An object is an instance of a class. It is simply a specimen of a class and has memory allocated. Array is the data structure that stores one or more similar type of values in a single name but associative array is different from a simple PHP array. An array which contains string index is called associative array. It stores element values in association with key values rather than in linear index order.
Method 1: Using json_decode and json_encode method: The json_decode function accepts JSON encoded string and converts it into a PHP variable on the other hand json_encode returns a JSON encoded string for a given value.
Syntax:
$myArray = json_decode(json_encode($object), true);
Example:
<?php class sample {
/* Member variables */
var $var1 ;
var $var2 ;
function __construct( $par1 , $par2 )
{
$this ->var1 = $par1 ;
$this ->var2 = $par2 ;
}
} // Creating the object $myObj = new sample(1000, "second" );
echo "Before conversion: \n" ;
var_dump( $myObj );
// Converting object to associative array $myArray = json_decode(json_encode( $myObj ), true);
echo "After conversion: \n" ;
var_dump( $myArray );
?> |
Before conversion: object(sample)#1 (2) { ["var1"]=> int(1000) ["var2"]=> string(6) "second" } After conversion: array(2) { ["var1"]=> int(1000) ["var2"]=> string(6) "second" }
Method 2: Type Casting object to an array: Typecasting is the way to utilize one data type variable into the different data type and it is simply the explicit conversion of a data type. It can convert a PHP object to an array by using typecasting rules supported in PHP.
Syntax:
$myArray = (array) $myObj;
Example:
<?php class bag {
/* Member variables */
var $item1 ;
var $item2 ;
var $item3 ;
function __construct( $par1 , $par2 , $par3 )
{
$this ->item1 = $par1 ;
$this ->item2 = $par2 ;
$this ->item3 = $par3 ;
}
} // Create myBag object $myBag = new bag( "Mobile" , "Charger" , "Cable" );
echo "Before conversion : \n" ;
var_dump( $myBag );
// Converting object to an array $myBagArray = ( array ) $myBag ;
echo "After conversion : \n" ;
var_dump( $myBagArray );
?> |
Before conversion : object(bag)#1 (3) { ["item1"]=> string(6) "Mobile" ["item2"]=> string(7) "Charger" ["item3"]=> string(5) "Cable" } After conversion : array(3) { ["item1"]=> string(6) "Mobile" ["item2"]=> string(7) "Charger" ["item3"]=> string(5) "Cable" }
PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.