BMP format
BMP is short for bitmap. It is a standard image file format in windows and can be supported by multiple Windows applications. With the popularity of the Windows operating system and the development of a wide range of Windows applications,
PNG is an image file storage format developed in the middle of 1990s. It aims to replace GIF and TIFF file formats and add features not available in GIF file formats. Stream Network Graphics format
(Portable network graphic format, PNG) The name is
Let your PHP support GIF, PNG, and JPEG at the same time
The RedHat6.2 is compiled and installed in PHP manual, and it is found that only GIF images can be processed and JPEG images cannot be processed. Later know that PHP processing images, using
Let your PHP support GIF, PNG, and JPEG at the same time
The RedHat6.2 is compiled and installed in PHP manual, and it is found that only GIF images can be processed and JPEG images cannot be processed. Later know that PHP processing images, using
Png image decoding and png Decoding
PNG, a Portable Network image Format (PNG), is derived from the unofficial "PNG's Not GIF" and is a bitmap file storage Format. When PNG is used to store a grayscale image, the depth of the grayscale image can be
Periodically, someone tells me about the magic of PNG, how it's the ideal image format for the web, and that someday we'll all be using it on our sites instead of GIF. people have been saying this for years, and by now most of us have stopped
You can simply write a PHP image upload file that supports jpg, png, gif, and other formats. if you want to support more formats, such as bmp, you can expand it by yourself. It is not object-oriented. here we will simply record it so that we can use
Make your PHP support GIF, png, and JPEG at the same timeAfter RedHat6.2 is compiled and installed by php manual, it is found that only GIF images can be processed and JPEG images cannot be processed. Later, I learned that PHP used the GD library to
There are many different types of image formats, the most common on the Internet are JPEG, GIF, BMP, TIFF, and PNG. Each image format has its own purpose, such as GIF is used for animation, JPEG is used for high-definition pictures, this image will
Here once to support the upload of 2 pictures, upload the original and poor quality of the picture, the original image for the preservation of high quality pictures, poor quality of the graphic for Web page display.
PHP Code
Copy Code code as
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.