源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php function myfunction($value,$key,$p) { echo "$key $p $value "; } $a=array("a"=>"red","b"=>"green","c"=>"blue"); array_walk($a,"myfunction","has the value"); ?></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>a has the value red b has the value green c has the value blue </FONT> </body> </html> </HTML>