📄 php-swf charts tutorial chart_source.htm
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<P> </P>
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<P><B><BIG>Chart Source</BIG></B></P>
<P> </P>
<P><B>Passing variables to Chart Source</B></P>
<P>Pass variables to the chart's source in the query part of the
source's URL like this:</P><!-- PHP -------------------------------------->
<P></P>
<TABLE cellPadding=10 border=0>
<TBODY>
<TR>
<TD class=php><FONT size=3><PRE><HTML>
<BODY bgcolor="#FFFFFF">
<?php
include "charts.php";
echo InsertChart ( "charts.swf", "charts_library", "sample.php?chart_type=bar&user_id=658" );
?>
</BODY>
</HTML>
</PRE></FONT></TD></TR></TBODY></TABLE>
<P></P><!-- PHP -------------------------------------->
<P> </P>
<P>The <B>sample.php</B> source might read the variables and
generate the chart's data like this:</P><!-- PHP -------------------------------------->
<P></P>
<TABLE cellPadding=10 border=0>
<TBODY>
<TR>
<TD class=php><FONT size=3><PRE>
<?php
<FONT color=#888888>//include charts.php in your script</FONT>
include "charts.php";
<FONT color=#888888>//read the query variables</FONT>
$type = $_REQUEST['chart_type'];
$id = $_REQUEST['user_id'];
if ( $id==658 ){
<FONT color=#888888>//make the chart type the same as the $type variable for user #658</FONT>
$chart [ 'chart_type' ] = $type;
}else{
<FONT color=#888888>//make it a line chart for all other users</FONT>
$chart [ 'chart_type' ] = "line";
}
<FONT color=#888888>//send the chart data to the charts.swf flash file</FONT>
SendChartData ( $chart );
?>
</PRE></FONT></TD></TR></TBODY></TABLE>
<P></P><!-- PHP -------------------------------------->
<P> </P>
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<P><B>Debugging</B></P>
<P>To debug the source code, type the URL of the source file
directly in a browser. If the source script contains errors, then
the browser should display them. If it does not contain errors, then
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