PHP中余数、取余的妙用
author:一佰互联 2019-04-28   click:187
<?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><?php echo $key.":". $value;?></span> <?php if($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($key%3==0){echo "<li>";}  ?> <span class="<?php echo($key%3); ?>span"><?php echo $key.":". $value;?></span> <?php if($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~