<html>
<body>
$a1=array("a"=>"red","b"=>"green","c"=>"blue");
$a2=array("c"=>"yellow","d"=>"black","e"=>"brown");
$a3=array("f"=>"green","c"=>"purple","g"=>"red");
$result=array_intersect_key($a1,$a2,$a3);
print_r($result);
</body>
<!-- /php/phptryit.asp?filename=tryphp_func_array_intersect_key3 Thu, 06 Feb 2025 19:26:39 GMT -->
</html>