PHP Exercises: Compute the sum of the three integers. If one of the values is 13 then do not count it and its right towards the sum

PHP Basic Algorithm: Exercise-55 with Solution

Write a PHP program to compute the sum of the three integers. If one of the values is 13 then do not count it and its right towards the sum.

Sample Solution:

PHP Code :

<?php
// Define a function named 'test' that takes three parameters and returns a value based on certain conditions
function test($x, $y, $z)
{
    // Check if $x is equal to 13; if true, return 0
    if ($x == 13) return 0;
    
    // Check if $y is equal to 13; if true, return $x
    if ($y == 13) return $x;
    
    // Check if $z is equal to 13; if true, return the sum of $x and $y
    if ($z == 13) return $x + $y;
    
    // If none of the above conditions are met, return the sum of $x, $y, and $z
    return $x + $y + $z;
}

// Test the 'test' function with different input values and display the results
echo (test(4, 5, 7))."\n";
echo (test(7, 4, 12))."\n";
echo (test(10, 13, 12))."\n";
echo (test(13, 12, 18))."\n";
?>

Explanation:

• Function Definition:
• The test function takes three parameters: $x, $y, and $z, and returns a value based on specific conditions related to the value 13.
• Conditions:
• If $x is 13: The function returns 0 immediately, disregarding the other values.
• If $y is 13: The function returns only the value of $x, ignoring $z.
• If $z is 13: The function returns the sum of $x and $y, ignoring $z.
• None of the Above: If none of the parameters is 13, it returns the sum of all three values: $x + $y + $z.

Output:

16
23
10
0

Flowchart:

PHP Code Editor:

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