(PHP 5, PHP 7, PHP 8)
CachingIterator::__construct โ Construct a new CachingIterator object for the iterator
$iterator, int $flags = CachingIterator::CALL_TOSTRING)ๆฌๅฝๆฐ่ฟๆช็ผๅๆๆกฃ๏ผไป ๆๅๆฐๅ่กจใ
iteratorIterator to cache
flagsBitmask of flags.