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/vendor/symfony/http-kernel/DataCollector/ -> MemoryDataCollector.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpKernel\DataCollector;
  13  
  14  use Symfony\Component\HttpFoundation\Request;
  15  use Symfony\Component\HttpFoundation\Response;
  16  
  17  /**
  18   * MemoryDataCollector.
  19   *
  20   * @author Fabien Potencier <fabien@symfony.com>
  21   */
  22  class MemoryDataCollector extends DataCollector implements LateDataCollectorInterface
  23  {
  24      public function __construct()
  25      {
  26          $this->reset();
  27      }
  28  
  29      /**
  30       * {@inheritdoc}
  31       */
  32      public function collect(Request $request, Response $response, \Exception $exception = null)
  33      {
  34          $this->updateMemoryUsage();
  35      }
  36  
  37      /**
  38       * {@inheritdoc}
  39       */
  40      public function reset()
  41      {
  42          $this->data = [
  43              'memory' => 0,
  44              'memory_limit' => $this->convertToBytes(ini_get('memory_limit')),
  45          ];
  46      }
  47  
  48      /**
  49       * {@inheritdoc}
  50       */
  51      public function lateCollect()
  52      {
  53          $this->updateMemoryUsage();
  54      }
  55  
  56      /**
  57       * Gets the memory.
  58       *
  59       * @return int The memory
  60       */
  61      public function getMemory()
  62      {
  63          return $this->data['memory'];
  64      }
  65  
  66      /**
  67       * Gets the PHP memory limit.
  68       *
  69       * @return int The memory limit
  70       */
  71      public function getMemoryLimit()
  72      {
  73          return $this->data['memory_limit'];
  74      }
  75  
  76      /**
  77       * Updates the memory usage data.
  78       */
  79      public function updateMemoryUsage()
  80      {
  81          $this->data['memory'] = memory_get_peak_usage(true);
  82      }
  83  
  84      /**
  85       * {@inheritdoc}
  86       */
  87      public function getName()
  88      {
  89          return 'memory';
  90      }
  91  
  92      private function convertToBytes($memoryLimit)
  93      {
  94          if ('-1' === $memoryLimit) {
  95              return -1;
  96          }
  97  
  98          $memoryLimit = strtolower($memoryLimit);
  99          $max = strtolower(ltrim($memoryLimit, '+'));
 100          if (0 === strpos($max, '0x')) {
 101              $max = \intval($max, 16);
 102          } elseif (0 === strpos($max, '0')) {
 103              $max = \intval($max, 8);
 104          } else {
 105              $max = (int) $max;
 106          }
 107  
 108          switch (substr($memoryLimit, -1)) {
 109              case 't': $max *= 1024;
 110              // no break
 111              case 'g': $max *= 1024;
 112              // no break
 113              case 'm': $max *= 1024;
 114              // no break
 115              case 'k': $max *= 1024;
 116          }
 117  
 118          return $max;
 119      }
 120  }


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