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; ?>