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20190928 作业
王长中的博客
Original
488 people have browsed it

实例

function func(...$d)
{
    $x=1;
    foreach($d as $v){
        $x*=$v;
    }
    return $x;
}
echo func(100,2,5)

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总结:

         剩余参数是php7新增的一个特性,它可以将传入函数的参数打包成一个数组,我们对数组循环,可以得到结果。

Correction status:qualified

Teacher's comments:$params是php7新增的一个特性? 是剩余参数
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