July 2025
Beginner
768 pages
16h 54m
English
Content preview from PHP, MySQL, & JavaScript All-In-One For Dummies, 2nd Edition
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Chapter 3
PHP Libraries
IN THIS CHAPTER
Learning about the PHP libraries
Working with text functions
Handling numbers
Using dates
Playing with images
As you start creating your dynamic web applications, you'll often find yourself wanting to perform certain functions that require quite a bit of coding, such as manipulating data or performing complex mathematical calculations. The true test of a robust programming language is in how much work it can save you by providing prebuilt code libraries that do most of the hard coding work for you. Fortunately, PHP has an extensive set of built-in libraries that can save you lots of development time as you build your web applications! This chapter dives into the basics of using the built-in libraries in PHP.
Understanding How PHP Uses Libraries
All programming languages provide libraries of functions that help you with your coding. Just how many there are and how they do that differs somewhat between programming languages.
Some interpreted ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.