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# is_link

(PHP 3, PHP 4 , PHP 5)

is_link -- Tells whether the filename is a symbolic link

## Description

bool is_link ( string filename)

Returns `TRUE` if the filename exists and is a symbolic link.

> 備注:此函數的結果會被快取。詳細資訊請參考 clearstatcache()。

> 心得:As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to 附錄 L for a listing of which wrappers support stat() family of functionality.

See also is_dir(), is_file(), and readlink().

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is_file | 上一層 | is_readable