In our PHP website development, we often need to process images. The most common one is to generate thumbnails for uploaded images or images in articles. Here are 10 codes for generating thumbnails using PHP summarized by PHP Chinese website. You use and download!
1. Use PHP to get the first picture in the article as a thumbnail code: Get the first picture from the text as a thumbnail code snippet of the article
2. A code class for PHP to generate image thumbnails Download : Share a code class for PHP to generate image thumbnails, including source address, new path, thumbnail, retain source file, whether to overwrite the source file, and new directory after processing.
3. PHP thumbnail method class: A PHP thumbnail method class, thumbnail method (see 1 for the image to be processed, 2 for the width after processing, 3 for the height after processing), transcoding Chinese Process, verify whether the information is obtained, determine whether the size of the image needs to be reduced in equal proportions, use the original image as a canvas, obtain image information, and generate a path.
4. Complete code example of PHP encapsulated image (thumbnail) processing class
5. PHP image processing class that supports watermarks, thumbnails, cropping and compression: Introducing a PHP image processing class that supports watermark images Thumbnails are proportionally compressed, cropped and compressed. Our general image compression method will cause the image to be "flattened" when the image is too long or too wide. For this, a method of cropping first and then compressing proportionally should be used. The horizontal position of the watermark defaults to the value minus the width of the watermark image. The vertical position of the watermark defaults to the value minus the height of the watermark image
6. PHP class that implements thumbnails and watermarks: Share an implementation Thumbnail and watermark php classes, set the parameters of the image, scale the image, and then add a watermark to the image.
7. PHP class that saves images into different sizes: Share a PHP class that saves images into different sizes, processes uploaded files, gets error codes, gets file extensions, gets image information, and processes images.
8. PHP upload class with the function of automatically generating thumbnails: Introducing a php upload class with the function of automatically generating thumbnails for reference by friends who need it. The following will also introduce the ideas.
9. A class library for PHP to generate thumbnails: A class library for PHP to generate thumbnails, which can generate: 1. Generate distorted thumbnails 2. Generate proportionally scaled thumbnails 3. Generate minimally cropped Thumbnail 4. Generate background-filled thumbnails
10. PHP class for generating image thumbnails (requires GD2 graphics library to be installed): Share an example of using PHP to generate image thumbnails. Make sure your PHP server has GD2 graphics installed. The library uses a class to generate thumbnails of images
Friendly reminder: To get more codes for generating thumbnails using php, please go to the php Chinese website php image processing class library column to download!
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