function _field_file_cache in FileField 6.2

Same name and namespace in other branches

1. 6.3 field_file.inc \_field_file_cache()

Internal cache, in order to minimize database queries for loading files.

4 calls to _field_file_cache()

field_file_delete in ./field_file.inc

Delete a field file and its database record.

field_file_load in ./field_file.inc

Load a file object from the database.

field_file_save in ./field_file.inc

Update an field item file. Delete marked items if neccessary and set new items as permamant.

field_file_save_upload in ./field_file.inc

Save a file upload to a new location. The source file is validated as a proper upload and handled as such. By implementing hook_file($op = 'insert'), modules are able to act on the file upload and to add their own properties to the file.

File

./field_file.inc, line 176

Common functionality for file handling CCK field modules.

Code

function _field_file_cache($file = NULL, $reset = FALSE) {
  static $files = array();

  // Reset internal cache.
  if (is_object($reset)) {

    // file object, uncache just that one
    unset($files[$reset->fid]);
    unset($files[$reset->filepath]);
  }
  else {
    if ($reset) {

      // TRUE, delete the whole cache
      $files = array();
    }
  }

  // Cache the file by both fid and filepath.
  // Use non-copying objects to save memory.
  if (isset($file)) {
    $files[$file->fid] = $file;
    $files[$file->filepath] = $file;
  }
  return $files;
}