public function test_remove_query_arg() { $this->assertEquals('/app/admin/users', util::remove_query_arg('user', '/app/admin/users?user=5')); $this->assertEquals('/app/admin/users?action=edit', util::remove_query_arg('user', '/app/admin/users?action=edit&user=5')); $this->assertEquals('/app/admin/users?user=5', util::remove_query_arg(array('tab', 'action'), '/app/admin/users?action=edit&tab=personal&user=5')); }