function file_directory_temp in Drupal 7

Same name and namespace in other branches

1. 8 core/includes/file.inc \file_directory_temp()
2. 4 includes/file.inc \file_directory_temp()
3. 5 includes/file.inc \file_directory_temp()
4. 6 includes/file.inc \file_directory_temp()

Gets the path of system-appropriate temporary directory.

Related topics

5 calls to file_directory_temp()

DrupalTemporaryStreamWrapper::getDirectoryPath in includes/stream_wrappers.inc

Implements abstract public function getDirectoryPath()

FileDirectoryTest::testFileDirectoryTemp in modules/simpletest/tests/file.test

Ensure that the file_directory_temp() function always returns a value.

system_file_system_settings in modules/system/system.admin.inc

Form builder; Configure the site file handling.

system_requirements in modules/system/system.install

Implements hook_requirements().

system_update_7066 in modules/system/system.install

Migrate the 'file_directory_temp' variable.

2 string references to 'file_directory_temp'

system_update_7066 in modules/system/system.install

Migrate the 'file_directory_temp' variable.

UploadUpgradePathTestCase::testUploadUpgrade in modules/simpletest/tests/upgrade/upgrade.upload.test

Test a successful upgrade.

File

includes/file.inc, line 2594

API for handling file uploads and server file management.

Code

function file_directory_temp() {
  $temporary_directory = variable_get('file_temporary_path', NULL);
  if (empty($temporary_directory)) {
    $directories = array();

    // Has PHP been set with an upload_tmp_dir?
    if (ini_get('upload_tmp_dir')) {
      $directories[] = ini_get('upload_tmp_dir');
    }

    // Operating system specific dirs.
    if (substr(PHP_OS, 0, 3) == 'WIN') {
      $directories[] = 'c:\\windows\\temp';
      $directories[] = 'c:\\winnt\\temp';
    }
    else {
      $directories[] = '/tmp';
    }

    // PHP may be able to find an alternative tmp directory.
    // This function exists in PHP 5 >= 5.2.1, but Drupal
    // requires PHP 5 >= 5.2.0, so we check for it.
    if (function_exists('sys_get_temp_dir')) {
      $directories[] = sys_get_temp_dir();
    }
    foreach ($directories as $directory) {
      if (is_dir($directory) && is_writable($directory)) {
        $temporary_directory = $directory;
        break;
      }
    }
    if (empty($temporary_directory)) {

      // If no directory has been found default to 'files/tmp'.
      $temporary_directory = variable_get('file_public_path', conf_path() . '/files') . '/tmp';

      // Windows accepts paths with either slash (/) or backslash (\), but will
      // not accept a path which contains both a slash and a backslash. Since
      // the 'file_public_path' variable may have either format, we sanitize
      // everything to use slash which is supported on all platforms.
      $temporary_directory = str_replace('\\', '/', $temporary_directory);
    }

    // Save the path of the discovered directory.
    variable_set('file_temporary_path', $temporary_directory);
  }
  return $temporary_directory;
}