// 这是 PHP 单行注释 /* 这是 PHP 多行 注释 */
php $txt1="Learn PHP"; $txt2="w3cschool.cc"; $cars=array("Volvo","BMW","Toyota"); echo $txt1; echo "
"; echo "Study PHP at $txt2"; echo "My car is a {$cars[0]}"; echo "
"; echo "{$txt1}"; ?>
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