How can FPDF be used to determine the size of the body and where it starts?

To determine the size of the body and where it starts in FPDF, you can use the `GetY()` method to get the current vertical position of the document pointer, which indicates where the body starts. You can also use the `GetPageHeight()` method to get the height of the page, and subtract the current position from it to get the size of the body. 

require('fpdf.php');

$pdf = new FPDF();
$pdf->AddPage();

// Get the current vertical position (where the body starts)
$bodyStart = $pdf->GetY();

// Add content to the PDF

// Get the height of the page
$pageHeight = $pdf->GetPageHeight();

// Calculate the size of the body
$bodySize = $pageHeight - $bodyStart;

$pdf->Output();

Keywords

FPDF PHP body size starting position positioning.

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