PHP Exercises: Compute the digit number of sum of two given integers
PHP: Exercise-47 with Solution
Write a PHP program to compute the digit number of sum of two given integers.
Input:
Each test case consists of two non-negative integers x and y which are separated by a space in a line.
0 ≤ x, y ≤ 1,000,000
Pictorial Presentation:

Sample Solution: -
PHP Code:
<?php
while(true) {
$inputs = explode(' ', trim(fgets(STDIN)));
if (!is_array($inputs) || count($inputs) < 2) {
exit;
}
$a = $inputs[0];
$b = $inputs[1];
$d = numDigits($a + $b);
echo("Digit number of sum of two given integers: ");
echo $d . "\n";
}
function numDigits($n) {
return (int)(log10($n) + 1);
}
?>
Sample Output:
Digit number of sum of two given integers: 2
Flowchart:

PHP Code Editor:
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Previous: Write a PHP program to find heights of the top three building in descending order from eight given buildings.
Next: Write a PHP program to check whether three given lengths (integers) of three sides form a right triangle. Print "Yes" if the given sides form a right triangle otherwise print "No".
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 )
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