August 2013
Intermediate to advanced
140 pages
1h 49m
English
Content preview from PHP Quick Scripting Reference
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CHAPTER 5
Arrays
An array is used to store a collection of values in a single variable. Arrays in PHP consist of key-value pairs. The key can either be an integer (numeric array), a string (associative array) or a combination of both (mixed array). The value can be any data type.
Numeric arrays
Numeric arrays store each element in the array with a numeric index. An array is created using the array constructor. This constructor takes a list of values which are assigned to elements of the array.
$a = array(1,2,3);
As of PHP 5.4 a shorter syntax is available, where the array constructor is replaced with square brackets.
$a = [1,2,3];
Once the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.