PHP中余数、取余的妙用

时间:2021-05-26

<?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~

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