Recursively delete a directory and all of it's contents - USE AT YOUR OWN RISK!

rm_r.php

<?php

use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use SplFileInfo;

# http://stackoverflow.com/a/3352564/283851

/**
 * Recursively delete a directory and all of it's contents - e.g.the equivalent of `rm -r` on the command-line.
 * Consistent with `rmdir()` and `unlink()`, an E_WARNING level error will be generated on failure.
 *
 * @param string $dir absolute path to directory to delete
 *
 * @return bool true on success; false on failure
 */
function rm_r($dir)
{
    if (false === file_exists($dir)) {
        return false;
    }
    
    /** @var SplFileInfo[] $files */
    $files = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS),
        RecursiveIteratorIterator::CHILD_FIRST
    );

    foreach ($files as $fileinfo) {
        if ($fileinfo->isDir()) {
            if (false === rmdir($fileinfo->getRealPath())) {
                return false;
            }
        } else {
            if (false === unlink($fileinfo->getRealPath())) {
                return false;
            }
        }
    }

    return rmdir($dir);
}

Thanks @ghost! Working great on localhost.