discuz的php防止sql注入函数

$magic_quotes_gpc = get_magic_quotes_gpc();

@extract(daddslashes($_COOKIE));

@extract(daddslashes($_POST));

@extract(daddslashes($_GET));

if(!$magic_quotes_gpc) {

$_FILES = daddslashes($_FILES);

}

function daddslashes($string, $force = 0) {

if(!$GLOBALS['magic_quotes_gpc'] || $force) {

if(is_array($string)) {

foreach($string as $key => $val) {

$string[$key] = daddslashes($val, $force);

}

} else {

$string = addslashes($string);

}

}

return $string;

}