PHP Bugs: Property Problems (Example F)

php_bugs_6f.php

<?php
// ... $desc should be a JSON string ...

if (!empty($desc)) {
  try {
    $desc_obj = json_decode($desc);
    if (!is_object($desc_obj)) {
      throw new Exception();
    }

    $action   = !empty($desc_obj->action)  ? $desc_obj->action                : 'none';
    $reasons  = !empty($desc_obj->reasons) ? explode(',', $desc_obj->reasons) : array();
  } catch (Exception $e) {
    $action  = "none";
    $reasons = array();
  }

  // ... parsing logic for $reasons ...
}