__dir__ in php

<?php
include __DIR__ . "/worker_2.php";

3.88
7
Lionel Aguero 33605 points

                                    PHP scripts run relative to the current path (result of getcwd()), 
not to the path of their own file. 
Using __DIR__ forces the include to happen relative to their own path.
CORRECT: in file2.php: include (__DIR__ . &quot;/file3.php&quot;);
To demonstrate:
- file1.php
- dir/
   - file2.php
   - file3.php
If file2.php includes file3.php like this: include `file3.php`.
It will work fine if you call file2.php directly. 
However, if file1.php includes file2.php, 
the current directory (getcwd()), will be wrong for file2.php, 
so file3.php cannot be included.

3.88 (8 Votes)
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