define 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: array associativo 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['Peter'] . " years old.";

?>

Example 3: how to create associative array in php

<?php 
  /*
  there are three type of array
  	1 - Indexed array
  */
 	$a = array('a','b','c');
	$b = ['a','b','c'];
	/*
    2 - Associative array
    */
	$c = array(
    	'keyOne'=>'valueOne',
      	'keyTwo'=>'valueTwo'
    );
	$d = [
      'keyOne'=>'valueOne',
      'keyTwo'=>'valueTwo'
    ];
/*
    3 - Multidimensional  array
    */
	$c = array(
    	'keyOne'=>array('a','b','c'),
      	'keyTwo'=>array('a'=>'1','b'=>'2')
    );
	$d = [
      'keyOne'=>['a','b','c'],
      	'keyTwo'=>['a'=>'1','b'=>'2']
    ];
  ?>

Example 4: php define variables from array associative

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

Example 5: associative array in php

$age = array("Peter""35", "Ben""37", "Joe""43");