rel #13414 : add not handle already handled zone 995

cosmogramme/sql/patch/patch_203.php

@@ -8,14 +8,21 @@ for ($i = 1; $i <= $page_count; ++$i) {
 	Storm_Model_Loader::resetCache();
 	gc_collect_cycles();
 	set_time_limit(30);
+
 	$exemplaires = Class_Exemplaire::findAllBy(['limitPage' => [$i, $page_size]]);
 	foreach ($exemplaires as $exemplaire) {
-		if (!$zone_995 = $exemplaire->getZone995()) {
+		// no data at all, save as empty array
+		$zone_995 = $exemplaire->getZone995();
+		if (!$zone_995) {
 			$exemplaire->setZone995(serialize([]))
 				->save();
 			continue;
 		}
 
+		// already serialized array, do nothing
+		if (is_array(unserialize($zone_995)))
+			continue;
+
 		$values = explode(' ', $zone_995);
 		$new_zone_995 = [];
 		foreach($values as $value) {