How can the jpgraph documentation be effectively utilized to troubleshoot issues with displaying values on a line graph in PHP?

To troubleshoot issues with displaying values on a line graph in PHP using jpgraph, refer to the jpgraph documentation for guidance on customizing the display of values on the graph. This can include adjusting the format of the values, positioning them correctly, or displaying them in a specific way. 

// Example code snippet to display values on a line graph using jpgraph
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_line.php');

// Create the graph
$graph = new Graph(400,300);
$graph->SetScale('textlin');

// Create the line plot
$lineplot = new LinePlot($data);
$lineplot->value->Show();
$lineplot->value->SetFormat('%d'); // Set the format of the values

// Add the line plot to the graph
$graph->Add($lineplot);

// Display the graph
$graph->Stroke();

Keywords

jpgraph documentation line graph troubleshooting values

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