Search DaniWeb - sanitize

Sanitize PHP user input strings 2 Years Ago by Dani …destroy your database! Therefore, you always want to sanitize user input into the format you are expecting.… Dani's string"; // It's important to sanitize the string before using it in a query! $string…amp;amp; echo htmlspecialchars($string); In conclusion, *always* sanitize any variable where you don't have 1000% control … Sanitize PHP hidden form values 14 Years Ago by davidjennings … all, I am new to PHP Do I need to sanitize hidden data values in a form before carrying out the…=$_POST['category_id']; $make=$_POST['make']; Also do I need to sanitize the query also $result = mysql_query("SELECT * FROM products WHERE… Re: Sanitize PHP hidden form values 14 Years Ago by cwarn23 In future please use code tags as this is not your first post. Also the following code should do the trick: [CODE=php]$category_id=mysql_real_escape_string(stripslashes($_POST['category_id'])); $make=mysql_real_escape_string(stripslashes($_POST['make'])); $result = mysql_query("SELECT * FROM products WHERE products_make ='$make'") or … Re: Sanitize PHP hidden form values 14 Years Ago by davidjennings Hi Thanks for the information working fine Thanks for the heads up on the [code] **** [/code] rule and in the future I will add it to any further posts. You mentioned my previous post which is not resolved, any ideas for a solution. Thanks again David [QUOTE=cwarn23;983359]In future please use code tags as this is not your first… Re: Sanitize PHP hidden form values 14 Years Ago by cwarn23 [QUOTE]You mentioned my previous post which is not resolved, any ideas for a solution.[/QUOTE]What's the problem or is this solved? Re: Sanitize PHP hidden form values 14 Years Ago by davidjennings Hi This thread is solved and I will mark it accordingly But do you have time to look at my previous thread [url]www.daniweb.co./forums/thread222004.html[/url] Thanks in advance. David Re: Best practices for sanitize POST parameters 5 Years Ago by rproffitt Keeping in mind this is about POST and not SQL, http://php.net/manual/en/filter.filters.sanitize.php does seem like a good thing. Other sanitizers at http://php.net/manual/en/filter.filters.sanitize.php might be used depending on the need. Re: Best practices for sanitize POST parameters 5 Years Ago by alan.davies … specfic types then you can 'filter' to either validate or sanitize. You can also cast to specific types, trim etc. Use… Re: Best practices for sanitize POST parameters 5 Years Ago by jkon Don't sanitize , in that way. ALWAYS use PREPARED STATEMENTS (sorry for my caps … but yes I am yelling). A logical confirmation is almost always required (both front-end and back-end). eg. Is this string an integer is it in a valid currency format , is it a valid phone etc . That could be done with a simple String Utils class. Sanitize HTMLString 11 Years Ago by Troy III # This is a simple HTML String Sanitizing tool. # ## It allows a highly rich,- but safe - html content input to be published on your pages. ## **The script code is very light and to some degree customizable.** * This function takes care of blacklisted tags, which are the first to be discarded without further processing. * Otherwise, it checks *… Re: Sanitize HTMLString 11 Years Ago by Taywin Nice snippet. One note for practicality, doing white-list sanitization is better than black-list when it comes down to security. In other words, reject any thing if found any value that is not in expected values rather than attempt to remove unwanted values which may or may not be foreseen. It is less confusing and more intuitive. Re: Sanitize HTMLString 11 Years Ago by Troy III Hi Taywin, thanks for your suggestion. I think there was a reason behind this decision... Its about freedom -------------------- And freedom is about more choices, more opportunities, more solutions and so forth. To my humble opinion -there are always more good people, than bad. Henceforth, contrary to the widespread policy/opinion that treats … added numeric validation to mysl_real_escape_string function; IS IT OK?? 13 Years Ago by websurfer … all! <?php // ORIGINAL CODE $_POST=sanitize($_POST); $_GET=sanitize($_GET); $_COOKIE=sanitize($_COOKIE); $_REQUEST=sanitize($_REQUEST); function sanitize($input){ if(is_array($input)){ foreach($input… While loop not outputting data from database.. 6 Years Ago by WebDevGuy32145 … ((isset($_POST['confirm']) && $_POST['confirm'] != '')?sanitize($_POST['confirm']):$User['password']); $permissions = ((isset($_POST['permissions']) …&& $_POST['permissions'] != '')?sanitize($_POST['permissions']):$User['permissions']); } if ($_POST) { $emailQuery = $… Re: While loop not outputting data from database.. 