php - readfile function for PDF download issues -

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i know question has been asked, solutions offered not working me. able download pdfs, adobe reader telling me it's either corrupt or decoded improperly. have alternative solution, or possible fix?

$path = "http://www.laerdalmail.com/discoversimulation/downloads/needs_assessment_form.pdf"; header('content-type: application/pdf');  header("content-transfer-encoding: binary");  header("content-disposition: attachment; filename=needs_assessment_form.pdf");  readfile($path);  exit;

readfile should given filesystem path, not url. this:

$path = '/websitefolder/discoversimulation/downloads/needs_assessment_form.pdff'; // or $parh = 'c:\something\needs_assessment_form.pdff';

try adding in content length too:

header('content-transfer-encoding: binary'); header('content-length: ' . filesize($path));

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