html and code

simple bar chart

this simple bar chart doesn't require any image manipulation software on the server.
it's done only in html and uses percentages in tables to show the chart.

full source of simple bar chart [ line 1 - 32 ] | download simple bar chart

1	<?php
2	// total width
3	$total_width = 600;
4	// base color
5	$base_color = 'silver';
6	// add an array per field to show
7	$graphs = array(
8	array('label'=>'whatever', 'color'=>'red', 'amount'=>'30'),
9	array('label'=>'more here', 'color'=>'green', 'amount'=>'36'),
10	array('label'=>'just an example', 'color'=>'blue', 'amount'=>'82'),
11	array('label'=>'even more', 'color'=>'orange', 'amount'=>'4'),
12	);
13	for($x = 0; $x < count($graphs); $x++)
14	{
15	echo '
16	<table width="'.$total_width.'">
17	<tr>
18	<td colspan="2">
19	'.$graphs[$x]['label'].'
20	</td>
21	</tr>
22	<tr>
23	<td width="'.$graphs[$x]['amount'].'%" bgcolor="'.$graphs[$x]['color'].'">
24	'.$graphs[$x]['amount'].'%
25	</td>
26	<td width="'.(100-$graphs[$x]['amount']).'%" bgcolor="'.$base_color.'">
27
28	</td>
29	</tr>
30	</table>';
31	}
32	?>

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