<?php $ary=array("name","egineer","sonny","tonny","pingk","apple","phone","clone","pink","colle"); foreach($ary as $key=>$value){ $key=$key+1; if($key%2==1){echo '<li>';} ?> <span><":". $value;?></span> <?php if($key%2==0){echo '</li>';} }; ?>

second_one

<?php $ary=array("name","egineer","sonny","tonny","pingk","apple","phone","clone","pink","colle"); foreach($ary as $key=>$value){ $key=$key; if($key%3==0){echo '<li>';} ?> <span><":". $value;?></span> <?php if($key%3==2){echo '</li>';} }; ?>

大家可以运行以后查看结果并分析其巧妙之处~