error on the graph code

[khemlal_chhetri]

hi
I have gone through your nine steps in drawing a graph in php and it is not working on my machine. I have downloaded the bargraph generator and have also pasted in my root folder. i created a file named test.php and wrote the code you have shown in your good tutorial. But the error says "The image “http://localhost/disaster/dmis/application/views/scripts/pages/test.php” cannot be displayed, because it contains errors." and i cant locate where the error lies.
I have tables of name individual and casualty and my mysql details are database name = dmis, username = dmis, and password too is dmis. I have changed all this but still not working.

please help me to generate graph as i am in need.

Thank you.

[big_nerd]

Hi there,

You will have to post your code for 'test.php' as well as let us know exactly what bargraph generator you have downloaded.

If that bargraph generator is Free & Open Source, it would help to post the portion of code you are trying to use, but at bare minimum tell us which generator it is, there are many, many out there.

If it is a commercial product I'd recommend visiting the selling companies forums, and look for support as they will often be the best to support you, as whatever you are using, you will have to rely on someone here having used it before.

Once you post the info, we can try to help you.

[khemlal_chhetri]

Hi nerd,
Thank you for your concern on my errors. I am sending you the code for test.php as follows:

Test.php

<?php
header ("Content-type: image/png");
$im = imagecreatefrompng ("graphtemp.png");
$red = imagecolorallocate ($im, 255, 0, 0);
$black = imagecolorallocate ($im, 0, 0, 0);
mysql_connect("localhost", "dmis", "dmis");
mysql_query("USE dmis");
$optionsquery = mysql_query("SELECT FROM individuals");
$numoptions = mysql_num_rows($optionsquery);
$pollquery = mysql_query("SELECT FROM casualty");
$numvotes = mysql_num_rows($pollquery);
$xval = 30;
$barwidth = floor(300/$numoptions);
for ($i=0;$i<=($numoptions-1);$i++)
{
$voteoption = mysql_result($optionsquery,$i,'name');
$votevalue = mysql_result($optionsquery,$i,'value');
$currentnumquery = mysql_query("SELECT count() FROM casualty WHERE pid='$votevalue'");
$currentnum = mysql_num_rows($currentnumquery);
$per = floor(($currentnum/$numvotes)184);
$rper = floor(($currentnum/$numvotes)*100);
imagefilledrectangle ($im, $xval, (200-$per), ($xval+$barwidth), 200, $red);
imagerectangle ($im, $xval, (200-$per), ($xval+$barwidth), 200, $black);
imagestring ($im, 1, ($xval+($barwidth/2)), 205, $voteoption, $black);
imagestring ($im, 2, ($xval+($barwidth/2)), ((200-$per)-15), "$rper%", $bla);
$xval+=($barwidth+10);
}
imagepng($im);
?>

And the bargraph generator was downloaded from your website www.phpbuilder.com and the name of the generator is PHP BARGRAPH GENERATOR.

So please look into my code and let me know soon.
Thank You