Of course we’ll need to create an HTML form with which users can upload photos: Īs soon as the user hits the upload button a POST request will be sent to a script which will handle the file upload process and show the uploaded image to the user for cropping. In this case, compress images before upload to optimize the image. Generally, the user does not optimize the image when uploading through the website. See how you can create an image cropping tool with ImageMagick and PHP.
#Php image resize and upload how to
As a prerequisite, install the PHP’s GD Graphics Library. PHP How to Upload and Compress an Image using PHP Narayan K Augcomments off Image compression is very helpful to reduce the size of the image. If you let users upload photos, cropping/resizing functionality will come in handy. Now that you’re familiar with the two methods, we’re good to go. You can compress images in PHP in one of the following ways: Through PHP’s built-in functions, such as imagejpeg (), which takes the path of the output image and quality specification between 1 and 100. The new dimensions are less than or equal to the specified dimensions. For example, a call to thumbnailImage(400, 400, true) on a 1200×768px image will produce a 400×200px version. We can also pass a third argument known as bestfit If this is set true, the image will be resized in such a way that the new dimensions can be contained within the height and width specified. If either the width or height argument to thumbnailImage() is set as 0, the aspect ratio is maintained.
#Php image resize and upload code
The above code produces a 200×200px version of image. The thumbnailImage() method simply accepts the height and width of the resized image and can be used as follows: thumbnailImage(200, 200) Finally, writeImage() saves the result back to disk for us. In this case the code will produce a cropped image of size 400×400px starting at 30px from the top and 10px in from the left of the original image. Then we call cropImage() with appropriate arguments. We create an Imagick object first, passing to its constructor the filename of our image. Do you have heavy image files in your application And do you want to optimize them before pushing them into application directory This PHP compress image code will help you to optimize images before upload. The first two arguments indicate the height and width of the cropped region, and the last two indicate the X and Y coordinates of the top-left corner of the cropped area. PHP compress image optimize, resize and upload by Vincy. The cropImage() method accepts four arguments. Since we’re going to create an image cropper, we’ll mostly be using the two methods: cropImage() and thumbnailimage(). It offers a simple object-oriented interface to use the API you just need to create an instance of the Imagick class and then call the appropriate methods to start manipulating the images. ImageMagick provides a lot of API methods through which you can manipulate an image. The ImageMagick extension performs image processing using the ImageMagick library.
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