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   1  <?php
   2  /**
   3   * Mime Type: text/csv
   4   * @author Raja Kapur <[email protected]>
   5   */
   6  
   7  namespace Httpful\Handlers;
   8  
   9  class CsvHandler extends MimeHandlerAdapter
  10  {
  11      /**
  12       * @param string $body
  13       * @return mixed
  14       */
  15      public function parse($body)
  16      {
  17          if (empty($body))
  18              return null;
  19  
  20          $parsed = array();
  21          $fp = fopen('data://text/plain;base64,' . base64_encode($body), 'r');
  22          while (($r = fgetcsv($fp)) !== FALSE) {
  23              $parsed[] = $r;
  24          }
  25  
  26          if (empty($parsed))
  27              throw new \Exception("Unable to parse response as CSV");
  28          return $parsed;
  29      }
  30  
  31      /**
  32       * @param mixed $payload
  33       * @return string
  34       */
  35      public function serialize($payload)
  36      {
  37          $fp = fopen('php://temp/maxmemory:'. (6*1024*1024), 'r+');
  38          $i = 0;
  39          foreach ($payload as $fields) {
  40              if($i++ == 0) {
  41                  fputcsv($fp, array_keys($fields));
  42              }
  43              fputcsv($fp, $fields);
  44          }
  45          rewind($fp);
  46          $data = stream_get_contents($fp);
  47          fclose($fp);
  48          return $data;
  49      }
  50  }