PHP Decode

--TEST--
Test array_uintersect() function : usage variation - differing comparison functions
--FILE--
<?php
echo "*** Testing array_uintersect() : usage variation - differing comparison functions***\n";

$arr1 = array(1);
$arr2 = array(1,2);

echo "\n-- comparison function with an incorrect return value --\n";
function incorrect_return_value ($val1, $val2) {
  return array(1);
}
var_dump(array_uintersect($arr1, $arr2, 'incorrect_return_value'));

echo "\n-- comparison function taking too many parameters --\n";
function too_many_parameters ($val1, $val2, $val3) {
  return 1;
}
try {
    var_dump(array_uintersect($arr1, $arr2, 'too_many_parameters'));
} catch (Throwable $e) {
    echo "Exception: " . $e->getMessage() . "\n";
}

echo "\n-- comparison function taking too few parameters --\n";
function too_few_parameters ($val1) {
  return 1;
}
var_dump(array_uintersect($arr1, $arr2, 'too_few_parameters'));

?>
--EXPECT--
*** Testing array_uintersect() : usage variation - differing comparison functions***

-- comparison function with an incorrect return value --
array(0) {
}

-- comparison function taking too many parameters --
Exception: Too few arguments to function too_many_parameters(), 2 passed and exactly 3 expected

-- comparison function taking too few parameters --
array(0) {
}