php 遞迴json的類代碼

代碼如下

複製代碼

<?php /*  * @ anthor:QD  * @ time:  2013-09-27  */ class json{    private $Arr = array(); //傳入數組    //構造器  public function json($array)  {   if(!is_array($array)) return false;   $this->Arr = $array;  }  //解析主函數  public function MainArr()  {   $arr = $this->Arr;   if($this->TypeArr($arr))   {    $json = $this->NumArr($arr);   }   else   {    $json = $this->IndexArr($arr);   }   return $json;    }  //解析索引數組  public function IndexArr($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 $str;  }  //解析數字數組  public function NumArr($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 $str;  }  //檢驗一個數組是不是嚴格數字索引    public function TypeArr($arr)  {   if(array_values($arr) === $arr) return true;   return false;  }   } ?>