W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
<!DOCTYPE html> <html> <body> <?php $a=array("red","green","blue","yellow","brown"); $random_keys=array_rand($a,3); echo $a[$random_keys[0]]."<br>"; echo $a[$random_keys[1]]."<br>"; echo $a[$random_keys[2]]; ?> </body> </html>