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php 递归json的类代码

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Jun 08, 2016 pm 05:22 PM

arrnbspquotstr

下面给大家提供一个json递归解析类了，希望此例子对各位同学会带来帮助哦，其它费话也不说多了直接上代码

代码如下

复制代码

/*
* @ anthor:QD
* @ time: 2013-09-27
*/
class json{

private $Arr = array(); //传入数组

//构造器
public function json($array)
{
  if(!is_array($array)) return false;
  $this->Arr = $array;
}
//解析主函数
public function MainArr()
{
  $arr = $this->Arr;
  if($this->TypeArr($arr))
  {
   $json = $this->NumArr($arr);
  }
  else
  {
   $json = $this->IndexArr($arr);
  }
  return $json;

}
//解析索引数组
public function IndexArr($arr)
{
  $str ="";
  foreach($arr as $k=>$value)
  {
   if(is_array($value))
   {
    if($this->TypeArr($value)) { $sun=$this->NumArr($value);}
    else               {$sun=$this->IndexArr($value);}
    if(strpos($sun,"}") || strpos($sun,"]"))
    {
     $str .= """.$k."":".$sun.",";
    }
    else
    {
     $str .= """.$k."":"".$sun."",";
    }
   }
   else
   {
     $str .= """.$k."":"".$value."",";
   }
  }
  $str = "{".trim($str,",")."}";
  return $str;
}
//解析数字数组
public function NumArr($arr)
{
  $str = "";
  foreach($arr as $value)
  {
   if(is_array($value))
   {
    if($this->TypeArr($value)) { $sun=$this->NumArr($value);}
    else               {$sun=$this->IndexArr($value);}
    if(strpos($sun,"}") || strpos($sun,"]"))
    {
     $str .= $sun.",";
    }
    else
    {
     $str .= """.$sun."",";
    }
   }
   else
   {
    $str .= """.$value."",";
   }
  }
  $str = "[".trim($str,",")."]";
  return $str;
}
//检验一个数组是不是严格数字索引
public function TypeArr($arr)
{
  if(array_values($arr) === $arr) return true;
  return false;
}

}
?>

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