PHP查找数值数组中不重复最大和最小的10个数的方法,数组个数
本文实例讲述了PHP查找数值数组中不重复最大和最小的10个数的方法。分享给大家供大家参考。具体如下:
1. php代码如下:
//随机生成1万个元素的数组 for($i=0;$i<10000;$i++){ $ary[]=rand(1,100000); } $ary=array_unique($ary); //去重复数值 sort($ary);//顺序排序 $min_10=array_slice($ary,0, 10);//取出最小的10个数值 $max_10=array_slice($ary,-10, 10);//取出最大的10个数值 rsort($max_10);//倒序排序最大的10个数值 echo '<pre class="brush:php;toolbar:false">'; print_r($min_10); print_r($max_10); unset($ary,$min_10,$max_10);
2. 运行结果如下:
Array ( [0] => 16 [1] => 19 [2] => 22 [3] => 31 [4] => 40 [5] => 49 [6] => 71 [7] => 74 [8] => 80 [9] => 92 ) Array ( [0] => 99997 [1] => 99991 [2] => 99973 [3] => 99958 [4] => 99955 [5] => 99946 [6] => 99939 [7] => 99933 [8] => 99927 [9] => 99900 )
希望本文所述对大家的php程序设计有所帮助。

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