wp_login()

Function: Checks a users login information and logs them in if it checks out. This function is deprecated.

Source: wp-includes/pluggable-deprecated.php:171

htmlentities2()

Function: Convert entities, while preserving already-encoded entities.

Source: wp-includes/formatting.php:3927

Function: Converts a number of special characters into their HTML entities.

Source: wp-includes/formatting.php:911