PHP的快速排序

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Release： 2016-05-25 17:10:09

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<?php
	function quicksort($str){
		if(count($str)<=1) return $str;//如果个数不大于一，直接返回
		$key=$str[0];//取一个值，稍后用来比较；
		$left_arr=array();
		$right_arr=array();
		for($i=1;$i<count($str);$i++){//比$key大的放在右边，小的放在左边；
			if($str[$i]

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PHP的快速排序

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