if (isset($_POST['name'])) {
$name = $_POST['name'];
$email = $_POST['email'];
if (is_array($name)){
foreach( $name as $key => $n ) {
echo "The name is ".$n." and email is ".$email[$key].", thank you.<br />";
}
} else {
print "The name is ".$name." and email is ".$email.", thank you.<br />";
}
}

<form method="post" action="">
<input type="text" name="name[]" value="a"/><br />
<input type="text" name="email[]" value="b"/><br />

<input type="text" name="name[]" value="c"/><br />
<input type="text" name="email[]" value="d"/><br />

<input type="text" name="name[]" value="e"/><br />
<input type="text" name="email[]" value="f"/><br />
<button type="submit">Skicka</button><br />
</form>
=========================<br />
Använd formuläret ovan eller det under<br />
=========================<br />
<form method="post" action="">
<input type="text" name="name" value="a"/><br />
<input type="text" name="email" value="b"/><br />

<input type="text" name="name" value="c"/><br />
<input type="text" name="email" value="d"/><br />

<input type="text" name="name" value="e"/><br />
<input type="text" name="email" value="f"/><br />
<button type="submit">Skicka</button>
</form>