如何用php代码在html页面上输出内容

<?php
$reftime = localtime(time(), true);
$prftime = sprintf("%s-%s-%s %s:%s:%s",
$reftime['tm_year']+1900,
$reftime['tm_mon']+1,
$reftime['tm_mday'],
$reftime['tm_hour'],
$reftime['tm_min'],
$reftime['tm_sec']
);
echo $prftime;
?>本回答被网友采纳