CODE EXAMPLE FOR PHP

json_encode php

$person = array( 
    "name" => "Johny Carson", 
    "title" => "CTO"
); 
$personJSON=json_encode($person);//returns JSON string

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$function = "#!!function(){}!!#"; 
$message = "Hello";

$json = array(   
  'message' => $message,
  'func' => $function
);
$string = json_encode($json);
$string = str_replace('"#!!','',$string);
$string = str_replace('!!#"','',$string);
echo $string;