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Title : Ultimate Column Generator
Categories : PHP, HTML and PHP Click here to Update Your Picture
Sarah King
Date : Aug 23rd 2004
Grade : 4 of 5 (graded 3 times)
Viewed : 13345
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Author Sarah King
Demo http://sarahk.pcpropertymanager.com/muck/ultimate_columns.php

This example makes it easier for columns of groups of data to be arranged in columns, rather than in a standard list down the page.

There are a few extra bits in here to make it possible to run this as an example on your own servers.

Got questions? Add a comment or ask at http://www.weberforums.com


Wee function to make getting $_GET data easier
I sometimes add security checks etc in here
function getGetVar($name, $default)
<?php
   
global $_GET;
    if (isset(
$_GET[$name])) $output = $_GET[$name];
    else
$output = $default;
    return
$output;
}
//getGetVar($name, $default)

/* Used to generate some dummy data */
function getData($items, $debug=false)
{
   
$output = array();
   
$num = 0;
    for (
$i = 1; $i <= $items; $i++)
    {
       
$num = rand($num, $num + 100);
       
$output[] = $num;
    }
    if (
$debug) var_dump_extra($output);
    return
$output;
}
//getData($items)

/////////////////////////////////////
/* The secret behind the generator */
/////////////////////////////////////
function getColInfo($columns, $debug=false)
{
   
$output = array();
    for (
$i = 0; $i <= $columns; $i++)
    {
       
$output[$i] = array('next' => $i+1, 'start' => '', 'end' => '');
    }
   
$output[0]['start']       = '<tr>';
   
$output[$columns]['end']  = '</tr>';
   
$output[$columns]['next'] = 0;
    if (
$debug) var_dump_extra($output);
    return
$output;
}

/* Normally you would have a predefined number of columns so no need
*  for this part of the code
*/
   
$columns = getGetVar('columns',2);
   
$items = getGetVar('items', 10);

   
$columns--;
   
$columns = max($columns, 1);
   
$columns = min($columns, 8);
   
   
$items = max($items, $columns);
   
$items = min($items, 100);
   
   
$debug = (getGetVar('debug',0)==1);
   
$live = (getGetVar('live',0)==1);
/* end of "demo only" code */

//get the structural information about the data
$colInfo = getColInfo($columns, $debug);

echo
"<table border='1' cellpadding='4' cellspacing='0'>";
//toggle controls the column count
$toggle = 0;
//rowclass controls the striping of the rows and requires a stylesheet to have
//classes called row0 and row1
$rowclass = 0;

if (
$live)
{
   
//call the database with a query and get back some data
   
$result = getLiveResult($items);
    while(
$row = mysql_fetch_array($result))
    {
       
$name = stripslashes($row['name']);
       
$description = stripslashes($row['description']);
        echo
"{$colInfo[$toggle]['start']}<td align='top' class='row{$rowclass}'>
        <a href='http://www.pcpropertymanager.com/wsn{$row['id']}_1display.html'
        title='{$name}' target='_blank'>{$name}</a><br>
        {$description}
        </td>{$colInfo[$toggle]['end']}"
;
       
$toggle = $colInfo[$toggle]['next'];
        if (
$toggle == 0) $rowclass = 1 - $rowclass;
    }
}
else
{
   
//this would normally be a database query
   
$result = getData($items, $debug);
   
    foreach(
$result as $item)
    {
        echo
"{$colInfo[$toggle]['start']}
        <td class='row{$rowclass}'>{$item}</td>{$colInfo[$toggle]['end']}"
;
       
$toggle = $colInfo[$toggle]['next'];
        if (
$toggle == 0) $rowclass = 1 - $rowclass;
    }
}

if (
$toggle > 0) echo '</tr>';
echo
'</table>';
?>



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