function search($array, $key, $value)
{
    $results = array();

    if (is_array($array))
    {
        if (isset($array[$key]) && $array[$key] == $value)
            $results[] = $array;

        foreach ($array as $subarray)
            $results = array_merge($results, search($subarray, $key, $value));
    }

    return $results;
}

foreach ($elkoArr as $k => $elkoItem) {
	if (empty(search($ocsArr, 'PROPERTY_31_VALUE', $elkoItem['PROPERTY_22_VALUE']))) {
		$countElko++;

	}
}

foreach ($treolanArr as $treolanItem) {
	if (empty(search($ocsArr, 'PROPERTY_31_VALUE', $treolanItem['PROPERTY_3_VALUE']))) {
		$countTreolan++;
	}
}

echo $countElko."\n";
echo $countTreolan."\n";

$finish = microtime(true);
$delta = $finish - $start;
echo round($delta, 2)." сек. \n";