PHP CRM_Utils_File::tempdir方法代碼示例

 /**
  * Get the service for loading code from remotely-available extensions
  *
  * @return CRM_Extension_Downloader
  */
 public function getDownloader()
 {
     if ($this->downloader === NULL) {
         $basedir = $this->getDefaultContainer() ? $this->getDefaultContainer()->getBaseDir() : NULL;
         $this->downloader = new CRM_Extension_Downloader($this->getManager(), $basedir, CRM_Utils_File::tempdir());
     }
     return $this->downloader;
 }

 /**
  * Generate a temporary folder.
  *
  * @param string $prefix
  * @return string
  */
 public function createTempDir($prefix = 'test-')
 {
     $tempDir = CRM_Utils_File::tempdir($prefix);
     $this->tempDirs[] = $tempDir;
     return $tempDir;
 }

 function run()
 {
     if (!file_exists("/usr/bin/pdftk")) {
         CRM_Core_Error::fatal("'pdftk' nicht installiert, Erstellung des Sammel-PDF nicht moeglich");
     }
     require_once 'backend.php';
     $year = CRM_Utils_Request::retrieve('year', 'Positive', $_ = null, true);
     CRM_Utils_System::setTitle("Jahresbescheinigungen {$year}");
     $from_date = "{$year}-01-01 00:00:00";
     if ($year == date("Y")) {
         $to_date = date("Y-m-d");
     } else {
         $to_date = "{$year}-12-31";
     }
     $to_date .= " 23:59:59";
     $params = array("from_date" => $from_date, "to_date" => $to_date, "comment" => "Jahresbescheinigung {$year}");
     // Creating a lot of documents can take quite long...
     set_time_limit(0);
     $result = generate_receipts($params);
     if (!empty($result)) {
         $this->assign("have_result", true);
         /*
          * Create a merged document containing all the individual receipts.
          *
          * The actual merging is done by invoking an external tool (pdftk)
          * with all the individual receipt documents as command line parameters.
          *
          * However, as most operating systems (except GNU Hurd) have a limited maximal command line length,
          * trying to merge all documents in one go would cause an overflow if we have a lot of receipts.
          * Thus, we have to merge them in smaller batches first, before combining these into the final result.
          *
          * We do this in an iterative process, with potentially multiple intermediate levels.
          * This is most probably overkill -- but better safe than sorry :-)
          */
         define('BATCH_SIZE', 1000);
         // With a typical command line length limit of 64 KiB, this should give us enough leeway...
         $tempDir = CRM_Utils_File::tempdir('donationreceipts-');
         $config = CRM_Core_Config::singleton();
         // In the first pass, we start with the individual receipt documents we just generated.
         $inFiles = array_map(function ($elem) {
             return $elem['filename'];
         }, $result);
         $inDir = $config->customFileUploadDir;
         for ($pass = 1, $isFinalPass = false; !$isFinalPass; ++$pass) {
             // Do at least one pass; and further ones as necessary.
             $batches = array_chunk($inFiles, BATCH_SIZE);
             $isFinalPass = !(count($batches) > 1);
             // If the current input files fit into a single batch, we will be done after this pass; otherwise, we need further passes.
             $outFiles = array();
             foreach ($batches as $batchID => $filesInBatch) {
                 // If this is the final pass, the current output will be the actual result file to save; otherwise, we generate temporary files for further merging.
                 $outDir = $isFinalPass ? $config->customFileUploadDir : $tempDir;
                 $baseName = $isFinalPass ? CRM_Utils_File::makeFileName("Jahresbescheinigungen-{$year}.pdf") : "{$pass}-{$batchID}.pdf";
                 $outFile = $outDir . $baseName;
                 $inputs = join(" ", $filesInBatch);
                 system("cd {$inDir} && pdftk {$inputs} cat output {$outFile}");
                 $outFiles[] = $baseName;
                 // If our inputs are temporary results from the previous pass, we can drop them now.
                 if ($inDir == $tempDir) {
                     foreach ($filesInBatch as $file) {
                         unlink($tempDir . $file);
                     }
                 }
             }
             // Outputs from this pass are inputs for next one.
             $inFiles = $outFiles;
             $inDir = $tempDir;
         }
         // for ($pass)
         rmdir($tempDir);
         if (file_exists($outFile)) {
             $session = CRM_Core_Session::singleton();
             $user = $session->get('userID');
             $file_id = saveDocument($user, $baseName, "application/pdf", "Jahresbescheinigungen", date("Y-m-d h:i:s"), $from_date, $to_date, "Sammeldatei Jahresbescheinigungen {$year}");
             $this->assign("url", CRM_Utils_System::url("civicrm/file", "reset=1&id={$file_id}&eid={$user}"));
         } else {
             CRM_Core_Error::fatal("Erstellen des Sammeldokuments fehlgeschlagen");
         }
     }
     /* !empty($result) */
     parent::run();
 }