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este es mi codigo
Código PHP:
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<?php // content="text/plain; charset=utf-8" require_once('jpgraph/jpgraph.php'); require_once('jpgraph/jpgraph_bar.php'); //$datay1=array(13,8,19,7,17,6); //$datay2=array(4,5,2,7,5,25); $servidor = 'localhost'; $bd = 'indumontes'; $usuario = 'postgres'; $contrasenia = 'hoe798cs'; $tabla = 'factura'; global $servidor, $bd, $usuario, $contrasenia; $db = new PDO('pgsql:host=' . $servidor . ';dbname=' . $bd, $usuario, $contrasenia); $consulta = $db->prepare("SELECT vendedor,total FROM $tabla"); $consulta->execute(); while($fila = $consulta->fetch(PDO::FETCH_ASSOC)) { $datay1[] = $fila[0]; $datay2[] = $fila[1]; } // Create the graph. $graph = new Graph(550,300); $graph->SetScale('textlin'); $graph->SetMarginColor('white'); // Setup title $graph->title->Set('Acc bar with gradient'); // Create the first bar $bplot = new BarPlot($datay1); $bplot->SetFillGradient('AntiqueWhite2','AntiqueWhite4:0.8',GRAD_VERT); $bplot->SetColor('darkred'); // Create the second bar $bplot2 = new BarPlot($datay2); $bplot2->SetFillGradient('olivedrab1','olivedrab4',GRAD_VERT); $bplot2->SetColor('darkgreen'); // And join them in an accumulated bar $graph->Add($accbplot); $graph->Stroke(); ?>
que estoy haciendo mal?