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copied!<p>The problem is with the action attribute of the form tag</p> <p>Change </p> <pre><code><form class="form-1" action="login/check" method="post"> </code></pre> <p>To</p> <pre><code><form class="form-1" action="/login/check" method="post"> </code></pre> <p>Or better (if you are using the url helper)</p> <pre><code><form class="form-1" action="<?php echo base_url() ?>login/check" method="post"> </code></pre> <p><strong>Why is it happening?</strong></p> <p>You are using a value that is relative to the <code>path</code> of the current url.</p> <p><a href="http://www.w3schools.com/tags/att_form_action.asp" rel="nofollow">HTML form action Attribute</a></p> <p><strong>Example 1</strong></p> <ul> <li>Page <ul> <li><code><a href="http://www.example.com/" rel="nofollow">http://www.example.com/</a></code></li> </ul></li> <li>Form <ul> <li><code><form class="form-1" action="login/check" method="post"></code></li> </ul></li> <li>Will post to <ul> <li><code><a href="http://www.example.com/login/check" rel="nofollow">http://www.example.com/login/check</a></code></li> </ul></li> </ul> <p><strong>Example 2</strong></p> <ul> <li>Page <ul> <li><code><a href="http://www.example.com/login/" rel="nofollow">http://www.example.com/login/</a></code></li> </ul></li> <li>Form <ul> <li><code><form class="form-1" action="login/check" method="post"></code></li> </ul></li> <li>Will post to <ul> <li><code><a href="http://www.example.com/login/login/check" rel="nofollow">http://www.example.com/login/login/check</a></code></li> </ul></li> </ul> <p><strong>Example 3</strong></p> <ul> <li>Page <ul> <li><code><a href="http://www.example.com/login" rel="nofollow">http://www.example.com/login</a></code></li> </ul></li> <li>Form <ul> <li><code><form class="form-1" action="/" method="post"></code></li> </ul></li> <li>Will post to <ul> <li><code><a href="http://www.example.com/" rel="nofollow">http://www.example.com/</a></code></li> </ul></li> </ul>

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