Storing Checkbox & other text data into MYSQL Database

callingrohit · November 1, 2006

Hello everyone,

I'm facing a problem in storing the multiple checkbox values on only one row of the MYSQL database.

As in when a single person enters his data along with his name and other details. On the MySQL it would look like

id name phone checkbox_values

1 abc 89898989 value1,value2

Unfortunately I'm unable to achieve this. What I get is ---

id name phone checkbox_values

1 abc 89898989 NULL
2 value1
3 value2

Following is the HTML code -

[code]<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<HEAD>
<TITLE>Form Handling with PHP</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<FORM METHOD=POST ACTION="add.php">
<input type="hidden" name="id" value="NULL">
<TABLE>
<TR height="20">
<TD colspan="2"><FONT SIZE="+0" face="verdana"> Below is a Sample Form </TD>
</TR>
<TR height="50">
<td></td>
</TR>
<TR>
<TD align="left"><FONT SIZE="+0" face="verdana"> <b>Your Name <br>
Your E-Mail Address</b></td>
<td><INPUT TYPE="text" NAME="name">
<br>
<INPUT TYPE="text" NAME="email">
</TD>
</TR>
<tr>
<td colspan="2"><center>
<SELECT NAME="opinion">
<option value="is great">I like your site</option>
<option value="is OK">Your Site is OK</option>
<option value="is horrible">Your Site is horrible</option>
</SELECT>
</td>
</tr>
<tr>
<td align="right">
<p>How will you travel <br>to work? *<br> <span class="style18">(Please tick the applicable boxes)</b></span></p>
</td>
<td colspan="2"><input type="checkbox" name="type_transport[]" value="car" style="width:20px">
Own Car   <input type="checkbox" name="type_transport[]" value="public transport" style="width:20px">
Public Transport   <p> <input type="checkbox" name="type_transport[]" value="bike" style="width:20px">
Bike   <input type="checkbox" name="type_transport[]" value="walk" style="width:20px">
Walk   <p> <input type="checkbox" name="type_transport[]" value="other" style="width:20px">
Other<br>
<br>
</td>
</tr>
<tr><td>
<INPUT TYPE="submit" value="Tell us!">
</td></tr>
</TABLE>
<p> </p>
</FORM>
</BODY>
</HTML>
[/code]

Here's the PHP code

[code]
<?
$DBhost = "my-host-name";
$DBuser = "my-username";
$DBpass = "my-password";
$DBName = "my-database-name";
$table = "information";
mysql_connect($DBhost,$DBuser,$DBpass) or die("Unable to connect to database");

@mysql_select_db("$DBName") or die("Unable to select database $DBName");

$sqlquery = "INSERT INTO $table VALUES('$id','$name','$email','$opinion')";

$results = mysql_query($sqlquery);

$tt_count=count($type_transport);

for ($i=0; $i < $tt_count; $i++) {
$insertquery = "INSERT INTO $table (type_transport) VALUES('$type_transport."')";
$results_1 = mysql_query($insertquery);
}

mysql_close();

echo "Thank You";
?>
[/code]

Any help would be highly appreciated....

thanks
rohit

Daniel0 · November 1, 2006

You could store it as a serialized array:
[code]<?php
$values = array(
'checkbox1' => $_POST['checkbox1'],
'checkbox2' => $_POST['checkbox2'],
'checkbox3' => $_POST['checkbox3'],
);

$values = serialize($values);
?>[/code]

callingrohit · November 2, 2006

Thanks for your reply daniel. I've used php but i'm very new with mysql and php.

I know you wrote the code but I can't figure out where exactly and how it will fit into my code
bcoz all the checkboxes are gng into a single array..

cheers
rohit

callingrohit · November 2, 2006

hi daniel,

I tried something here.... I changed my code like you said with serialization and it looks like this

[code]
<snip>
$sqlquery = "INSERT INTO $table VALUES('$id','$name','$email','$opinion')";
$results = mysql_query($sqlquery);

$type_transport=serialize($_POST['type_transport']); //type_transport is the checkbox field and is an array
$insertquery = "INSERT INTO $table (type_transport) VALUES('$type_transport')";
$results_1 = mysql_query($insertquery);
[/code]

Once done, I check my database table and this is what I get (I exported the single row as a SQL file ---displayed below)

[code]
--
-- Table structure for table `information`
--

CREATE TABLE `information` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(50) default NULL,
`email` varchar(50) default NULL,
`opinion` varchar(30) default NULL,
`type_transport` varchar(70) default NULL,
PRIMARY KEY (`id`)
) TYPE=MyISAM AUTO_INCREMENT=8 ;

--
-- Dumping data for table `information`
--

INSERT INTO `information` VALUES (7, NULL, NULL, NULL, 'a:1:{i:0;s:3:"car";}');
//car is the correct checkbox which I had checked but why didn't the name,email and opinion fields get populated ?????

[/code]

cheers
vivek

callingrohit · November 2, 2006

Hi,

I solved the problem by combining the 2 insert statements and so now my code looked like this

[code]
<snip>
$type_transport=serialize($_POST['type_transport']);
$insertquery = "INSERT INTO $table (id,name,email,opinion,type_transport) VALUES('$id','$name','$email','$opinion','$type_transport')";
$results_1 = mysql_query($insertquery);
<snip>
[/code]

Now, all the data has reached properly into the appropriate columns. If I were to display the items back onto HTML, I do know I would have to choose UNSERIALIZE but would it come in a single row as in if I chose multiple options - car, walk, other. When displayed onto the HTML - will it come out under the column "TYPE of TRANSPORT" as car,walk,other or would that be on 3 different rows ???

Also, could you please tell me what does this statement do? ?? --- TYPE=MyISAM AUTO_INCREMENT=8 ;

cheers
vivek

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