how to make a associative array in php code example

Example 1: Associative array in php

<?php 
/* 
There are 3 Types of array in php  
1. Indexed arrays - Arrays with a numeric index
2. Associative arrays - Arrays with named keys
3. Multidimensional arrays - Arrays containing one or more arrays

This is the second one - Associative arrays
*/

$age = array("Samy"=>"35", "Naveen"=>"37", "Amit"=>"43");
echo "Mr.Samy is " . $age['Samy'] . " years old.";

?>

Example 2: php define variables from array associative

<?php
	$array = [
		'key1' => 'foo',
  		'key2' => 'bar',
	];
	extract($array);
	
	echo $key1; //print foo
	echo $key2; //print bar
?>

Example 3: associative array php

// Associative Array in PHP

/******** ARRAY TYPES  ************************************************
There are basically 03 Types of array in php  
1. Indexed arrays          => Arrays with a numeric index
2. Associative arrays      => Arrays with named keys
3. Multidimensional arrays => Arrays containing one or more arrays
***********************************************************************/

//EXAMPLE
//This is the second one - Associative arrays

$age = array("Peter"=>"35", "Naveen"=>"37", "Amit"=>"43");
echo "Mr.Samy is " . $age['Peter'] . " years old.";