Creating a simple PHP guestbook

[riderz]

In this tutorial create 3 files
1. guestbook.php
2. addguestbook.php
3. viewguestbook.php

Step
1. Create table name "guestbook" in database "test".
2. Create file guestbook.php.
3. Create file addguestbook. php.
4. Create file viewguestbook.php

Set up database

CREATE TABLE `guestbook` (
`id` int(4) NOT NULL auto_increment,
`name` varchar(65) NOT NULL default '',
`email` varchar(65) NOT NULL default '',
`comment` longtext NOT NULL,
`datetime` varchar(65) NOT NULL default '',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

Create file guestbook.php

<table width="400" border="0" align="center" cellpadding="3" cellspacing="0">
<tr>
<td><strong>Test Sign Guestbook </strong></td>
</tr>
</table>
<table width="400" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<form id="form1" name="form1" method="post" action="addguestbook.php">
<td>
<table width="400" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
<tr>
<td width="117">Name</td>
<td width="14">:</td>
<td width="357"><input name="name" type="text" id="name" size="40" /></td>
</tr>
<tr>
<td>Email</td>
<td>:</td>
<td><input name="email" type="text" id="email" size="40" /></td>
</tr>
<tr>
<td valign="top">Comment</td>
<td valign="top">:</td>
<td><textarea name="comment" cols="40" rows="3" id="comment"></textarea></td>
</tr>
<tr>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td><input type="submit" name="Submit" value="Submit" /> <input type="reset" name="Submit2" value="Reset" /></td>
</tr>
</table>
</td>
</form>
</tr>
</table>
<table width="400" border="0" align="center" cellpadding="3" cellspacing="0">
<tr>
<td><strong><a href="viewguestbook.php">View Guestbook</a> </strong></td>
</tr>
</table>

create file addguestbook.php

<?php
$host="localhost"; // Host name 
$username=""; // Mysql username 
$password=""; // Mysql password 
$db_name="test"; // Database name 
$tbl_name="guestbook"; // Table name 

// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect server "); 
mysql_select_db("$db_name")or die("cannot select DB");

$datetime=date("y-m-d h:i:s"); //date time

$sql="INSERT INTO $tbl_name(name, email, comment, datetime)VALUES('$name', '$email', '$comment', '$datetime')";
$result=mysql_query($sql);

//check if query successful 
if($result){
echo "Successful";
echo "<BR>";
echo "<a href='viewguestbook.php'>View guestbook</a>"; // link to view guestbook page 
}

else {
echo "ERROR";
}

mysql_close();
?>

Create file viewguestbook.php

<table width="400" border="0" align="center" cellpadding="3" cellspacing="0">
<tr>
<td><strong>View Guestbook | <a href="guestbook.php">Sign Guestbook</a> </strong></td>
</tr>
</table>
<br>

<?php

$host="localhost"; // Host name 
$username=""; // Mysql username 
$password=""; // Mysql password 
$db_name="test"; // Database name 
$tbl_name="guestbook"; // Table name 

// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect server "); 
mysql_select_db("$db_name")or die("cannot select DB");

$sql="SELECT * FROM $tbl_name";
$result=mysql_query($sql);

while($rows=mysql_fetch_array($result)){
?>
<table width="400" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<td><table width="400" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
<tr>
<td>ID</td>
<td>:</td>
<td><? echo $rows['id']; ?></td>
</tr>
<tr>
<td width="117">Name</td>
<td width="14">:</td>
<td width="357"><? echo $rows['name']; ?></td>
</tr>
<tr>
<td>Email</td>
<td>:</td>
<td><? echo $rows['email']; ?></td>
</tr>
<tr>
<td valign="top">Comment</td>
<td valign="top">:</td>
<td><? echo $rows['comment']; ?></td>
</tr>
<tr>
<td valign="top">Date/Time </td>
<td valign="top">:</td>
<td><? echo $rows['datetime']; ?></td>
</tr>
</table></td>
</tr>
</table>
<BR>
<?
}
mysql_close(); //close database
?>