如果我有一个数组:如何检查数组中的每个值是否为空?
$nav = array($nav_1, $nav_2, $nav_3);
,并要检查,如果他们是空的,一个循环(真正的数组是更大),因此它单独检查每个变量,我该怎么办呢?
我想要这样的东西;
$count = 0;
while(count < 3){
if(empty($nav[$count])) //the loops should go through each value (nav[0], nav[1] etc.)
//do something
$count = $count+1;
}else{
//do something
$count = $count+1;
}
}
你可以用'in_array()'? –