﻿ PHP Exercise: Compute the sum of the digits of a number - w3resource

# PHP Exercises: Compute the sum of the digits of a number

## PHP: Exercise-45 with Solution

Write a PHP program to compute the sum of the digits of a number.

Sample Solution:

PHP Code:

``````<?php
// Define a function to calculate the sum of digits in a given number
function sum_of_digits(\$nums) {
// Initialize a variable to store the sum of digits
\$digits_sum = 0;

// Iterate through each digit in the number
for (\$i = 0; \$i < strlen(\$nums); \$i++) {
// Add the current digit to the sum
\$digits_sum += \$nums[\$i];
}

// Return the sum of digits
return \$digits_sum;
}

// Test the function with example numbers
echo sum_of_digits("12345")."\n";
echo sum_of_digits("9999")."\n";

?>
```
```

Sample Output:

```15
36
```

Flowchart:

PHP Code Editor:

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