<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> yesterday.php </title>
<meta charset="UTF-8">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head> <body>
<form method="post" action="">
<input type="text" name="usrname"><br>
<input type="submit">
</form>
<br>usrname:<br><?php
$strYesterday=strtotime("-1 day");
var_dump($strYesterday);
echo '<hr>';
echo strftime("%Y-%m-%d %T",$strYesterday);
echo '<br>';
echo strftime("%b %d %Y %X",$strYesterday);
echo '<hr>';
echo date("Y-m-d H:i:s",$strYesterday);
?>
<hr><?php
$str=mktime(20,0,0,12,31,98);
var_dump($str);
echo(strftime("%b %d %Y %X", $str));
echo '<hr>';
echo(gmstrftime("%b %d %Y %X", mktime(20,0,0,12,31,98)));
//输出当前日期、时间和时区
?>
<hr>
</body>
</html>
usrname:
int 1460250904
Apr 10 2016 01:15:04
2016-04-10 01:15:04
int 915134400Dec 31 1998 20:00:00
Dec 31 1998 20:00:00
