Magic three

MagicThree.php

<?php

class MagicThreeResolver
{
	/**
	 * @param array $numbers
	 *
	 * @return bool
	 */
	public function resolve(array $numbers)
	{
		foreach ($numbers as $n1)
		{
			foreach ($numbers as $n2)
			{
				foreach ($numbers as $n3)
				{
					if (array_sum([$n1, $n2, $n3]) === 0)
					{
						return true;
					}
				}
			}
		}
		return false;
	}
}