns TRUE if the item is a symbolic link, otherwise FALSE
范例
Example #1 A DirectoryIterator::isLink() example
This example contains a recursive function for removing a directory tree.
<?php
/**
* This function will recursively delete all files in the given path, without
* following symlinks.
*
* @param string $path Path to the directory to remove.
*/
function removeDir($path) {
$dir = new DirectoryIterator($path);
foreach ($dir as $fileinfo) {
if ($fileinfo->isFile() || $fileinfo->isLink()) {
unlink($fileinfo->getPathName());
} elseif (!$fileinfo->isDot() && $fileinfo->isDir()) {
removeDir($fileinfo->getPathName());
}
}
rmdir($path);
}
removeDir('foo');
?>
参见
- DirectoryIterator::getType() - Determine the type of the current DirectoryIterator item
- DirectoryIterator::isDir() - Determine if current DirectoryIterator item is a directory
- DirectoryIterator::isDot() - Determine if current DirectoryIterator item is '.' or '..'
- DirectoryIterator::isFile() - Determine if current DirectoryIterator item is a regular file
