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Create an associative array in PHP

Learn, what is an associative array and how to create an associative array in PHP?
Submitted by IncludeHelp, on February 07, 2019 [Last updated : March 13, 2023]

PHP - Associative Array

In an associative array, we can specify the values with the keys. Then, following two things are required to create an associative array: 1) key, and 2) value

key can be used as an index to access the value from the array.

Note: To create an associative or other types of array, we use array() function.

Syntax

    array(key1=>value1, key2=>value2, key3=>value3, ...);

PHP code to create an associative array

In this example, we are creating an associative array, printing the values: 1) Using keys, and 2) Printing complete array with keys & values

<?php
	//creating student array with keys & values
	$std = array('id' => "101", 'name' => "Amit", 'course' => "B.Tech");

	//printing elemenets
	print ("std elements...\n");
	print ("Id = " . $std['id'] . " Name = " . $std['name'] . " Course = " . $std['course']);
	
	//printing array using for each loop
	
	//printing complete array
	print ("std...\n");
	print_r($std);
?>

Output

std elements...
Id = 101 Name = Amit Course = B.Techstd...
Array
(
    [id] => 101
    [name] => Amit
    [course] => B.Tech
)

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