网页防注入,可以委以360的通用防护代码吗

//Code By Safe3 
function customError($errno, $errstr, $errfile, $errline)
{ 
 echo "Error number: [$errno],error on line $errline in $errfile
";
 die();
}
set_error_handler("customError",E_ERROR);
$getfilter="'|(and|or)\\b.+?(>|<|=|in|like)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
$postfilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
$cookiefilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
function StopAttack($StrFiltKey,$StrFiltValue,$ArrFiltReq){  

if(is_array($StrFiltValue))
{
    $StrFiltValue=implode($StrFiltValue);
}  
if (preg_match("/".$ArrFiltReq."/is",$StrFiltValue)==1){   
        //slog("

操作IP: ".$_SERVER["REMOTE_ADDR"]."
操作时间: ".strftime("%Y-%m-%d %H:%M:%S")."
操作页面:".$_SERVER["PHP_SELF"]."
提交方式: ".$_SERVER["REQUEST_METHOD"]."
提交参数: ".$StrFiltKey."
提交数据: ".$StrFiltValue);
        print "360websec notice:Illegal operation!";
        exit();
}      
}  
//$ArrPGC=array_merge($_GET,$_POST,$_COOKIE);
foreach($_GET as $key=>$value){ 
	StopAttack($key,$value,$getfilter);
}
foreach($_POST as $key=>$value){ 
	StopAttack($key,$value,$postfilter);
}
foreach($_COOKIE as $key=>$value){ 
	StopAttack($key,$value,$cookiefilter);
}
if (file_exists('update360.php')) {
	echo "请重命名文件update360.php，防止黑客利用
";
    die();
}
function slog($logs)
{
  $toppath=$_SERVER["DOCUMENT_ROOT"]."/log.htm";
  $Ts=fopen($toppath,"a+");
  fputs($Ts,$logs."\r\n");
  fclose($Ts);
}
?>