<?php
public function convertDate($DATE){
		if(eregi('/',$DATE)){
				$_DATE = explode("/", $DATE);;
		} else if(eregi('-',$DATE)){
				$_DATE = explode("-", $DATE);
		}		

		// als eerste element gelijk aan 4, datum is in yyyy-mm-dd format
		if(strlen($_DATE[0]) == 4){
			$_DATE[2] = (strlen($_DATE[2]) == 1) ? '0'.$_DATE[2] : $_DATE[2];
			$_DATE[1] = (strlen($_DATE[1]) == 1) ? '0'.$_DATE[1] : $_DATE[1];
			$return = $_DATE[0] .'-'. $_DATE[1] .'-'. $_DATE[2];
		}else{
			$_DATE[0] = (strlen($_DATE[0]) == 1) ? '0'.$_DATE[0] : $_DATE[0];
			$_DATE[1] = (strlen($_DATE[1]) == 1) ? '0'.$_DATE[1] : $_DATE[1];
			$return = $_DATE[2] .'-'. $_DATE[1] .'-'. $_DATE[0];
		}
		if(!eregi("^[0-9]{4}[-]?[0-9]{2}[-]?[0-9]{2}$", $return))
			return "Bad date";
		else
			return $return;		
	}
?>