Hello Everyone, today I will guide you "To Sanitize a String in PHP"

SANITIZE :- Data affirmation is usually an inclusive element of working with varieties. Not merely may be published files result in protection problems, nevertheless additionally, it may bust your current webpage. Today, we are going to consider the best way to take away against the law personas in addition to verify files using the "filter_var" functionality.

In simple words Sanitizing will remove any illegal character from the data.

Below code defines if user can fill the Email ID with some special character like (example)@///\gmail.com and Website URL like http://example^^^^.com, the Sanitizing will remove the extra content.

<?php

    if(isset($_POST['submit'])){

       if (isset($_POST['email'])) {
        echo filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);
      }

      if (isset($_POST['website'])) {
          echo filter_var($_POST['website'], FILTER_SANITIZE_URL);
      }

    }

?>

<form name="form1" method="post">
    Email ID: <br/>
    <input type="text" name="email" value="<?php echo $_POST['email']; ?>"/> <br/><br/>
    Website URL: <br/>
    <input type="text" name="website" value="<?php echo $_POST['website']; ?>"/> <br/>
    <br/>
    <input type="submit" name="submit" value="Save" />
</form>