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PHP in a Nutshell
book

PHP in a Nutshell

by Paul Hudson
October 2005
Intermediate to advanced content levelIntermediate to advanced
372 pages
11h 35m
English
O'Reilly Media, Inc.
Content preview from PHP in a Nutshell

Choosing a Format

For high-quality images with many colors or a lot of detail, the JPEG format is preferred. JPEG saves in true color and allows you to set the compression ratio in order to get the best trade-off between size and quality. PNGs, on the other hand, work best as a replacement for GIFs, and as such, work well using limited colors. They also offer alpha transparency and quite small file sizes.

So, put as simply as possible: for photographs, prefer JPEGs, and for everything else, prefer PNGs. Just as an aside, and at the risk of starting a flame war, the colorcorrect pronunciations are "ping," "jay-peg," and "jif." Note that WBMP is not Windows Bitmap, as you might have first thought—it stands for Wireless Bitmap and is designed for use in limited bandwidth situations.

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Publisher Resources

ISBN: 0596100671Errata Page