<?php
echo j7_getdate('Y-m-d','2010-11-15','+10 day');
function j7_getdate($format,$time='now',$opt){
}
//輸出 2010-11-25
//詳細 strtotime 使用方法
/*
echo strtotime("now"), "\n";
echo strtotime("10 September 2000"), "\n";
echo strtotime("+1 day"), "\n";
echo strtotime("+1 week"), "\n";
echo strtotime("+1 week 2 days 4 hours 2 seconds"), "\n";
echo strtotime("next Thursday"), "\n";
echo strtotime("last Monday"), "\n";
*/
?>