public function test_return()
{
$countArgs = function () {
return func_num_args();
};
$this->assertInstanceOf(Closure, P\unary($countArgs), 'unary should return a closure');
$this->assertEquals(1, P\unary($countArgs)->__invoke(1, 2, 3), 'Unary should eat all but one argument');
}
<section>
<h2>Testing Quaternary!</h2>
<p>
<?php
$output = call_user_func_array($quaternary($testFn), testData);
?>
Quaternary returned: <?php
echo $output;
?>
</p>
</section>
<section>
<h2>Testing Unary</h2>
<p>
<?php
$output = call_user_func_array(P\unary($testFn), testData);
?>
Unary returned: <?php
echo $output;
?>
</p>
</section>
<section>
<h2>Currying native function test. Target: array_map</h2>
<p>
<?php
echo $jsonTestData;
?>
—$map2x→ <?php
echo json_encode($mapX2(testData));