多个图像调整大小，具有相同的宽高比

Question

How can I resize multiple image with same aspect ratio. For example,

960x600 1152x720 1280x800 1440x900 1680x1050 1920x1200 2560x1600 2880x1800 3840x2400

these pixels are in same aspect ratio, if we have the image size 3840x2400. I need to resize the images from 3840x2400 into the above pixels. Preferably solved using either tool or PHP Script or Javascript.

Answer 1

<?php
  $source = imagecreatefromjpeg("path_to_source/filename.jpg");
  $width = 960;
  $height = $width*(imagesy($source)/imagesx($source));
  $destination = imagecreatetruecolor($width, $height);
  imagecopyresampled($destination, $source, 0, 0, 0, 0, $width, $height, imagesx($source), imagesy($source));
  imagejpeg($destination,"path_to_destination/filename.jpg");
?>

Alter $width for other sizes...