private function SpiController::hashPath in Acquia Connector 8

Same name and namespace in other branches

1. 8.2 src/Controller/SpiController.php \Drupal\acquia_connector\Controller\SpiController::hashPath()
2. 3.x src/Controller/SpiController.php \Drupal\acquia_connector\Controller\SpiController::hashPath()

Calculate the sha1 hash for a path.

Parameters

string $path: The name of the file or a directory.

Return value

string base64 encoded sha1 hash. 'hash' is an empty string for directories.

File

src/Controller/SpiController.php, line 761

Class

SpiController

SPI Controller class.

Namespace

Drupal\acquia_connector\Controller

Code

private function hashPath($path = '') {
  $hash = '';
  if (file_exists($path)) {
    if (!is_dir($path)) {
      $string = file_get_contents($path);

      // Remove trailing whitespace.
      $string = rtrim($string);

      // Replace all line endings and CVS/svn Id tags.
      $string = preg_replace('/\\$Id[^;<>{}\\(\\)\\$]*\\$/', 'x$' . 'Id$', $string);
      $string = preg_replace('/\\r\\n|\\n|\\r/', ' ', $string);
      $hash = base64_encode(pack("H*", sha1($string)));
    }
  }
  return $hash;
}