Captcha Code In PHP
php and html Code <?php //Random Number Generation $rand=substr(rand(),0,4);//only show 4 numbers ?> <form method="post" action="<?php $_SERVER['PHP_SELF']?>" name="form1"> <table> <tr> <td>Name:</td> <td><input type="text" name="name"> <span id="name" class="color"></span> </td> </tr> <tr> <td>Enter Captcha</td> <td><input type="text" name="chk" id="chk"> <span id="error" class="color"></span> </td> </tr> <tr> <td> </td> <td><input type="text" value="<?=$rand?>" id="ran" readonly="readonly" class="captcha"> <input type="button" value="Referesh" onclick="captch()" /></td...