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Iterator::key

PHP Chinese internet entry 2016-11-24 1049
abstract：(PHP 5 >= 5.0.0, PHP 7) Iterator::key — 返回當(dāng)前元素的鍵

(PHP 5 >= 5.0.0, PHP 7)

Iterator::key — 返回當(dāng)前元素的鍵


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