How can PHP libraries like jpgraph and dompdf be utilized to create graphs and convert them into PDFs?

To create graphs and convert them into PDFs using PHP libraries like jpgraph and dompdf, you can first generate the graph using jpgraph, save it as an image, and then use dompdf to convert the image into a PDF. 

// Include jpgraph and dompdf libraries
require_once('jpgraph/jpgraph.php');
require_once('dompdf/autoload.inc.php');

// Create a graph using jpgraph
$graph = new Graph(800,600);
$graph->SetScale('textlin');
$graph->title->Set('Example Graph');
$graph->xaxis->title->Set('X-axis');
$graph->yaxis->title->Set('Y-axis');
$lineplot = new LinePlot(array(1,2,3,4,5));
$graph->Add($lineplot);

// Save the graph as an image
$graph->Stroke('graph.jpg');

// Use dompdf to convert the image into a PDF
$dompdf = new Dompdf\Dompdf();
$dompdf->loadHtml('<img src="graph.jpg">');
$dompdf->render();
$dompdf->stream('graph.pdf');

Keywords

PHP jpgraph dompdf graphs PDFs

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