Try this:

<?php
    $sxml = simplexml_load_file('graph.xml');
    $sxml2 = simplexml_load_file('graphier.xml');
    var_dump($sxml);
    var_dump($sxml2);
?>

On Wednesday, October 24, 2012 5:09:07 AM UTC-4, thecatz wrote:
>
> Finally i realy don't understand what i ve to do :)  sorry !
>
> where i've to put this :
>
> var_dump($sxml->Row);
> var_dump($sxml2->Row);
>
> thx for your help !
>
> <html>
>   <head>
>     <script type="text/javascript" src="https://www.google.com/jsapi
> "></script>
>     <script type="text/javascript">
>     google.load('visualization', '1', {packages: ['corechart']});
>     google.setOnLoadCallback(drawChart);
>
>     function drawChart () {
>     var data = new google.visualization.DataTable();
>     data.addColumn('string', 'heures');
>     data.addColumn('number', 'today');
>     data.addColumn('number2', 'yesterday');
>
>    <?php
>     $sxml = simplexml_load_file('graph.xml');
>     $sxml2 = simplexml_load_file('graphier.xml');
>     foreach ($sxml->Row as $hey=>$row){
>         echo "data.addRow([ '{$row[Dim1]}', {$row[Metric1]} , 
> {$sxml2->Row[$hey][Metric1]}]);";
>     }
> ?>
>
>       var options = {
>           title: 'test',
>           hAxis: {title: 'heures',  titleTextStyle: {color: 'red'}}
>         };
>
>       }
>     </script>
>
>
>   </head>
>   <body>
>     <div id="chart_div" style="width: 900px; height: 500px;"></div>
>   </body>
> </html>
>
>

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