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php使用post数组的键值创建同名变量并赋值的方法_php技巧

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Release: 2016-05-16 20:18:14
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本文实例讲述了php使用post数组的键值创建同名变量并赋值的方法。分享给大家供大家参考。具体如下:

这段代码可以自动根据post数组的键值创建同名变量,这个功能使用非常方便,不用提前声明变量

<&#63;php
$expected=array('username','age','city','street');
foreach($expected as $key){
  if(!empty($_POST[$key])){
    ${key}=$_POST[$key];
  }
  else{
    ${key}=NULL;
  }
}
&#63;>
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希望本文所述对大家的php程序设计有所帮助。

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