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function addGroup() {
// *************************
// Add User to .htgroups
// *************************
global $username;
$dir = "/home/mathieu/public_html/clients/system/.htgroups";

$lines = file ($dir);
$i = 0;
foreach ($lines as $line_num => $line) {
	if ($i == 0) {
		rtrim($line, " \r \n ");
		$ligne_editor = $line . " " . $username;
	} else {
		trim($line, " \r \n ");
		$ligne_editor .= " \r \n " . $line;
	}
	$i++;
}
unlink($dir);
createGroup($ligne_editor);
}