JSON...send JSON data to index.php...

JSON...send JSON data to index.php...

Ok so basically I want to send an array to a PHP page. It will look something like this...
  1. Array
  2. (
  3.     [a] => Array
  4. (
  5. [user]    => 'Josh'
  6. [user_id] => '2'
  7. [admin]   => '0'
  8. )
  9.     [b] => Array
  10. (
  11. [user]    => 'David'
  12. [user_id] => '3'
  13. [admin]   => '1'
  14. )
  15.     [C] => Array
  16. (
  17. [user]    => 'Mark'
  18. [user_id] => '4'
  19. [admin]   => '0'
  20. )
  21. )

  22. Array
  23. (
  24.     [a] => Array
  25. (
  26. [user]    => 'Josh'
  27. [user_id] => '2'
  28. [admin]   => '0'
  29. )
  30.     [b] => Array
  31. (
  32. [user]    => 'David'
  33. [user_id] => '3'
  34. [admin]   => '1'
  35. )
  36.     [C] => Array
  37. (
  38. [user]    => 'Mark'
  39. [user_id] => '4'
  40. [admin]   => '0'
  41. )
  42. )
How can I send this using jquery to a php page? I was thinking JSON is what I need but I am not 100% sure. THANKS :-)