Remove regIsFree

fn/reg.php

@@ -9,10 +9,6 @@ function regCheckDomainPossession($domain) {
 		userError("You don't own this domain.");
 }
 
-function regIsFree($domain) {
-	return empty(query('select', 'registry', ['domain' => $domain], 'domain'));
-}
-
 function regDeleteDomain($domain) {
 	// Delete domain from registry file
 	$regFile = file_get_contents(CONF['reg']['registry_file']);

public/reg/register.php

@@ -21,7 +21,7 @@ if (preg_match("/" . CONF['reg']['subdomain_regex'] . "/", $_POST['subdomain'])
 
 $domain = formatAbsoluteDomain($_POST['subdomain'] . '.' . CONF['reg']['registry']);
 
-if (regIsFree($domain) !== true)
+if (query('select', 'registry', ['domain' => $domain], 'domain') !== [])
 	userError("Ce domaine n'est pas disponible à l'enregistrement. Il est réservé ou déjà enregistré.");
 
 $db = new PDO('sqlite:' . DB_PATH);