Fibonacci in Php

Published on 28 April 2022 (Updated: 25 September 2022)

Fibonacci in Php

Welcome to the Fibonacci in Php page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

<?php

if ($argc < 2 || !is_numeric($argv[1]) || intval($argv[1]) < 0) {
    die("Usage: please input the count of fibonacci numbers to output");
}

$input = intval($argv[1]);

$a = 0;
$b = 1;
$fibonacci = 0;

for ($index = 1; $index <= $input; $index++) {
    $fibonacci = $a + $b;
    $a = $b;
    $b = $fibonacci;
    echo "$index: $a\n";
}

Fibonacci in Php was written by:

If you see anything you'd like to change or update, please consider contributing.

Note: The solution shown above is the current solution in the Sample Programs repository as of Oct 15 2019 00:25:43. The solution was first committed on Jan 03 2019 09:42:35. As a result, documentation below may be outdated.

How to Implement the Solution

No 'How to Implement the Solution' section available. Please consider contributing.

How to Run the Solution

No 'How to Run the Solution' section available. Please consider contributing.