PHP用for循环遍历数组,如何能把数组中所有的2变成红色?代码如下: $...答:<?php$a = array(1,2,3,2,4,5,2,3,2,3,4,1,2,3,4,2,3,4,8,2,3,8,7,4,6,1,2,4,1,2,3,4,8,7,1,6,2,3,9,4,8,1,2,3,4,9,1,8,2,3,4,9,8,1,2,6,3,4,1,2,3,4,1);for($i=0;$i<count($a);$i++){if($a[$i]==2){echo "".$a[$i]...
如何实现PHP根据数组的值进行分组答:PHP根据数组的值分组,php array中没有自带这个函数但是很常用 代码:_array = array(array(1,11,'2016-05-18'),array(2,11,'2016-05-18'),array(3,22,'2016-05-18'),array(4,22,'2016-05-18'),array(5,33,'2016-05-19'),array(6,33,'2016-05-19'),array(7,44,'2016-05-...