W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
<!DOCTYPE html> <html> <body> <?php $txt1 = "Learn PHP"; $txt2 = "W3School.com.cn"; echo '<h2>' . $txt1 . '</h2>'; echo '<p>Study PHP at ' . $txt2 . '</p>'; ?> </body> </html>