json_decode

Definition and usage

The json_decode() function is used to decode or convert JSON objects into PHP objects.

Example

Example 1

Store JSON data in a PHP variable and decode it into a PHP object:

 <?php
$jsonobj = '{"Bill":35,"Elon":37,"Steve":43}' ;

var_dump ( json_decode ( $jsonobj ) ) ;
?>

Run the instance

Example 2

Store the JSON data in a PHP variable and decode it into a PHP associative array:

 <?php
$jsonobj = '{"Bill":35,"Elon":37,"Steve":43}' ;

var_dump ( json_decode ( $jsonobj , true ) ) ;
?>

Run the instance

Example 3

How to access values ​​from PHP objects:

 <?php
$jsonobj = '{"Bill":35,"Elon":37,"Steve":43}' ;

$obj = json_decode ( $jsonobj ) ;

echo $obj -> Bill ;
echo $obj -> Elon ;
echo $obj -> Joe ;
?>

Run the instance

Example 4

How to access values ​​from PHP associative arrays:

 <?php
$jsonobj = '{"Bill":35,"Elon":37,"Steve":43}' ;

$arr = json_decode ( $jsonobj , true ) ;

echo $arr [ "Bill" ] ;
echo $arr [ "Elon" ] ;
echo $arr [ "Steve" ] ;
?>

Run the instance

grammar

 json_decode ( string , assoc , depth , options )