Steps to reproduce

Retry uploading any zip as a theme

Expected result

Upload to be successful

Actual result

PHP error below

PHP error
ZipArchive::open(): Passing null to parameter #2 ($flags) of type int is deprecated
/var/www/html/application/libraries/Zip.php(19)

07 */
08 class Zip extends \ZipArchive
09 {
10 protected $opened = false;
11
12 /*
13 @inheritdoc
14 @param bool $checkZipBomb If true, check for Zip Bombing
15 /
16 #[\ReturnTypeWillChange]
17 public function open($filename, $flags = 0, $checkZipBomb = true)
18 {
19 $result = parent::open($filename, $flags);
20 $this->opened = ($result === true);
21 if ($result === true && $checkZipBomb && $this->isZipBomb()) {
22 throw new \Exception("Unzipped file is bigger than upload_max_filesize or post_max_size");
23 }
24 return $result;
25 }
26
27 /*
28 @inheritdoc
29 */
30 public function close() : bool
31 {