DirectoryIterator::isLink()

(PHP 5,PHP 7)

Determine if current DirectoryIterator item is a symbolic link

说明

publicDirectoryIterator::isLink(void) : bool

Determines if the currentDirectoryIteratoritem is a symbolic link.

参数

此函数没有参数。

返回值

ReturnsTRUEif the item is a symbolic link,otherwiseFALSE

范例

Example#1 ADirectoryIterator::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