src/MimeMailer/Helper.php
public static function checkPeopleArgs()
    {
        $args = func_get_args();
        if (empty($args)) {
            return array();
        }

        // 1 only email
        if (count($args)==1 && is_string($args[0]) && self::isEmail($args[0])) {
            return array( array($args[0]) );
        }

        // 2 args and 2nd is not an email
        if (
            count($args)==2 &&
            (isset($args[0]) && true===self::isEmail($args[0])) &&
            (isset($args[1]) && false===self::isEmail($args[1]))
        ) {
            return array( array( $args[1]=>$args[0] ) );
        }

        // a set of name=>email pairs
        if (count($args)==1) {
            $args = $args[0];
        }
        $result=array();
        foreach ($args as $name=>$email) {
            if (is_string($name) && true===self::isEmail($email)) {
                $result[] = array( $name=>$email );
            } elseif (is_numeric($name) && true===self::isEmail($email)) {
                $result[] = array($email);
            }
        }
        return $result;
    }
public static function checkPeopleArgs()
    {
        $args = func_get_args();
        if (empty($args)) {
            return array();
        }

        // 1 only email
        if (count($args)==1 && is_string($args[0]) && self::isEmail($args[0])) {
            return array( array($args[0]) );
        }

        // 2 args and 2nd is not an email
        if (
            count($args)==2 &&
            (isset($args[0]) && true===self::isEmail($args[0])) &&
            (isset($args[1]) && false===self::isEmail($args[1]))
        ) {
            return array( array( $args[1]=>$args[0] ) );
        }

        // a set of name=>email pairs
        if (count($args)==1) {
            $args = $args[0];
        }
        $result=array();
        foreach ($args as $name=>$email) {
            if (is_string($name) && true===self::isEmail($email)) {
                $result[] = array( $name=>$email );
            } elseif (is_numeric($name) && true===self::isEmail($email)) {
                $result[] = array($email);
            }
        }
        return $result;
    }
Clean and build a set of name=>email pairs

Arguments can be writtent as :
( 'my@email.address' )
( 'my@email.address', 'my name' )
( array( 'my name'=>'my@email.address' ) )
( array( 'my name'=>'my@email.address', 'another name'=>'another@email.address' ) )
( array( 'my name'=>'my@email.address', 'another@email.address' ) )

@return array