php - what is the best way the save fpdf into database? -

i'm new in php , want saving pdf database know best way save fpdf database? i'm using blob type save content of pdf want file pdf read table , see content when clicked file.

my code content is:

$query = "select nomeuser,email,nomevoucher,categoria,preco,confirmacao,filepdf historico limit $start, $per_page"; while ($stmt->fetch()) {          if($confirmacao == "a confirmar"){         echo("<tbody >");                    echo("<tr><td>$nomeuser</td>");         echo "<td>$email</td>";         echo("<td >$nomevoucher</td>");         echo("<td >$categoria</td>");         echo("<td>$preco €</td>");         echo("<td>$confirmacao</td>"); 

filepdf name save content of fpdf how can this?