5 calls to file_valid_uri()

file_copy in includes/file.inc
Copies a file to a new location and adds a file record to the database.
file_delete in includes/file.inc
Deletes a file and its database record.
file_move in includes/file.inc
Moves a file to a new location and update the file's database entry.
file_save_data in includes/file.inc
Saves a file to the specified destination and creates a database entry.
template_preprocess_user_picture in modules/user/user.module
Process variables for user-picture.tpl.php.

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