PHP Exercises: Count number of vowels in a given string

PHP: Exercise-96 with Solution

Write a PHP program to count number of vowels in a given string.

Note: Use a regular expression to count the number of vowels (A, E, I, O, U) in a string.

Sample Solution: -

PHP Code:

//Licence: https://bit.ly/2CFA5XY

function count_Vowels($string)
    preg_match_all('/[aeiou]/i', $string, $matches);
    return count($matches[0]);


Sample Output:



Flowchart: Count number of vowels in a given string.

PHP Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a PHP program to check if a given string starts with a given substring.
Next: Write a PHP program to decapitalize the first letter of the string and then adds it with rest of the string.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.

Follow us on Facebook and Twitter for latest update.

PHP: Tips of the Day

Mutates the original array to filter out the values specified


function tips_pull(&$items, ...$params)
  $items = array_values(array_diff($items, $params));
  return $items;

$items = ['x', 'y', 'z', 'x', 'y', 'z'];
print_r(tips_pull($items, 'y', 'z'));


    [0] => x
    [1] => x