HTML
<input type="text" value="whateva" name="text[]" />
<input type="text" value="whateva" name="text[]" />
<input type="text" value="whateva" name="text[]" />
PHP
if (!empty($_POST['text'])) {
foreach ($_POST['text'] AS $value) {
// add to the database
$sql = 'INSERT INTO tableName SET fieldName = "' . mysql_real_escape_string($value) . '"';
}
}