johnballantyne

function GetMultiCellHeight($w, $h, $txt, $border=null, $align='J') {
	// Calculate MultiCell with automatic or explicit line breaks height
	// $border is un-used, but I kept it in the parameters to keep the call
	//   to this function consistent with MultiCell()
	$cw = &$this->CurrentFont['cw'];
	if($w==0)
		$w = $this->w-$this->rMargin-$this->x;
	$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
	$s = str_replace("\r",'',$txt);
	$nb = strlen($s);

johnballantyne

$text = "This is an an example of a MultiCell";
$h = 14; $w = 28;    // Height and width for cells
 
$spaceleft =  $pdf->h - $pdf->GetY() - $pdf->bMargin    // Calculates the space available on the current page
 
$multiCellHeight = $pdf->GetMultiCellHeight($w, $h, $text);    // Calculates what the height of your MultiCell would be
 
if ($multiCellHeight > $spaceleft) {
    $pdf->AddPage()    // Adds a page if there is not enough space available for the MultiCell
}