6 calls to drupal_tempnam() in Drupal 7

file_unmanaged_save_data in includes/file.inc

Saves a string to the specified destination without invoking file API.

image_gd_save in modules/system/image.gd.inc

GD helper to write an image resource to a destination file.

LocaleExportFunctionalTest::testExportTranslation in modules/locale/locale.test

Test exportation of translations.

LocaleImportFunctionalTest::importPoFile in modules/locale/locale.test

Helper function: import a standalone .po file in a given language.

LocalePluralFormatTest::importPoFile in modules/locale/locale.test

Imports a standalone .po file in a given language.

update_manager_local_transfers_allowed in modules/update/update.manager.inc

Determines if file transfers will be performed locally.