php时区转换转换函数

复制代码 代码如下:
/*
 * 时区转换
 */function toTimeZone($src, $from_tz = "America/Denver", $to_tz = "Asia/Shanghai", $fm = "Y-m-d H:i:s") {
    $datetime = new DateTime($src, new DateTimeZone($from_tz));
    $datetime->setTimezone(new DateTimeZone($to_tz));
    return $datetime->format($fm);
}