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  • 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