Convert PHP indexed array into JSON string <br/>["Monday","Tuesday","Wednesday","Thursday","Friday"]<br/><hr/>Convert PHP associative array into JSON string <br/>{"name":"Duh","email":"duh@uva.edu","phone":"999-999-9999","age":9}<br/><hr/>Convert PHP object into JSON string <br/>{"name":"Someone","email":"someone@uva.edu","phone":"444-444-4444","age":"22"}<br/><hr/>Putting both friends in PHP array, then convert into JSON <br/>string(148) "[{"name":"Duh","email":"duh@uva.edu","phone":"999-999-9999","age":9},{"name":"Someone","email":"someone@uva.edu","phone":"444-444-4444","age":"22"}]"
<hr/>Convert JSON string into PHP object <br/>object(stdClass)#2 (4) {
  ["name"]=>
  string(11) "Someoneelse"
  ["email"]=>
  string(19) "someoneelse@uva.edu"
  ["phone"]=>
  string(12) "555-555-5555"
  ["age"]=>
  int(30)
}
<hr/>Converty JSON string into PHP associative array <br/>array(4) {
  ["name"]=>
  string(11) "Someoneelse"
  ["email"]=>
  string(19) "someoneelse@uva.edu"
  ["phone"]=>
  string(12) "555-555-5555"
  ["age"]=>
  int(30)
}
<br/><br/>Retrieve each param-value of JSON <br/>Friend's info --- Someoneelse, someoneelse@uva.edu, 555-555-5555, 30 <br/>