protected function FileSystemBackend::getFile in File Cache 8

Returns the raw, unprepared cache item from the given file.

Parameters

string $filename: The path or stream wrapper URI of the file to load.

Return value

object|null The raw, unprepared cache item or NULL if the file does not exist or does not contain a serialized cache item.

3 calls to FileSystemBackend::getFile()

FileSystemBackend::garbageCollection in src/Cache/FileSystemBackend.php

Performs garbage collection on a cache bin.

FileSystemBackend::get in src/Cache/FileSystemBackend.php

Returns data from the persistent cache.

FileSystemBackend::invalidateAll in src/Cache/FileSystemBackend.php

Marks all cache items as invalid.

File

src/Cache/FileSystemBackend.php, line 407

Class

FileSystemBackend

A cache backend that stores cache items as files on the file system.

Namespace

Drupal\filecache\Cache

Code

protected function getFile($filename) {
  if (is_file($filename)) {
    $serialized_contents = file_get_contents($filename);
    if ($serialized_contents !== FALSE) {
      $item = unserialize($serialized_contents);

      // Only return the item if it could be successfully deserialized.
      if ($item !== FALSE) {
        return $item;
      }
    }
  }
  return NULL;
}