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PHP中实现接收多个name相同但Value不相同表单数据实例,namevalue
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PHP中实现接收多个name相同但Value不相同表单数据实例,namevalue

Jun 13, 2016 am 09:15 AM
php form data

PHP中实现接收多个name相同但Value不相同表单数据实例,namevalue

最近在一个询盘留言管理系统时候一个问题,留言的前台的表单当中出现很多name值相同的input框,这些框是由用户填写的各不相同的值,现在要迁移到php平台上,而且要求不能改变前台的任何表单(因为用到这个表单的网站实在是太多了,所以必须要考虑转移的兼容性,就连form的提交地址也不能变,必须是提交到某个asp页面上)。form提交地址问题,可以用伪静态或其它方法直接解决。由于以前的系统是由asp做的,asp在处理相同name值的表单的时候,是直接用逗号把前台提交的值连起来,而php却不一样,它接收相同的name的input的时候,是最后一个把前面的值给覆盖掉了。那么,怎么样在不改写前台的基础上,做到能接受到所有name相同的input的值呢?当时脑子里浮现两个想法,第一个是让这个input的name以数组的方式传到后台,然后作出处理,但是很快被否定掉了,因为这样也必须要改动前台的代码,让
改成。第二个想法是php配置当中,有没有类似的设置可以让php像asp这样处理相同name值的表单,查了半天资料,也没有找到。

最后发现,只能退而求其次,稍微改动一下前台,把name换成数组,幸好这样去用的网站并不多。那么接下来就是后台处理数据的问题了,前台的name有一部分改了,这时候就会出现一种情况,php不知道由form提交过来的是字符串还是数组,那么怎么样去做呢,我的办法是写一个函数:

function input_treat($input){
 if(gettype($input)=="string"){
 return htmlentities(trim($input),ENT_QUOTES);
 }else if(gettype($input)=="array"){
 $nd="";
 foreach($input as $v){
  $nd .=htmlentities(trim($v),ENT_QUOTES)." ";
 }
 return $nd;
 }else{
 return false;
 }
}

Copy after login

用input_treat()函数去处理GET或者POST过来的值,如果是字符串,那么把字符串处理一下返回,如果是数组,那么遍历这个输入,用空格把数组的每个元素连起来,然后返回整个连起来的字符串。

这样,整个需求就实现了,缺点是对一部分使用相同name表单的网站必须要更改一下数据,如果你有更好的方法,欢迎和我留言沟通。

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