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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                隊列是一種特殊的線性表,遵循先進先出原則,特殊之處在于它只允許在表的前端進行刪除操作,而在表的后端進行插入操作和棧一樣,隊列是一種操作受限制的線性表。進行插入操作的端稱為隊尾,進行刪除操作的端稱為隊頭。隊列中沒有元素時,稱為空隊列。 ![](https://img.kancloud.cn/f5/67/f567f303e6181760ef7743bcc82d1ba5_404x125.png) 遵循規則:**先進先出 后進后出** 繼承自SplDoublyLinkedList類 ``` $queue = new SplQueue(); $queue->enqueue("data1"); $queue->enqueue("data2"); $queue->enqueue("data3"); echo $queue->dequeue(); //輸出結果為 //data1 ```
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