function file_feeds_file_compare in Feeds 7.2

Compares two files to determine if they are the same.

Parameters

string $file1: The path to the first file to compare.

string $file2: The path to the second file to compare.

Return value

bool TRUE if the files are the same. FALSE otherwise.

5 calls to file_feeds_file_compare()

FeedsMapperFileTestCase::testFileExistsRenameIfDifferent in tests/feeds_mapper_file.test

Test mapping of local resources with the file exists "Rename if different" setting.

FeedsMapperFileTestCase::testFileExistsReplace in tests/feeds_mapper_file.test

Test mapping of local resources with the file exists "Replace" setting.

FeedsMapperFileTestCase::testFileExistsReplaceIfDifferent in tests/feeds_mapper_file.test

Test mapping of local resources with the file exists "Replace if different" setting.

FeedsMapperFileTestCase::testFileExistsSkip in tests/feeds_mapper_file.test

Test mapping of local resources with the file exists "Skip existig" setting.

file_feeds_set_target in mappers/file.inc

Callback for mapping file fields.

File

mappers/file.inc, line 272

On behalf implementation of Feeds mapping API for file.module and image.module.

Code

function file_feeds_file_compare($file1, $file2) {

  // If the file size is different then assume they are different files.
  // However, remote files may return FALSE from filesize() so only compare
  // file sizes if both values are not empty.
  $filesize1 = filesize($file1);
  $filesize2 = filesize($file2);
  if ($filesize1 !== FALSE && $filesize2 !== FALSE && $filesize1 !== $filesize2) {
    return FALSE;
  }

  // File sizes are the same so check md5 hash of files.
  if (md5_file($file1) != md5_file($file2)) {
    return FALSE;
  }
  return TRUE;
}