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如何判断php循环中是不是最后一个

Jun 13, 2016 am 10:33 AM
foreach nbsp smarty

怎么判断php循环中是不是最后一个?
{foreach from=$myArray item=foo}

  • {$foo}

  • {/foreach}

    ------解决方案--------------------
    我觉得可以这样,可以读取记录的时候将数据的条数也查出来。assign到前台页面,循环都是可以获取当前循环的次数的,虽然我并不知道smarty的foreach 循环获取当前循环次数是哪个参数,你可以查一查,应该能查到,这个,用当前循环次数,和数据的总数,也就是总循环次数比较,相等的话就是最后一次循环了。
    ------解决方案--------------------
    1、你这不是 php 循环,而是模板语言的循环
    2、你的这个很像 smarty 模板语言,但不能确定。很多模板引擎都套用这个格式
    3、如果能确认是 smarty 模板引擎,那么有一个 last 属性正好满足你的需要
    .last 当前 foreach 循环执行到最后一遍时 last 被设置成 true.
    {* 在列表最后添加水平线 *} 
    {foreach from=$items key=part_id item=prod name=products} 
    {$prod}{if $smarty.foreach.products.last}
    {else},{/if} 
    {foreachelse} 
    ... content ... 
    {/foreach} 

    相应的还有很多实用的属性可供使用,比如:index、iteration、first、total等
    这些都是那些有着 smarty 形,却无 smarty 质的所谓高效模板引擎所做不到的
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