源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php $a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow"); $a2=array("a"=>"red","f"=>"green","g"=>"blue"); $a3=array("h"=>"red","b"=>"green","g"=>"blue"); $result=array_diff_assoc($a1,$a2,$a3); print_r($result); ?></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>Array ( [c] => blue [d] => yellow ) </FONT> </body> </html> </HTML>