August 2000
Intermediate to advanced
800 pages
13h 15m
English
Content preview from Core PHP Programming: Using PHP to Build Dynamic Web SitesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Perl-Compatible Regular Expressions
Andrei Zmievski added support to PHP for Perl-compatible regular expressions. Expressions are surrounded by delimiters, which are usually / or | characters, but can be any printable character other than a number, letter, or backslash. After the second delimiter, you may place one or more modifiers. These are letters that change the way the regular expression is interpreted.
For the most part, the functions in this section comply with the way regular expressions work in Perl 5. There are a few very specific differences. They are narrow enough that you probably won't run into them, and they may not make much sense without explaining regular expressions in detail. If you're curious, read the excellent notes in ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.