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Save a MySQL result set to the local machine
Using MySQL Databases in PHP Pages example from a Well House Consultants training course
More on Using MySQL Databases in PHP Pages [link]

This example is described in the following article(s):
   • Saving a MySQL query results to your local disc for Excel - [link]
   • PHP header() function - uses and new restrictions - [link]

If you're searching for a page where you can try this code, select here

This example references the following resources:
http://www.wellho.net/resources/ex.php4?item=h113/aos.php
http://www.wellho.net/mouth/581_.html
http://www.wellho.net/mouth/1210_.html
http://www.grahamellis.co.uk/
http://www.wellho.net/

Source code: aos.php Module: H113
<?php

// Run a MySQL query, and send the results to the user
// suitable for import to a spreadsheet.

$error 0;
if (
$_REQUEST[sql]) {
        
$query stripslashes($_REQUEST[sql]);

// Following line forces a specific query and ignores
// user input as a demo - REMOVE for real use
        
$query 'select * from agents where town = "Trowbridge"';

// Following lines to be changed to reflect your MySQL login
// and the database you wish to query
        
mysql_connect("localhost","trainee","abc123");
        
mysql_select_db("trainee");

        if (! 
$rset = @mysql_query($query)) {
                
$error 1;
        } else {
                
$result "";
                
$outtype "Content-type: application/octet-stream";

// Change following line to reflect the name of the file
// you want (you could add an extra input box)
//              $outtype .= 'Content-disposition: attachment; filename="x.csv"';
// Previous line REPLACED by 2 lines
                
header($outtype);
                
$outtype 'Content-disposition: attachment; filename="x.csv"';
// Due to changes to header function from PHP 4.4.2 which no longer allows
// a \n within header for security reasond (injection attack) that were not
// relevant in our example.

                
header($outtype);
                while (
$row mysql_fetch_row($rset)) {
                        for (
$col=0$col<count($row); $col++) {

// Change following line if you want to change your field separator
// You would use "\t" for a tab delimited file for Excel, for example
                                
if ($col 0$result .= ",";

// Simplify following line is you do NOT want fields surrounded by quotes
                                
$result .= '"'.addslashes($row[$col]).'"';

                        }

// Change following line to change your end of line character
                        
$result .= "\n";

                }
                print (
$result);
                exit();
        }
}
// The following is the HTML form and page that's used to get the
// database enquirer to enter his/her request.
?>
<html>
<head><title>SQL Tool</title></head>
<body><h1>Run an SQL query, return a .csv file</h1>
This page runs a MySQL query and returns the result as a .csv file
which you can save through your browser.<hr>
<?php if ($error) { ?>
<font color=red>Error in your SQL - Query failed. Please correct!</font><br>
<?php ?>
<form method=post>
Query <input name=sql size=60 value="<?= htmlspecialchars($_REQUEST[sql]) ?>">
<br><input type=submit>
</form><br>
<i>Note - for the purpose of this demonstration we have hardwired a simple
query against our database and THAT is what the example runs, no matter what
you type into the box (just don't leave it blank).<br><br>
The source code is on our web site
<a href=http://www.wellho.net/resources/ex.php4?item=h113/aos.php>here</a>
so that you can take a copy, adapt it for your use if it's suitable,
and so on.<br><br>
More about this example <a href=http://www.wellho.net/mouth/581_.html>On
the Horse's Mouth</a>.
Also <a href=http://www.wellho.net/mouth/1210_.html>an update here</a>
</i><hr>
<a href=http://www.grahamellis.co.uk/>Graham Ellis</a> /
<a href=http://www.wellho.net/>Well House Consultants</a> /
<?= date("Y"?>
</body>
</html>

Learn about this subject
This module and example are covered on the following public courses:
 * Learning to program in PHP
 * PHP Programming
 * MySQL
Also available on on site courses for larger groups

Books covering this topic
Yes. We have over 700 books in our library. Books covering PHP are listed here and when you've selected a relevant book we'll link you on to Amazon to order.

Other Examples
This example comes from our "Using MySQL Databases in PHP Pages" training module. You'll find a description of the topic and some other closely related examples on the "Using MySQL Databases in PHP Pages" module index page.

Full description of the source code
You can learn more about this example on the training courses listed on this page, on which you'll be given a full set of training notes.

Many other training modules are available for download (for limited use) from our download centre or under an Open Training Notes License from our sister site http://www.training-notes.co.uk.

Other resources
• Our Solutions centre provides a number of longer technical articles.
• Our Opentalk forum archive provides a question and answer centre.
The Horse's mouth provides a daily tip or thought.
• Further resources are available via the resources centre.
• All of these resources can be searched through through our search engine
• And there's a global index here.

Web site author
This web site is written and maintained by Well House Consultants.

Purpose of this website
This is a sample program, class demonstration or answer from a training course. It's main purpose is to provide an after-course service to customers who have attended our public private or on site courses, but the examples are made generally available under conditions described below.

Conditions of use
Past attendees on our training courses are welcome to use individual examples in the course of their programming, but must check the examples they use to ensure that they are suitable for their job. Remember that some of our examples show you how not to do things - check in your notes. Well House Consultants take no responsibility for the suitability of these example programs to customer's needs.

This program is copyright Well House Consultants Ltd. You are forbidden from using it for running your own training courses without our prior written permission. See our page on courseware provision for more details.

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