How do i...send attachment that is need to convert jasper report url to pdf and attach that pdf to mail

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PHP

Angular6

I need to send attachment that is needed to convert Jasper report url to pdf and attach that pdf to mail.

What I have tried:

While I use this mentioned code, convert jasper report url to pdf, it does not read the content, it only generates pdf that pdf contains instead of content...
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require_once(APPPATH."third_party/dompdf/dompdf_config.inc.php");
$dompdf = new Dompdf();
$jasperReportUrl = 'jasper report url contains username and password and ip.....';
 
// Initialize cURL session
$ch = curl_init($jasperReportUrl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$reportContent = curl_exec($ch);

if ($reportContent === false) {
    echo 'cURL Error: ' . curl_error($ch);
} else {
    $dompdf->load_html($reportContent);
    $dompdf->set_paper('A4', 'portrait');
    ini_set('memory_limit', '256M');
    set_time_limit(300);
    $dompdf->render();
    $pdfFilePath = 'file path';
    file_put_contents($pdfFilePath, $dompdf->output());
   
    $this->email->attach($pdfFilePath);
}

   curl_close($ch);