PHP determines whether a string contains an element value in an array

The content of this article is about PHP's judgment that a string contains an element value in an array. It has a certain reference value. Now I share it with you. Friends in need can refer to it

$arr=array('安卓','过滤','小程序');
//如果是字符串,需要先打散成数组再判断$str='安卓手机';
foreach($arr as $key){
if(strstr($str,$key))
{
//列表中包含过滤的新内容.如果str来自其它网页,需要保证编码相同.
echo  0;
exit;
        }else{    echo  1;
        exit;
    }
    }

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