seems_utf8()
Function: Checks to see if a string is utf8 encoded.
Source: wp-includes/formatting.php:893
Function: Checks to see if a string is utf8 encoded.
Source: wp-includes/formatting.php:893
Function: Converts all accent characters to ASCII characters.
Source: wp-includes/formatting.php:1596
Function: Send mail, similar to PHP’s mail
Source: wp-includes/pluggable.php:175