Php Image Resize Function. Original imagecreatefromjpeg original jpg. Image resizing requires information about the old height and width of an image to generate an image of new width and height.
Before we take our new function on a test drive we need to get the width and height of the image that we want to display. Imagecopyresampled resized original 0 0 0 0 new width new height width height. Bool imagecopyresampled resource dst image resource src image int dst x int dst y int src x int src y int dst w int dst h int src w int src h.
Bool imagecopyresampled resource dst image resource src image int dst x int dst y int src x int src y int dst w int dst h int src w int src h.
There is a magical command in php called getimagesize. Imagecopyresampled resized original 0 0 0 0 new width new height width height. Thankfully it only takes an easy 4 lines of code to resize images in php. A positive x value will take you to the right of the image and a positive y value will take you further down.