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<?phprequire("SelectPdf.Api.php");
 
 $testUrl = "https://selectpdf.com/demo/files/selectpdf.pdf";
 $testPdf = "Input.pdf";
 $localFile = "Result.pdf";
 $apiKey = "Your API key here";
 
 echo ("This is SelectPdf-" . SelectPdf\Api\ApiClient::CLIENT_VERSION . ".\n");
 
 try {
 $client = new SelectPdf\Api\PdfMergeClient($apiKey);
 
 // set parameters - see full list at https://selectpdf.com/pdf-merge-api/
 $client
 // specify the pdf files that will be merged (order will be preserved in the final pdf)
 
 ->addFile($testPdf) // add PDF from local file
 ->addUrlFile($testUrl) // add PDF From public url
 // ->addFile($testPdf, "pdf_password") // add PDF (that requires a password) from local file
 // ->addUrlFile($testUrl, "pdf_password") // add PDF (that requires a password) from public url
 ;
 
 echo ("Starting pdf merge ...\n");
 
 // merge pdfs to local file
 $client->saveToFile($localFile);
 
 // merge pdfs to memory
 // $pdf = $client->save();
 
 echo ("Finished! Number of pages: " . $client->getNumberOfPages() . ".\n");
 
 // get API usage
 $usageClient = new \SelectPdf\Api\UsageClient($apiKey);
 $usage = $usageClient->getUsage(true);
 echo("Conversions remained this month: " . $usage["available"] . ".\n");
 
 }
 catch (Exception $ex) {
 echo("An error occurred: " . $ex . ".\n");
 }
 ?>
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