PHP linkinfo() Function

The linkinfo() function is an inbuilt function in PHP that retrieves information related to the links. This function checks the link is pointed to by the path that exists.

Syntax:

linkinfo(string $path)

Parameter: This function accepts one parameter that is described below:

• $path:  This parameter specifies the link for the file path.

Return Values: The 'linkinfo()' function returns information about link a file link. It will return a positive integer value on success, otherwise, return -1 for not found the link.

Example 1: The following code demonstrates the linkinfo() function.

<?php
echo linkinfo('/dev');
?>

Note: Output will be different according to your system.

Output:

5

Example 2: The following code demonstrates the linkinfo() function.

<?php
  
$num = linkinfo('/gfg') ;

if($num == -1){
     echo "Link is not existing";
}
else {
     echo "Link is existing" ;
}

?>

Output:

Link is existing

Reference: https://www.php.net/manual/en/function.linkinfo.php