源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php $a=array("red","green","blue","yellow","brown"); $random_keys=array_rand($a,3); echo $a[$random_keys[0]]." "; echo $a[$random_keys[1]]." "; echo $a[$random_keys[2]]; ?></FONT> </body> </html> </HTML>
运行结果：
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000>red blue yellow</FONT> </body> </html> </HTML>