php运行实例（demo_php_func_array_udiff

代码示例：（标识：demo_php_func_array_udiff_assoc）

<!DOCTYPE html>
<html>
<body>

<?php
function myfunction($a,$b)
{
if ($a===$b)
  {
  return 0;
  }
  return ($a>$b)?1:-1;
}

$a1=array("a"=>"red","b"=>"green","c"=>"blue");
$a2=array("a"=>"red","b"=>"blue","c"=>"green");

$result=array_udiff_assoc($a1,$a2,"myfunction");
print_r($result);
?>

</body>
</html>