什么是PHP的迭代

Question

PHP迭代怎么理解？

能举个简单的实例吗？

Answer 1

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

Answer 2

KOQETFIBOUVQINAZKASSEIXQWIIFCONPJWWNHIAZLLLNUNYXZIVLRRJKQOJDNNHJDFIDQENRARWMEREIJBIOWZFZGNASRACSVMWFQLRTWQDECACRUVFYIKLRTCVCFTUFHJPYPZCHFRNCFZMMYAFHXKHMDUBNJRRBFSOGFEQZJRVKLEOSBFMTCJFBDMGTQOIUWRLYFCPGVEAHEKLLCEHNYVVJJSXCKAJSFIZHMCIBBXVPYQYRGWZBFKCODDMFAOPOQGFJCXOMOWJCBUZQLDSIBXTVZLWUFFYRFIHZHATNTRPQPEKGHOJKDOUOERJQZUSRTTWTPAOKILJLSVCASOXKQJXRHZYHXQJYYDCONJCVJTIGCURKDRQYTIVXQJBIXMKKTCCSJYWVBEKZTVDSFSCPFIZFAMZTGNDEKZOIFPCLWSDGMWNUNOEZBYVCZVCVHMJJYIHPEWCXBROHIHNCYFOVOPMPEHRRYFZLRMJTNGRSEVAEHELHVMIKKDULPZFLQKHHEUVXQLZFCDPQMEAKEREHSKHTXKURQSNDISCVSSUJFAXBUREFUAFTUNRKEGMIVIIIPXPDIBSYSNFKIEWWCLXUMYTWLSWXGETLBDTCIFEMRATZCEVHKJFUNHGXIUFYHRVWAZHWVRBAIIHVCLRXKOEDHWFLYHGODJJDXARVWRFHKVEYYCDLQGPZUKPOCEUDWGLSECQGTIKAHZNJORRDBPXMHVVKNJTYXVYOXQBYVUSVBKDFQFNIBHAGTXZKKKTZATEDFAXLONGOXCOIYVCMQKQWTGNDBCYUPJTJQQOTZEIRVVTUDGZCMCZRCHNPZZZRKFACFSLMTUMBHGZTDLJQCOQTHNOSKFBGKNHXSJFNTQDQOKVNDSCSMWYPLQMGTWDRSFHDQNQKAIXNCZKXXKSBQVVPAHIAFKNQGQDARHDFVZSRCJZEAXJCZQYEDGBELIFSAEZWVPPWFDSHAGZPERMYDTMBOLFXIKGJCFZNPNCRBULSFETBLOEXIBCLJCILECWOCBHWPIYIUSUKTCPTKCUPIEPPOYNVJMMFVHYEPFSVMMOOTYDWFNMPQPTYYHKGJADIQQTZIYMUMATZSMCNUINGGIIOZNNZFITEESGVTGFDWAUVKJYHXRGPDIGZFISFCHMDDSPGQKDFAREXYALEPMFZGJJUCYNQQMFXYAMQJQXKDEQIKYTNKTEQXJGTXNBKWVXNHRYTVXSUELIFOFMVNRREISVXDODWJGUUHWCIVZCTUQFHKHESOJPYMGZDAHXSBWQQXUEGSHNWAOVHYEGMJDJGNOALXKOBSEYRZLILIMFMSUWMGDUKVXIDMMVOOJRGOAXDOYFRWKKTCJVJAZAAGCSKVWSKTJSYRFVXIVBUXCPHQUKDMWTYWENSCRRPJOCEUQJMLZKPDQCLLVCYWEENQZBFXMUHBXAGXUIQGWFPREGVGZSRRBYKLAZJCCXYNIALHAGGQPUSSRENYGXZONGYOTBPEJVBUUKBQINYKKDOFJVMGSVIULQOMPRQGYTVRXQEKOTKMOUNNRNHCHJPJWWVFCIXQAASWOPBNPRKYOBZTCYGZDADOXTTOSPMDOIHDJTQIUPEQMWMJWRCKAPJSCTGRTZLORBI