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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,
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
PHP has a lot of functions about arrays to facilitate array manipulation.
Defined:
Each entity of an array contains two items: key and value, which can be retrieved by a query key. These keys can be numeric (numerical) or associated (associative)
Learn PHP's array summary "experience", PHP array Summary
PHP has a lot of functions for arrays, which makes it easy to manipulate arrays.
Defined:
The array contains two items per entity: Key and value, which can be obtained by querying the key.
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
function can make our code very simple, recently read a lot of PHP-related knowledge, here to introduce you to the PHP associative array related knowledge. Description International Extract (array $ var_array [abstract $ extract_type =
We are introduced here is in the array to increase the associative array, this is a multi-dimensional array, I would like to give you a few examples, I hope that the students will help you. In the"PHP Array add element Method Summary This article
In the process of developing using PHP, sooner or later, you will need to create many similar variables, at which point you can store the data as an element in an array. The elements in an array have their own IDs, so you can easily access them.
what is an array?
In the process of developing using PHP, sooner or later, you will need to create many similar variables.
Without a lot of similar variables, you can store the data as an element in an array.
The elements in an array have their
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