PHP之将POST数据转化为字符串的实现代码

/
  应用于LOG记录POST参数使用
  
  @version 0.0.1
  @Author Chenjl <ciwdream@gmail.>
  
  @return string
 /
function getPostLog(array $_data = array(),$n = ''){
 $_gPOST = empty($_data) ? I('post.') : $_data;
 $_rs = array();
 foreach ($_gPOST AS $name=>$value){
  if( is_array($value) ){
   $_rs[] = getPostLog($value,$name);
  }else{
   if( !empty($_data) ){
    $_rs[] = $n.'['.$name.']'.'='.$value;
   }else{
    $_rs[] = $name.'='.$value;
   }
  }
 }
 $_rs = implode('&', $_rs);
 return $_rs;
}