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POvalidating data in PHP
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  1. POvalidating data in PHP
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    copied!<p>I have a form like below and I want to get some input from the user. My goal is to validate the data before submitting into database. My question is how do I do this ?</p> <pre><code>&lt;form action="../actions/insertcomment.php" method="post"&gt; &lt;p class ="ctitle"&gt;Leave a Comment:&lt;/p&gt; &lt;p&gt;&lt;label for="postid"&gt;&lt;b&gt;PostID:&lt;/b&gt;&lt;/label&gt; &lt;input type="text" id="postid" name="postid" maxlength="5" /&gt; &lt;br/&gt; &lt;label for="name"&gt;&lt;b&gt;Name:&lt;/b&gt;&lt;/label&gt; &lt;input type="text" id="name" name="name" maxlength="25" /&gt; &lt;br/&gt; &lt;label for="email"&gt;&lt;b&gt;Email:&lt;/b&gt;&lt;/label&gt; &lt;input type="text" id="email" name="email" maxlength="50" /&gt; &lt;br/&gt; &lt;label for="website"&gt;&lt;b&gt;Website:&lt;/b&gt;&lt;/label&gt; &lt;input type="text" id="website" name="website" maxlength="25" /&gt; &lt;br/&gt; &lt;label for="content"&gt;&lt;b&gt;Comment:&lt;/b&gt;&lt;/label&gt; &lt;textarea id="content" name="content" cols="10" rows="4" maxlength="100"&gt;&lt;/textarea&gt; &lt;br/&gt; &lt;input type="submit" value="Submit Comment" name="submit_comment" /&gt; &lt;br/&gt; &lt;/p&gt; &lt;/form&gt; </code></pre> <p>and my insercomment.php is as follows:</p> <pre><code>&lt;html&gt; &lt;link rel = "stylesheet" type = "text/css" href = "../common/style.css" /&gt; &lt;?php include("../common/dbconnect.php"); $con=new dbconnect(); $con-&gt;connect(); error_reporting(E_ALL); //$postid= $_GET['id']; if($_POST) { $postid= $_POST['postid']; $users_name = $_POST['name']; $users_email = $_POST['email']; $users_website = $_POST['website']; $users_comment = $_POST['content']; $postid = htmlspecialchars($postid); $users_name = htmlspecialchars($users_name); $users_email = htmlspecialchars($users_email); $users_website = htmlspecialchars($users_website); $users_comment = htmlspecialchars($users_comment); $sSql = "INSERT INTO comments ( post_id,name, email, website,content) VALUES ( $postid, '$users_name', '$users_email', '$users_website', '$users_comment' )"; //echo $sSql; mysql_query($sSql); //$update=mysql_affected_rows(); //echo "&lt;h2&gt;$update Record Inserted&lt;/h2&gt;&lt;br /&gt;"; echo '&lt;h2&gt; Your Comment is submitted&lt;/h2&gt;&lt;br /&gt;'; } ?&gt; </code></pre> <p>Here I am not using " method="post"> Any code or example for this kind is appreciated.</p>
 

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