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This page shows the PHP and JavaScript code used in the "Add a
User" section.
addauser.php
<?php
$page_title="Add a user - FREE PHP code and SQL";
$page_keywords="free php, sql insert record";
$page_desc="Add a username and password to test - free online login PHP MySQL example system";
include("header.inc");
?>
<?php include("validateform.inc"); ?>
<p align="center"><big><strong>3. Add a User</strong></p></big>
<blockquote>
<blockquote>
<p>Below is the current single record within the database: </p>
</blockquote>
<blockquote>
<blockquote>
<?php include("config.php"); ?>
<?php include("getrecord.inc"); ?>
</blockquote>
</blockquote>
<blockquote>
<p>Add your own username and password, enter your details below and click save. <strong>DO
NOT</strong> use valid details as the information you enter will be displayed above and
the next visitor will be able to view them as you are now.</p>
</blockquote>
</blockquote>
<form
ACTION="savedata.php"
name="saveform" METHOD="POST" align="center">
<div align="center"><center><table border="0" width="93%" cellspacing="0" cellpadding="0">
<tr>
<td width="52%"><div align="center"><center><table border="0" height="59" width="310"
bgcolor="#808080" cellspacing="1" cellpadding="0">
<tr>
<td width="248" height="19" bgcolor="#C0C0C0" align="right"><p><font color="#000000"><small>Add
Your test username:</small></font></td>
<td width="123" height="19" bgcolor="#C0C0C0"><p><input NAME="username"
VALUE SIZE="8" MAXLENGTH="16" tabindex="1"></td>
<td width="47" height="19" align="center" bgcolor="#C0C0C0"><div align="center"><center><p><a
href="javascript:alert('The username must be between 4 and 16 characters long.')"><small><small>Help</small></small></a></td>
</tr>
<tr align="center">
<td width="248" height="17" bgcolor="#C0C0C0" align="right"><p><font color="#000000"><small>Add
Your test password:</small></font></td>
<td height="17" width="123" bgcolor="#C0C0C0" align="left"><p><input type="password"
name="password" size="8" tabindex="2" maxlength="8"></td>
<td width="47" height="17" align="center" bgcolor="#C0C0C0"><a
href="javascript:alert('The password must be between 4 and 8 characters long.')"><small><small>Help</small></small></a></td>
</tr>
<tr align="center">
<td width="248" height="1" bgcolor="#C0C0C0"></td>
<td width="123" height="1" bgcolor="#C0C0C0"><p><input TYPE="button"
NAME="FormsButton2" VALUE="save" ONCLICK="validateForm()" tabindex="3"></td>
<td width="47" height="1" align="center" bgcolor="#C0C0C0"><a
href="javascript:alert('Click to save the details')"><small><small>Help</small></small></a></td>
</tr>
</table>
</center></div></td>
<td width="48%" align="center"><small>When you have added your own username and password <a
href="login.php">move
onto the Login page to test it!</a></small></td>
</tr>
</table>
</center></div>
</form>
<p align="center"> </p>
<p align="center"><a
href="addausercode.php">Click
here to view the PHP and JavaScript code</a> used for this page, or <a href="http://www.thedemosite.co.uk/demo-code.zip">download the free zip here</a> </p>
<?php include("footer.inc"); ?>
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validateform.inc
<?php
// version 1.1
$qstr = "SELECT * from members where id = '1' ";
$result = mysql_query($qstr);
if (mysql_num_rows($result))
{
$username = mysql_result($result,0, "username");
$password = mysql_result($result,0, "password");
echo "<b>The username:</b> $username<br>";
echo "<b>The password:</b> $password<br>";
}
else echo "ERROR - unable to find current username and password!";
mysql_close();
?>
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config.php |
<?php
$mysql_database="a_db"; // change to your own
$mysql_username="a_username"; // change to your own
$mysql_password="a_password"; // change to your own
$link = mysql_connect("localhost",$mysql_username,$mysql_password) or die
("Unable to connect to SQL server");
mysql_select_db($mysql_database,$link) or die ("Unable to select database");
?> |
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getrecord.inc
<?php
// version 1.1
$qstr = "SELECT * from members where id = '1' ";
$result = mysql_query($qstr);
if (mysql_num_rows($result))
{
$username = mysql_result($result,0, "username");
$password = mysql_result($result,0, "password");
echo "<b>The username:</b> $username<br>";
echo "<b>The password:</b> $password<br>";
}
else echo "ERROR - unable to find current username and password!";
mysql_close();
?>
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savedata.php
<?php
include("config.php");
$qselect = "Select * from members where id = '1'";
$qadd = "
INSERT INTO members
(id, password, username)
VALUES ('1', 'test', 'test') ";
$username = mysql_real_escape_string($_POST['username']);
$password = mysql_real_escape_string($_POST['password']);
if( ($username=="") OR ($password=="") )
{
include("addauser.php");
exit;
}
$qupdate = "
UPDATE members
SET password = '$password',
username = '$username'
WHERE id = '1'";
$result = mysql_query($qselect);
// check the single record exists
if (mysql_num_rows($result)) $result = mysql_query($qupdate); // update original record
else $result = mysql_query($qadd); // if not add an initial record
if ($result) mysql_close();
else
{
echo "ERROR - unable to save new username and password!<br>";
$SQLError = "SQL ERROR: ".mysql_errno().". ".mysql_error()."<BR><BR>";
echo "$SQLError";
mysql_close();
}
include("addauser.php");
?>
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