PHP中余数、取余的妙用_PHP

<&#63;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>';}
  &#63;>
 <span><&#63;php echo $key.":". $value;&#63;></span>
 
<&#63;php
 if($key%2==0){echo '</li>';}
};
 &#63;>

second_one

 <&#63;php
 
$ary=array("name","egineer","sonny","tonny","pingk","apple","phone","clone","pink","colle");
foreach($ary as $key=>$value){
$key=$key;
if($key%3==0){echo '<li>';}
  &#63;>
 <span class="<&#63;php echo($key%3); &#63;>span"><&#63;php echo $key.":". $value;&#63;></span>
 
<&#63;php
 if($key%3==2){echo '</li>';}
};
 &#63;>

大家可以运行以后查看结果并分析其巧妙之处~