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PHP array_diff_ukey() Function

Image
By StackCodee

 <?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"=>"blue","b"=>"black","e"=>"blue");

$result=array_diff_ukey($a1,$a2,"myfunction");
print_r($result);

?>


Output:
Array ( [c] => blue )


Syntex:
array_diff_ukey(array1, array2, array3, ..., myfunction)
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