7 19.8 Write a PHP script that tests whether an e-mail address is input correctly. Verify that the input begins with series of characters, followed by the @ character, another series of characters, a period (.) and a final series of characters. Test your program, using both valid and invalid e-mail addresses.

- Create a php tag to write the php code.

- Use isset() method to activate the process when the form is submitted

- Use $_POST() method to retrieve the email value from the form.

- Retrieve the email value and assign the value in a variable named $email.

- Create a email regular expression and assigned it in a new variable name $emailPattern.

- Use pregame_match() function to check the email pattern is correct or wrong.

- Create an HTML tag.

- Create a form and assign action properly as email.

- Create a submit button.