$args

associative array, support following keys:

• singular (string) -- the string to translate, if omitted and empty entry will be created
• plural (string) -- the plural form of the string, setting this will set {@link $is_plural} to true
• translations (array) -- translations of the string and possibly -- its plural forms
• context (string) -- a string differentiating two equal strings used in different contexts
• translator_comments (string) -- comments left by translators
• extracted_comments (string) -- comments left by developers
• references (array) -- places in the code this strings is used, in relative_to_root_path/file.php:linenum form
• flags (array) -- flags like php-format