Question

PHP combo box selection

Asked by: arashaga

Hi everyone.
I was trying to get the selected value from a combo box and and insert it into the database. The combo box itself is populated from the database.I am pretty new to PHP so I just need a simple example. basically this value is a relational id that has to be inserted  into the record in the second table.


Thank you all in advance,

<?
require_once("../include/database.php");
 
 
 
 
echo "<select name='project_id' >";
 
$project_sql="select * from project_tb";
$rs = $database->query($project_sql);
 
while($proecjt_rows = mysql_fetch_array($rs))
{
  echo "<option value=\"".$proecjt_rows['prject_id']."\">".$proecjt_rows['project_name']."\n  ";
}
echo "</select>";
}
?>

                                  
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Asked On
2009-06-12 at 14:28:49ID24488057
Topics

PHP Frameworks

,

Asynchronous Javascript and XML (AJAX)

,

PHP and Databases

Participating Experts
1
Points
250
Comments
4

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Answers

 

by: cxrPosted on 2009-06-12 at 15:01:23ID: 24616517

When the form is submitted, the value from the <select> dropdown can be fetched from the $_POST or $_REQUEST array. The $_POST array is only populated if you have method="post" in the form, $_REQUEST is populated for both method="post" and method="get" (and also for URL parameters).

So, to fetch the project id, you can for instance do this:

$project_id = isset($_REQUEST['project_id']) ? (int) $_REQUEST['project_id'] : false;

...and to insert it into the database, something like this:

if($project_id) {
  $sql = "insert into TableName set project_id=$project_id"; # additional columns are probably needed
  mysql_query($sql) or die(mysql_error());
}

 

by: cxrPosted on 2009-07-11 at 08:59:35ID: 24830971

I think my answer http:#a24616517 was correct.

20120131-EE-VQP-002

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