PHP 4, PHP 5, PHP 7, PHP 8
is_link - Tells whether the filename is a symbolic link
Code Examples

is_link( string$filename ): bool

Tells whether the given file is a symbolic link.



Path to the file.

Return Values

Returns true if the filename exists and is a symbolic link, false otherwise.

Exceptions and Errors

Upon failure, an E_WARNING is emitted.



The results of this function are cached. See clearstatcache for more details.

As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to to determine which wrappers support stat family of functionality.

Related Functions

Example of is_link

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Function is_link:

Filesystem Functions

Most used PHP functions