'Андрей', 'Черкасов', 'andrey@yandex.ru', 'test', 3800000000);
<form method="POST" action="">
<textarea name="add"></textarea><br><br>
<input type="submit" name="ser" value="ADD" />
</form>
</center>
<?php
$values = explode("\n", $_POST['add']);
foreach ($values as $value) {
echo $value."<br>";
}
?>