Php: how to quickly find malicious code in the database and how to quickly find malicious code _ PHP Tutorial

Php quickly searches for malicious code in the database. Php quick search for malicious code in the database, quick search for malicious code this article describes how php can quickly find malicious code in the database. Share it with you for your reference. Php allows you to quickly search for malicious code in a database.

This example describes how php can quickly find malicious code in a database. Share it with you for your reference. The details are as follows:

The database is entered with malicious code. to ensure the security of your database, you must carefully clean it up. With the following super convenient function, you can quickly clear malicious database code.

function cleanInput($input) { $search = array(  '@]*?>.*?@si', // Strip out javascript  '@<[\/\!]*?[^<>]*?>@si', // Strip out HTML tags  '@]*?>.*?@siU', // Strip style tags properly  '@@' // Strip multi-line comments );  $output = preg_replace($search, '', $input);  return $output; }function sanitize($input) {  if (is_array($input)) {    foreach($input as $var=>$val) {      $output[$var] = sanitize($val);    }  }  else {    if (get_magic_quotes_gpc()) {      $input = stripslashes($input);    }    $input = cleanInput($input);    $output = mysql_real_escape_string($input);  }  return $output;}// Usage:$bad_string = "Hi! It's a good day!";$good_string = sanitize($bad_string);// $good_string returns "Hi! It\'s a good day!"// Also use for getting POST/GET variables$_POST = sanitize($_POST);$_GET = sanitize($_GET);

I hope this article will help you with php programming.

Examples in this article describes how php can quickly find malicious code in the database. Share it with you for your reference. With...