Resize_image_crop($image, $width, $height) The resized image is stored in a server cache file. The class can also add a watermark, crop the image to a given position and convert the image to grey scale. It can open a local or a remote image file and resize it to a given width and height. Open your php.ini file and do as mentioned below: extensionphpgd2. Use PHP gd Library to Resize Images on Upload PHP has a gd library to perform operations on images. He is 100 x 100 pixels, but because no cropping occurred, the original aspect ratio was abandoned. This class can resize and crop images to a given size. This tutorial demonstrates different ways of resizing the image in PHP. Resize_image('force','penguin.jpg','penguin_force.jpg',100,100) įinally, we created this squished penguin using the resize_image_force function. Since the original is taller than it is wide, the new penguin is 100 pixels tall, but only 57 pixels wide. With the resize_image_max function, we specified that this penguin would have a max height or width of 100 pixels. Resize_image('crop','penguin.jpg','penguin_crop.jpg',100,100) Īs you can see, this poor penguin was cropped into a smaller image, 100 x 100 pixels, using the resize_image_crop function. In all three examples, we use the resize_image helper function to load up and save the actual image files. The penguin to the left is the image we’ll start with. you can decide how many words they’re worth. They say a picture is worth a thousand words. We’ll start with the examples first and then explain how everything works. Additionally, I’ve constructed a function that loads and saves the images (in JPEG, GIF, PNG, or BMP format) and provides detailed error reporting in case something goes wrong. And the third forces the image into a specific size, even if that means that the aspect ratio is changed. The second allows you to set a maximum width or height and then shrinks the image to fit those specifications. The first crops images to fit to the new size so that the aspect ratio is maintained. I have created three different functions that use PHP’s GD Image Functions to resize images on the fly.
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