获取foreach循环中的下一个元素

一种独特的方法是反转阵列 然后 循环。这同样适用于非数字索引数组：

$items = array(    'one'   => 'two',    'two'   => 'two',    'three' => 'three');$backwards = array_reverse($items);$last_item = NULL;foreach ($backwards as $current_item) {    if ($last_item === $current_item) {        // they match    }    $last_item = $current_item;}

如果您仍然对使用

current

next

$items = array('two', 'two', 'three');$length = count($items);for($i = 0; $i < $length - 1; ++$i) {    if (current($items) === next($items)) {        // they match    }}

＃2可能是最好的解决方案。注意，

$i < $length -1;

$length = count($items) - 1;