logo CodeStepByStep logo

is_vowel

Language/Type: PHP string
Write a function named is_vowel that returns whether a string is a vowel (a single-letter string containing a, e, i, o, or u, case-insensitively).
Function: Write a PHP function as described, not a complete program.

You must log in before you can solve this problem.

Log In

Need help?

Stuck on an exercise? Contact your TA or instructor.

If something seems wrong with our site, please

Is there a problem? Contact us.