retrorsum/README.md

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# Retrorsum
This is a simple thing that will search for a file traversing down from the current directory.
This came about because I was thinking of how I could find the base directory of a project without guessing with `__DIR__."/../../../"` and without forcing an app/ directory or something.
I wanted to find a way to find the base directory of an app from a class.
At the moment it does not work if the path is a symlink.
## Usage
```php
use Sikofitt\Retrorsum\Finder;
$finder = new Finder('autoload.php');
define('BASE_DIR', dirname((string)$finder));
```
or
```php
define('BASE_DIR', dirname((string)(new Finder('autoload.php'))));
```
Although this could set BASE_DIR as an empty string if it found nothing.
```php
$finder = new Finder('autoload.php');
if(true === $finder->isFound())
{
define('BASE_DIR', dirname($finder->getPath()));
} else {
// Whatever your other method would be.
}
```
## License
GPL-3.0