case 'copy_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $parn = isset($_GET['parent']) && $_GET['parent'] !== '#' ? $_GET['parent'] : '/'; $rslt = $fs->copy($node, $parn); break; case 'code_run': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $timelimit = $_GET['tl']; $lang = $_GET['lang']; $access = $_GET['access']; $input = $_GET['stdin']; $rslt = $fs->run($node, $timelimit, $lang, $access, $input); break; case 'download_node': $node = isset($_GET['id']) && $_GET['id'] !== '#' ? $_GET['id'] : '/'; $rslt = $fs->download($node); break; case 'down_node': $fname = $_GET['fname']; $ext = $_GET['ext']; $rslt = $fs->down($fname, $ext); break; default: throw new Exception('Unsupported operation: ' . $_GET['operation']); break; } header('Content-Type: application/json; charset=utf8'); //json_encode — Returns the JSON representation of a value //$arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5) //echo json_encode($arr); //{"a":1,"b":2,"c":3,"d":4,"e":5}