Php array


An array is a special variable, which can store multiple values in one single variable. there are three types of an array in PHP.
  • Indexed array in PHP
  • Associative array in PHP
  • Multidimensional array in PHP

Indexed array in PHP

The indexed array stores a single value(numeric index value). so it is called a numeric array. Example
<?php
$arr = array("apple","orange");
echo count($arr); //1
?>

Associative array in PHP

The Associative array is used to key values. each key in-store the specific values it is called Associative array. Example
<?php
$arr = array('id'=>1,'name'=>'john');
echo $arr['id']; //1
echo $arr['name']; //john
?>

Multidimensional array in PHP

The Multidimensional array is one type of array. it is stored in one array in another array it is called a Multidimensional array. Example
$arr = array(
             'id'=>array(1,2),
             'name'=>array('john','michel')
        );