php 递归json的类代码

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

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/* * @ 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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