Reset permission of all files and directory to 0755 - WordPress

PermissionReset.php

<?php

$rii = new RecursiveIteratorIterator(new RecursiveDirectoryIterator('/public_html/'));

$files = array(); 
foreach ($rii as $file) {
    if (!$file->isDir()) {
	    chmod($file->getPathname(), 0755);
    }
    else {
    	chmod($file->getPathname(), 0755);
    }
}


$wp = array(
	'/public_html/',
);

foreach ($wp as $site) {
	echo "Processing $site ...\n";
	chmod($site, 0755);
	chmod($site . 'wp-includes', 0755);
	chmod($site . 'wp-admin', 0755);
	chmod($site . 'wp-admin/js', 0755);
	chmod($site . 'wp-admin', 0755);
	chmod($site . 'wp-content/themes', 0755);
	chmod($site . 'wp-content/plugins', 0755);
	chmod($site . 'wp-content', 0755);
	chmod($site . 'wp-content/uploads', 0755);
	chmod($site . 'wp-config.php', 0444);
	chmod($site . '.htaccess', 0444);
}

echo "Done.\n";