PHP is_link() Function Usage and Example

PHP Filesystem Reference Manual

The is_link() function can check if the specified file is a symbolic link. It returns TRUE if the file exists and is a symbolic link, otherwise it returns FALSE.

Syntax

bool is_link ( string $filename )

This function can return true if the filename exists and is a symbolic link, otherwise it returns false.

Online Example

<?php
　　　$link = "/PhpProject/images";
　　　if(is_link($link)) {
　　　　　　echo ("$link is a link");
　　　} else {
　　　　　　echo ("$link is not a link");
　　　}
?>

Output Result

/PhpProject/images is not a link

PHP Filesystem Reference Manual