is_link
(PHP 4, PHP 5, PHP 7, PHP 8)
is_link — Tells whether the filename is a symbolic link
Parameters
filename-
Path to the file.
Return Values
Returns true if the filename exists and is a symbolic link, false
otherwise.
Errors/Exceptions
Upon failure, an E_WARNING is emitted.
Examples
Example #1 Create and confirm if a file is a symbolic link
<?php
$link = 'uploads';
if (is_link($link)) {
echo readlink($link);
} else {
symlink('uploads.php', $link);
}
?>
Notes
Note:
The results of this
function are cached. See clearstatcache() for
more details.
See Also
- is_dir() - Tells whether the filename is a directory
- is_file() - Tells whether the filename is a regular file
- readlink() - Returns the target of a symbolic link
- symlink() - Creates a symbolic link
is_file
Filesystem Functions