<?php
echo get_magic_quotes_gpc(); // 1
echo $_POST['lastname']; // O\'reilly
echo addslashes($_POST['lastname']); // O\\\'reilly
if (get_magic_quotes_gpc()) {
$lastname = stripslashes($_POST['lastname']);
}
else {
$lastname = $_POST['lastname'];
}
// If using MySQL
$lastname = mysql_real_escape_string($lastname);
echo $lastname; // O\'reilly
$sql = "INSERT INTO lastnames (lastname) VALUES ('$lastname')";
?>