php5 upwork test answers | Which of the following methods should be used for sending an email using the variables $to, $subject, and $body?

Which of the following methods should be used for sending an email using the variables $to, $subject, and $body?

Answers:

• mail($to,$subject,$body)

• sendmail($to,$subject,$body)
• mail(to,subject,body)
• sendmail(to,subject,body)