Code Examples -> On-the-fly drop down menu from a txt or xml file

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PHP Code Examples

Title :	On-the-fly drop down menu from a txt or xml file
Categories :	PHP, XML, HTML and PHP	Eddy DeCoste
Date :	Jan 10th 2001
Grade :	3 of 5 (graded 5 times)
Viewed :	16852
File :	dropdown_menu_from_file.php
Images :	No Images for this code example.

Search :	More code by Eddy DeCoste
Action :	Grade This Code Example
Tools :	My Examples List

Code

<?
//------------------------------------------------------------------------------------------------------------------//
//GMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGMEGME//
//-----------------------------------------------------------------------------------------------------------------//
//
//
//        Description: This script will read in a plain file (ex: txt or xml) and //
//         create and populate a dropdown list/menu. The script examines //
//         a text file, creates an array (elements are seperated by a //
// hard return "\n", then empties the elements into a dropdown //
//
menu. //
//
//
//----------------------------------------------------------------------------------------------------------------//
//
//
//        Useage Example: We had a client who wanted many dropdown list ranging //
//                 in size from 50 elements to 3026+. We didn't feel like //
// retyping all those elements. Through this script we //
// were able to create on-the-fly menus that are easily //
//
edited. //
//
//
//--------------------------------------------------------------------------------------------------------------//
//QTIPQTIPQTIPQTIPQTIPQIPQTIPQTIPQTIPQTIPQTIPQTIPQTIPQTIPQTIPQTIPQTIPQTIPQT//
//--------------------------------------------------------------------------------------------------------------//

//var to hold list location (substitute your own file name and text file)
$your_file = "test.xml";

        //open the file
        $read_your_file = @fopen($your_file, "r") or die ("Couldn't Access $your_file");

        //create a variable to hold the contents of the file
        $contents_your_file = fread($read_your_file, filesize($your_file));

        //array of file contents
        $your_array = explode("\n",$contents_your_file);

        //close the file
        fclose($read_your_file);

        //counts the number elements in the property_categories array
        $num_elmnts_array = count($your_array) ;

//elements in the drop down list
//$drop_elmnts = 0;

//begin creating your dropdown menu...
$your_menu = "<select name=\"you_make_a_name\">";
        //For loop to begin
        for($counter = 0; $counter < $num_elmnts_array; $counter++){
         $your_menu .= "<option value=\"$your_variable\">$your_array[$counter]
</option>";
                $counter++;
        }
//end select menu
$your_menu .= "</select>";
?>
<html>
<head>
<title>Drop Down Menu Generated From a File | GME & Q-tip</title>
</head>
<body>

<p><b>Your Menu</b><br>
<? echo "$your_menu"; ?>

</body>
</html>

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User Comments

	Bill Coker wrote : 505 `For some reason it only counts every other entry in the .txt file 1 not 2 3 not 4 5 not 6 Is there something that I am missing?`
	mike nilsson wrote : 729 `for($counter = 0; $counter < $num_elmnts_array; $counter++){ that line should look like this for($counter = 0; $counter < $num_elmnts_array;){ otherwise it adds 2 times in the counter. Otherwise, this is what I was looking for, thanks`
	eddy decoste wrote : 730 Sorry, I made a mistake :( Original Code: //For loop to begin for($counter = 0; $counter < $num_elmnts_array; $counter++){ $your_menu .= "<option value=\"$your_variable\">$your_array[$counter] </option>"; $counter++; For this to work properly, you are right you must either remove the incrementing of the $counter in the for loop conditionals or at the end of the for loop. Remove one of them and this should work properly. I have written a more advanced version of this using a mysql database and PHP classes. If your interested email me :)
	Marcel Smeets wrote : 1750 `I am interested in the mysql / php code you wrote. Leave a mail adres please where I can reach you?`
	eddy decoste wrote :1751 `ezekiel61 at hotmail.com`