PHP Exercises: Check if a given string starts with a given substring

PHP: Exercise-95 with Solution

Write a PHP program to check if a given string starts with a given substring.

Sample Solution:

PHP Code:

<?php
// Licence: https://bit.ly/2CFA5XY

// Function definition for 'startsWith' that takes a haystack string and a needle string as parameters
function startsWith($haystack, $needle)
{
    // Use 'strpos' to find the position of the needle in the haystack
    // Check if the position is at the beginning (index 0) of the haystack
    return strpos($haystack, $needle) === 0;
}

// Call 'startsWith' with a haystack string and a needle string, then display the result using 'print_r'
print_r(startsWith('Hi, this is me', 'Hi'));

?>

Sample Output:

1

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 two numbers are approximately equal to each other.
Next: Write a PHP program to count number of vowels in a given string.