<?php echo "<h2>PHP 很有趣!</h2>"; echo "Hello world!<br>"; echo "我要学 PHP!<br>";
echo "这是一个", "字符串,", "使用了", "多个", "参数。";
$txt1="学习 PHP"; $txt2="RUNOOB.COM"; $cars=array("Volvo","BMW","Toyota"); echo $txt1; echo "<br>"; echo "在 $txt2 学习 PHP ";
echo "<br>"; echo "我车的品牌是 {$cars[0]}";
?>
<?php print "<h2>PHP 很有趣!</h2>"; print "Hello world!<br>"; print "我要学习 PHP!"; ?>