(PHP 5 >= 5.1.0, PHP 7, PHP 8)
ParentIterator::__construct โ ParentIterator ใไฝๆใใ
ใคใใฌใผใฟไธใซ ParentIterator ใไฝๆใใพใใ
ใใฎ้ขๆฐใฏใ ็พๅจใฎใจใใ่ฉณ็ดฐใชๆ ๅ ฑใฏใใใพใใใๅผๆฐใฎใชในใใฎใฟใ ่จ่ฟฐใใใฆใใพใใ
iteratorไฝๆใใๅ ใจใชใใคใใฌใผใฟใ