--TEST--
Test array_intersect_ukey() function : usage variation - Passing class/object methods to callback
--FILE--
<?php
class MyClass
{
    static function static_compare_func($key1, $key2)
    {
        return strcasecmp($key1, $key2);
    }
    public function class_compare_func($key1, $key2)
    {
        return strcasecmp($key1, $key2);
    }
}
function main()
{
    echo "*** Testing array_intersect_ukey() : usage variation ***\n";
    //Initialise arguments
    $array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
    $array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
    echo "\n-- Testing array_intersect_ukey() function using class with static method as callback --\n";
    var_dump(array_intersect_ukey($array1, $array2, array('MyClass', 'static_compare_func')));
    var_dump(array_intersect_ukey($array1, $array2, 'MyClass::static_compare_func'));
    echo "\n-- Testing array_intersect_uassoc() function using class with regular method as callback --\n";
    $obj = new MyClass();
    var_dump(array_intersect_ukey($array1, $array2, array($obj, 'class_compare_func')));
}
?>
--EXPECT--
*** Testing array_intersect_ukey() : usage variation ***

-- Testing array_intersect_ukey() function using class with static method as callback --
array(2) {
  ["blue"]=>
  int(1)
  ["green"]=>
  int(3)
}
array(2) {
  ["blue"]=>
  int(1)
  ["green"]=>
  int(3)
}

-- Testing array_intersect_uassoc() function using class with regular method as callback --
array(2) {
  ["blue"]=>
  int(1)
  ["green"]=>
  int(3)
}