C'est ça.

<?php
public final function getRecName($records=array())
    {
        
     $this->records = $records;
	  
     $rec = geoip_record_by_name($this->ip);
     	
		if(is_array($this->records)){
			foreach($this->records as $v)
			{
				$recs = $v.' ==> '.$rec[$v];
				
				return $recs;
			}
			
			
		}
		else {
			
				$this->error[] = 'Ce n est pas un array';
			}
          
    } // end function getRecName
   
echo $geo->getRecName(array('continent_code', 'country_code'));
?>