associative array in php with example

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

This article summarizes the usage summary of JavaScript associative array, and the friend who has to understand the JS associative array can refer to this article. Just learn JS when it seems to remember that there is no associative array js, write

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 =

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.

PHP has a data type is very important, it is an associative array, also known as hash table (hash table), is a very useful data structure. in the program, we may encounter the need to eliminate the weight of the problem, to give the simplest

basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Gets the value of the array Array_keys ($arr), gets the key name of the array array_flip ($arr), and the values in the array are exchanged with the key

This article mainly introduces how to learn PHP arrays [experience]. For more information, see PHP has many array functions to facilitate array operations. Definition: Each object in the array contains two items: key and value. you can use the