wp_tempnam()
Function: Returns a filename of a temporary unique file.
Source: wp-admin/includes/file.php:665
validate_file_to_edit()
Function: Makes sure that the file that was requested to be edited is allowed to be edited.
Source: wp-admin/includes/file.php:713
wp_handle_upload_error()
Function:
Source: wp-admin/includes/file.php:781
get_file_description()
Function: Gets the description for standard ClassicPress theme files.
Source: wp-admin/includes/file.php:79
get_home_path()
Function: Gets the absolute filesystem path to the root of the ClassicPress installation.
Source: wp-admin/includes/file.php:106