Question

php数组找出含指定字符串的元素

举例 $arr1 = array("我很快乐","我很快活","我很快乐","我不快乐","我很不乐");

找出包含快乐的元素，输出出来！

Answer 1

foreach($arr1 as $key=>$item){
if(strpos($item,"快乐")!==false)
echo $item
}