<?php
$str = "09-3月-02";
$search = "/[^\d]+/";
$replace = " ";
echo preg_replace($search,$replace,$str);
?>
$str = "09-3月-02";
$search = "/[^\d]+/";
$replace = " ";
echo preg_replace($search,$replace,$str);
?>
<?php
$str = "09-3月-02";
$str = str_replace("月","",$str);
echo date("y n d",strtotime ($str));
?>