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copied!<p><strong>What <a href="http://www.w3schools.com/php/php_forms.asp" rel="nofollow noreferrer">W3Schools (PHP Form Handling)</a> fail to mention is</strong>, that the entire (2) bodies of code need to either be inside a single file, or in 2 seperate files in order for it to work as expected.</p> <p>However, the code from W3Schools and the OP are not indentical and have been modified, using <code>htmlspecialchars</code> and <code>(int)</code></p> <p>If you wish to make use of <code>htmlspecialchars</code>, do the following in your <code>welcome.php</code> file:</p> <pre><code><?php $fname = htmlspecialchars($fname); ?> Welcome <?php echo $_POST["fname"]; ?>!<br> You are <?php echo (int)$_POST['age']; ?> years old. </code></pre> <h2>Form used:</h2> <pre><code><html> <body> <form action="welcome.php" method="post"> Name: <input type="text" name="fname"> Age: <input type="text" name="age"> <input type="submit"> </form> </body> </html> </code></pre> <p>I did not see any mention on the W3Schools website about the use of <code>htmlspecialchars</code> or <code>(int)</code></p> <pre><code>Hi <?php echo htmlspecialchars($_POST['name']); ?>. You are <?php echo (int)$_POST['age']; ?> years old. </code></pre> <p>If you wish to make use of <a href="http://php.net/manual/en/function.htmlspecialchars.php" rel="nofollow noreferrer"><strong>htmlspecialchars</strong></a> then you should the following syntax:<br> <code>$fname = htmlspecialchars( $fname );</code> And placed within <code><?php</code> and <code>?></code> tags such as:</p> <pre><code><?php $fname = htmlspecialchars( $fname ); ?> </code></pre> <p><strong>NOTE</strong>: I know next to nothing about running a Webserver from my own computer, yet from information I found <a href="https://stackoverflow.com/a/312886/1415724"><strong>here on SO</strong></a> mention that in order to access your PHP files, you need to type in <code>http://localhost</code> in your Web browser's address bar and the folder where your file is in.</p> <hr> <p>Please visit <a href="https://stackoverflow.com/a/312886/1415724"><strong>this answer</strong></a></p> <p>StackOverflow did not let me insert the codes on that page, for one reason or another.</p>

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