type of PHP array-associative array
What is a php associative array?
In the previous article we introduced the "type of PHP array-numeric index array", today we specifically introduced the next associative array.
In addition to array index arrays,
Walkthrough of a PHP Array
This article mainly explains the For,foreach,list,each,key, the pointer operation correlation function, the array_flip, the array_reverse,array_walks and so on function's logarithmic group's traversal
1.for Looping
Numeric arrayThe numeric array stores each element with a numeric ID key.
You can use different methods to create an array of values:
Example 1In this example, the ID key is assigned automatically:
The code is as follows
Copy Code
what is an array?
You will need to create many similar variables in the process of using PHP for development, either early or late.
Without a lot of similar variables, you can store the data in an array as an element.
Elements in the array have
The use of foreach is often used in PHP, and if you use foreach, you must use an array. So in this article, we talk about the array, and we're talking about foreach.
foreach has two kinds of syntax:
First: Iterate over the given array statement
This article describes the use and examples of foreach in PHP, details the use of foreach, and the interested partners can refer to it.
The use of foreach is often used in PHP, and it is necessary to use a foreach array. So, in this article, we're
in PHP, arrays are divided into two categories: numbersIndex
arrays and associative arrays.
Where the numeric index array is the same as the array in the C language, the subscript is for 0,1,2 ...Associative array subscripts may be of any type,
1. The concept of arrays
An array is a named range that is used to store a series of variable values.
Each array element has an associated index (also a keyword) that can be used to access elements.
PHP allows you to use numbers or strings evenly
The use of foreach is often used in PHP, and it is necessary to use a foreach array. So, in this article, we're talking about arrays while we talk about foreach.
foreach has two types of syntax:
The first: Iterate over the given array statement
PHP uses getdate to get the current datetime as an associative array method
This article mainly introduces PHP using getdate to get the current date and time as an associative array method, the example analysis of PHP getdate function using skills,
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.