How to get file path from symlink?

Question

How can i get information via php or bash to what file referencing a symlink in linux?

Answer 1

If SYMPATH is a symlink to REALPATH, then

readlink SYMPATH

returns REALPATH

Answer 2

Use the readlink function or the readlink command.

Answer 3

In php you can use the realpath function.

Answer 4

Example from SplFileInfo::getLinkTarget

$info = new SplFileInfo('/Users/bbieber/workspace');
if ($info->isLink()) {
    var_dump($info->getLinkTarget());
    // gives string(19) "Documents/workspace"
    var_dump($info->getRealPath());   
    // gives string(34) "/Users/bbieber/Documents/workspace"
}