Declare Array of Arrays And Convert To JSON Using PHP

Here is the array of arrays declaration.

$data = array(
  'title' => 'Title',
  'name' => 'Name',
  'comments' => array(
               0 => array(
                      'name' => 'John Doe',
                      'email' => 'john@example.com'
                      ),
               1 => array(
                      'name' => 'Jane Doe',
                      'email' => 'jane@example.com'
                      ),

              )
 );

JSON output using json_encode() function of PHP

{
 title: 'Title',
 name: "Name",
 comments: [
 {
  name: "John Doe",
  email: "john@example.com"
 },
 {
  name: "Jane Doe",
  email: "jane@example.com"
 }
 ]
}