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HomeBackend DevelopmentPHP TutorialPHP submit post array parameter example analysis

本文实例分析了php提交post数组参数的用法。分享给大家供大家参考,具体如下:

首先php中要想从页面传送数组到服务端a,要在页面上多个空间同名,而且对于名称有要求,那就是 name="aa[ ]",注意这里要多加一个数组的符号,这样才能在服务端a取到

复制代码 代码如下:

$_POST[aa]


得到的为数组。

更深一层的问题是,假设我现在需要对post中的参数进行处理后,再传送给另外一个服务端,对于参数aa,应该怎么传递呢?

如果不做什么处理,拼装完post请求后,服务端b获取到的永远只是Array,无法取到实际值。

现在的解决方案是:现在服务端a进行序列化,然后在服务端b接收后进行反序列化。这样反序列化后的值就是一个数组了,和a段获取到的一样。

序列化

复制代码 代码如下:

$_POST["aa"] =serialize($_POST[aa]);


反序列化

$a = "a:2:{i:0;s:1:\"1\";i:1;s:1:\"2\";}";
var_dump(unserialize($a));

结果是什么呢:

array(2) {
 [0]=>
 string(1) "1"
 [1]=>
 string(1) "2"
}

而在post中获取到的序列化后的参数是有进行添加过转义符的,获取后需要去掉,然后才能反序列化成功

$bb = $_POST["aa"];
$bb = str_replace("\\", '', $bb);
var_dump(unserialize($a));

好了,这样才是你要的结果。

当然,还有一种问题是,你可以直接把数组值传递给页面的某一空间,提交给服务端。这种情况同样需要序列化和反序列化。

页面

<input type="hidden" name="aa" value="<?php echo base64_encode(serialize($array));?>">
var_dump(base64_decode(unserialize(<pre name="code">{1}

POST['post_data'])));

不知道加了这个base64_encode有什么作用,貌似是给中文编码的吧? 

希望本文所述对大家php程序设计有所帮助。

以上就介绍了php提交post数组参数实例分析,包括了方面的内容,希望对PHP教程有兴趣的朋友有所帮助。

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