<?php class Foo { public function spam(array $values) { usort($values, array($this, 'sort')); return $values; } // Protected, expected to not work. But does?! protected function sort($a, $b) { return -1; } } $a = array( 3, 4, 1, 2, ); $foo = new Foo(); var_dump($foo->spam($a));
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