源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php $age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43"); ksort($age); foreach($age as $x=>$x_value) { echo "Key=" . $x . ", Value=" . $x_value; echo " "; } ?></FONT> </body> </html> </HTML>
运行结果：