在 Php(moodle) 中下载所有证书的问题

Question

Code to download all certificates:

    <?php
    require_once('../../config.php');
    global  $DB,$CFG;
    $certlist = $_POST['select_cert'];
    print_r($certlist);  

    $files = array('niBMkaooT.jpg');
    $zip = new ZipArchive();
    $zip_name = time().".zip"; 
    $zip->open($zip_name,  ZipArchive::CREATE);
    foreach ($files as $file) {
      $path = $file;
      if(file_exists($path)){
      $zip->addFromString(basename($path),  file_get_contents($path));  
      }
      else{
      echo"file does not exist";
      }
    }
    $zip->close();
    ?>



      if($certificate!=''){  
          echo "<input type='checkbox' class='checkboxcert' name='select_cert[]' value='$certificate'>";
        }
      echo "</td>";
      echo "<td>";

Also below i am getting $certificate and when i am downloading individual certificates this is working fine. But when selecting multiple document i am not able to download all

    $certificate = get_certificate($userid,$c_id);

Please find the array which i have printed (print_r($certlist))

Array ( [0] => https://google.com/lms/plufile.php/69402/mod_certificate/issue/484123/Abu 2021_Abu, Neglecting, and Exploitation.pdf [1] =>

Please advise what changes are required?`

Answer 1

The certificate PDF isn't always saved, so the file might not always be available

I'd suggest creating and saving the PDF in your own code

Have a look at how the PDF is saved in the view code

https://github.com/mdjnelson/moodle-mod_certificate/blob/master/view.php

if ($certificate->savecert == 1) {
    certificate_save_pdf($filecontents, $certrecord->id, $filename, $context->id);
}

Then work backwards from there to see how the variables are created

eg. $USER is the current user

$certrecord = certificate_get_issue($course, $USER, $certificate, $cm);

So you will need to replace that with the required $user in your code

$certrecord = certificate_get_issue($course, $user, $certificate, $cm);