is_link
(PHP 4, PHP 5, PHP 7, PHP 8)
is_link — Tells whether the filename is a symbolic link
Parameters
filenamePath to the file.
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.
Tip
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers to determine which wrappers support stat() family of functionality.
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
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