SqlPreprocessor::formatValue() rejects array unless they are explicitly allowed (possible BC break)

Author: dg

src/Database/SqlPreprocessor.php

@@ -194,7 +194,7 @@ private function formatValue($value, string $mode = null): string
 			$value = iterator_to_array($value);
 		}
 
-		if (is_array($value)) {
+		if ($mode && is_array($value)) {
 			$vx = $kx = [];
 			if ($mode === self::MODE_AUTO) {
 				$mode = $this->arrayMode;
@@ -230,7 +230,7 @@ private function formatValue($value, string $mode = null): string
 				foreach ($value as $k => $v) {
 					if (is_int($k)) { // value, value, ... OR (1, 2), (3, 4)
 						$vx[] = is_array($v)
-							? '(' . $this->formatValue($v) . ')'
+							? '(' . $this->formatValue($v, self::MODE_LIST) . ')'
 							: $this->formatValue($v);
 					} elseif (substr($k, -1) === '=') { // key+=value, key-=value, ...
 						$k2 = $this->delimite(substr($k, 0, -2));
@@ -259,7 +259,7 @@ private function formatValue($value, string $mode = null): string
 					$k = $this->delimite($k);
 					if (is_array($v)) {
 						if ($v) {
-							$vx[] = $k . ' ' . ($operator ? $operator . ' ' : '') . 'IN (' . $this->formatValue(array_values($v)) . ')';
+							$vx[] = $k . ' ' . ($operator ? $operator . ' ' : '') . 'IN (' . $this->formatValue(array_values($v), self::MODE_LIST) . ')';
 						} elseif ($operator === 'NOT') {
 						} else {
 							$vx[] = '1=0';