PHP 防注入函数(格式化数据)

<?
//格式化数据（防止注入）
function site_addslashes($string, $force = 0) {
!defined(MAGIC_QUOTES_GPC) && define(MAGIC_QUOTES_GPC, get_magic_quotes_gpc());
if(!MAGIC_QUOTES_GPC || $force) {
if(is_array($string)) {
foreach($string as $key => $val) {
$string[$key] = daddslashes($val, $force);
}
} else {
$string = addslashes($string);
}
}
return $string;
}
?>