<?php if (!empty($printer_data)) {

		foreach($printer_data as $key => $value) {

			if (empty($value)) {

				$value = 'Nincs megadva adat';

			}

			if ($key === 'email') {

				echo "<span class='$key'><a href='mailto:$value' target='_top'>$value</a></span>";

			} else {

				echo "<span class='$key'>$value</span>";

			}

		}

	}else {

	echo '<span class="NA">Nincs megadva adat</span>';

	}

?>

function printer_data() {

	$pdata = array();

	$item_id = $_GET['ws'];



	$printer_name_query = mysql_fetch_assoc(mysql_query("SELECT * FROM items WHERE id = '$item_id'")); 

	$printer_name = $printer_name_query['printer_name'];



	$func_num_args = func_num_args();

	$func_get_args = func_get_args();



	if ($func_num_args) {

		unset($func_get_args[0]);

		$pfields = '`' . implode('`, `', $func_get_args) . '`';

		$pdata = mysql_fetch_assoc(mysql_query("SELECT $pfields FROM printers WHERE name = '$printer_name'"));

		

		return $pdata;

	}

}



$printer_data = printer_data('id', 'name', 'addr', 'tel', 'email', 'adosz', 'contact', 'contact-tel', 'contact-email');



echo $printer_data['tel'];

<?php if (!empty($printer_data['tel'])): ?>

	<span class="tel"><?php echo $printer_data['tel']; ?></span>

<?php else: ?>

	<span class="tel"><?php echo 'Nincs megadva adat'; ?></span>

<?php endif; ?>