6 Years Ago by cereal … an array: $permissions = ((isset($_POST['permissions']) && $_POST['permissions'] != '')?sanitize($_POST['permissions']):$User['permissions']); you can hardcode the options in… login credentials not correct 13 Years Ago by lovell_82 … ) { $ret_str = mysql_real_escape_string( $str ); } else { $ret_str = addslashes( $str ); } return $ret_str; } /* Sanitize() function removes any potential threat from the data submitted. Prevents…is true, newline chracters are removed from the input. */ function Sanitize($str,$remove_nl=true) { $str = $this->StripSlashes($str);… Template engine for Codeigniter 3 with built-in HTML sanitizer 1 Year Ago by Dani …tutorial](https://www.daniweb.com/programming/web-development/tutorials/537376/sanitize-php-user-input-strings) about how important it is …a database query, but it's also important to sanitize user input being displayed to the end-user to generate…know beyond a reasonable doubt that there is nothing to sanitize, so I want to save it from being passed… Who knows little about design patterns ? 10 Years Ago by Clanstrom …this class helps check somethings in a string. class Sanitize{ public $errors = []; function checkEmail($email){ …I probably would do... $Sanitize = new Sanitize(); $checkEmail = $Sanitize->checkEmail($_POST['email']); if(!$Sanitize->checkErrors){ $QueryClass … web throwing wierd errors at me please help 11 Years Ago by GraficRegret …false; } function user_id_from_userName($userName) { $userName = sanitize($userName); return(mysql_result(mysql_query("SELECT `user_id` …password) { $user_id = user_id_from_userName($userName); $userName = sanitize($userName); $password = SHA1($password); return (mysql_result(… [L3] Automatic Filtering Input in Laravel 3.* 11 Years Ago by cereal …, in this example I'm using `filter_var_array()`: public static function sanitize($array) { $result = filter_var_array($array, FILTER_SANITIZE_STRING); return $result … $array * @param array $input * @return array */ public static function sanitize($array, $input = array()) { $purifier = IoC::resolve('HTMLPurifier'); $array… Login and Registration Error 10 Years Ago by wareez … server include('SQLConfig.php'); //Function to sanitize values received from the form. Prevents SQL injection //Sanitize the POST values $a = $_POST['username… server include('SQLConfig.php'); //Function to sanitize values received from the form. Prevents SQL injection //Sanitize the POST values $a = $_POST['username… Logic issue in php 6 Years Ago by WebDevGuy32145 …submmited if (isset($_POST['add_submit'])) { $brand = sanitize(mysqli_real_escape_string($db, $_POST['brand'])); // check if brand …']; }else { if (isset($_POST['brand'])) { $brand_value = sanitize($_POST['brand']); } } ?> <label for="brand… URL gets changed upon submit when editing 6 Years Ago by WebDevGuy32145 …$errors = array(); $delete_id = (int)$_GET['delete']; $delete_id = sanitize($delete_id); $dsql = "DELETE FROM categories WHERE id = '$delete_id… && !empty($_POST)) { $post_parent = sanitize($_POST['parent']); $category = sanitize($_POST['category']); $sqlform = "SELECT * FROM… Activate wordpress plugin function using radio from admin page 6 Years Ago by idaryl …Option name array( $this, 'sanitize' ) // Sanitize ); add_settings_section( 'setting_section_id', // …setting-admin', 'setting_section_id' ); } /** * Sanitize each setting field as needed * * @… Re: getting undefines function error even though function is defined 11 Years Ago by diafol … : false; } function user_id_from_username($username) { $username = sanitize($username); $query = mysql_query("SELECT `user_id` FROM `… $password) { $user_id = user_id_from_username($username); $username = sanitize($username); $password = sha1($password); $query = mysql_query("… Re: Chat script Not working with mysqli 3 Years Ago by Sananil …chatHistory'][$chat['from']]; } $chat['username'] =sanitize( $chat['username']); $chat['message'] = sanitize($chat['message']); if($chat['photo1']=='') { if…echo "1"; exit(0); } function sanitize($text) { $text = htmlspecialchars($text, ENT_QUOTES); $… Re: Chat script Not working with mysqli 3 Years Ago by Sananil …chatHistory'][$chat['from']]; } $chat['username'] =sanitize( $chat['username']); $chat['message'] = sanitize($chat['message']); if($chat['photo1']=='') { if…echo "1"; exit(0); } function sanitize($text) { $text = htmlspecialchars($text, ENT_QUOTES); $… Re: Chat script Not working with mysqli 3 Years Ago by soniyabis …chatHistory'][$chat['from']]; } $chat['username'] =sanitize( $chat['username']); $chat['message'] = sanitize($chat['message']); if($chat['photo1']=='') { if…echo "1"; exit(0); } function sanitize($text) { $text = htmlspecialchars($text, ENT_QUOTES); $… MD5 password PHP/mySQL 13 Years Ago by pjh1985 …password']); $cpassword = clean($_POST['cpassword']); //Function to sanitize values received from the form. Prevents SQL injection function …get_magic_quotes_gpc()) { $str = stripslashes($str); } return mysql_real_escape_string($str); } //Sanitize the POST values $fname = clean($_POST['fname']); $lname = clean($_POST… getting undefines function error even though function is defined 11 Years Ago by GraficRegret …true : false; } function user_id_from_username($username) { $username = sanitize($username); $query = mysql_query("SELECT `user_id` FROM `users`…, $password) { $user_id = user_id_from_username($username); $username = sanitize($username); $password = sha1($password); $query = mysql_query("…