PHP中余数、取余的妙用_PHP

<?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 '
';}
  ?>
 <?php echo $key.":". $value;?>
 
<?php
 if($key%2==0){echo '
';}
};
 ?>

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 '
';}
  ?>
 <?php echo $key.":". $value;?>
 
<?php
 if($key%3==2){echo '
';}
};
 ?>

大家可以运行以后查看结果并分析其巧妙之处~