<?php

$measurements = [];
$dimensions = [];
$totalWrappingPaperInSquareFeet = 0;
$length = 0;
$width = 0;
$height = 0;
$filename = "advent-day-two-input.txt";
$handle = fopen($filename, "r");
$contents = fread($handle, filesize($filename));
fclose($handle);
$measurements = getDimensions($contents);
$totalWrappingPaperInSquareFeet = parseDimensions($dimensions, $measurements);
$totalRibbonInCubicFeet = parseDimensionsForRibbon($dimensions, $measurements);
function getSurfaceArea($length, $width, $height)
{
    $surfaceArea = 2 * ($length * $width) + 2 * ($width * $height) + 2 * ($length * $height);
    return $surfaceArea;
}
function getSlack($length, $width, $height)
{
    $zAxisByXAxis = $length * $width;
    $xAxisByYAxis = $width * $height;
    $zAxisByYAxis = $length * $height;
    if ($zAxisByXAxis < $xAxisByYAxis && $zAxisByXAxis < $zAxisByYAxis) {
        return $zAxisByXAxis;
    } elseif ($xAxisByYAxis < $zAxisByYAxis) {
        return $xAxisByYAxis;
    } else {
        return $zAxisByYAxis;
require_once 'Gd2.php';
require_once 'S3.php';
define('MAX_TRIES', 10);
//Settings
$accessKey = '';
$secretKey = '';
$bucket = '';
$website = '';
$dimensions = '';
$redownloadImages = false;
$overwriteThumbs = true;
$recalculateThumbs = false;
$compareThumbsBySize = false;
//Prepare parameters
$dimensions = parseDimensions($dimensions, $website);
//Prepare values
$imgPrefix = $website . '/full/';
$imgPrefixLen = strlen($imgPrefix);
$imgPathLen = $imgPrefixLen + 4;
//Initialise S3 object
$s3 = new S3($accessKey, $secretKey, true);
//Get list of images from the bucket
$images = $s3->getBucket($bucket, $imgPrefix);
$imgNumber = 1;
$totalImgs = count($images);
echo 'Number of images: ', $totalImgs, "\n";
if (!$totalImgs) {
    exit('No images in the bucket');
}
$_reuploadThumbs = $overwriteThumbs || $compareThumbsBySize;