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:
<?php
//Licence: https://bit.ly/2CFA5XY
function count_Vowels($string)
{
preg_match_all('/[aeiou]/i', $string, $matches);
return count($matches[0]);
}
print_r(count_Vowels('sampleInput'));
?>
Sample Output:
4
Flowchart:

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.
PHP: Tips of the Day
Mutates the original array to filter out the values specified
Example:
<?php 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')); ?>
Output:
Array ( [0] => x [1] => x )
- Weekly Trends
- Java Basic Programming Exercises
- SQL Subqueries
- Adventureworks Database Exercises
- C# Sharp Basic Exercises
- SQL COUNT() with distinct
- JavaScript String Exercises
- JavaScript HTML Form Validation
- Java Collection Exercises
- SQL COUNT() function
- SQL Inner Join
- JavaScript functions Exercises
- Python Tutorial
- Python Array Exercises
- SQL Cross Join
- C# Sharp Array Exercises