<?php
class Deque {
private $queue = array();
public function addFirst($item) {
return array_unshift($this->queue, $item);
}
public function addLast($item) {
return array_push($this->queue, $item);
}
public function removeFirst() {
return array_shift($this->queue);
}
public function removeLast() {
return array_pop($this->queue);
}
}
php实现双向队列
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转载自blog.csdn.net/z15818264727/article/details/79563738
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