<h4>Email Blast Module — Full Debug</h4><h5>Audit Scope:</h5><p>Admin page (page=3), member page, all PHP files, JS, AJAX endpoints, controller.</p><h5>Issues Found & Fixed:</h5><ul><li><strong>Fixed:</strong> <code>extract($contdata)</code> in mailinglist_settings.php:6 — could crash with TypeError if <code>$contdata</code> is null (no mailing list configured). Added <code>if(is_array($contdata))</code> guard.</li><li><strong>Fixed:</strong> Undefined array key 'SendService' in ajax.php:183,189 — <code>$_POST['SendService']</code> accessed without isset when saving email settings without specifying a send service. Added <code>?? ''</code> null coalescing.</li></ul><h5>Audit Results — No Issues:</h5><ul><li>PHP syntax: All files clean</li><li>Broken onerror: None found</li><li>Unsafe JSON.parse: None (module uses $.ajax with dataType)</li><li>Error handlers: 13 error handlers for 10 AJAX calls — adequate coverage</li><li>Controller: Has error_reporting(E_ALL)</li><li>Page: 17,475 lines, 0 PHP errors, renders completely</li><li>Endpoints: get_email_table ✓, get_subscriber_table ✓, get_sendemail_table ✓</li></ul><p><strong>Files:</strong> MailingListManager/page/mailinglist_settings.php, MailingListManager/inc/ajax.php</p>