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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <[email protected]>
   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\VarDumper\Dumper\ContextProvider;
  13  
  14  /**
  15   * Tries to provide context on CLI.
  16   *
  17   * @author Maxime Steinhausser <[email protected]>
  18   */
  19  final class CliContextProvider implements ContextProviderInterface
  20  {
  21      public function getContext(): ?array
  22      {
  23          if ('cli' !== \PHP_SAPI) {
  24              return null;
  25          }
  26  
  27          return [
  28              'command_line' => $commandLine = implode(' ', $_SERVER['argv'] ?? []),
  29              'identifier' => hash('crc32b', $commandLine.$_SERVER['REQUEST_TIME_FLOAT']),
  30          ];
  31      }
  32  }