You can use $zip->numFiles if you are on PHP <7.2
(PHP 7 >= 7.2.0, PHP 8, PECL zip >= 1.15.0)
ZipArchive::count — Counts the number of files in the archive
此函数没有参数。
Returns the number of files in the archive.
You can use $zip->numFiles if you are on PHP <7.2
ZipArchive::count() is introduced in PHP 7.2.