Document edited successfully. Result of running `cat -n` on replaced document content: 1 2 3 4 5 6 SMTP Email Configuration Tester 7 8 9 10 114 115 116 117 $_SESSION['form_data']['smtp_host'] ?? '', 178 'smtp_port' => $_SESSION['form_data']['smtp_port'] ?? '587', 179 'smtp_username' => $_SESSION['form_data']['smtp_username'] ?? '', 180 'smtp_password' => $_SESSION['form_data']['smtp_password'] ?? '', 181 'encryption' => $_SESSION['form_data']['encryption'] ?? 'tls', 182 'sender_name' => $_SESSION['form_data']['sender_name'] ?? 'SMTP Tester', 183 'recipient_email' => $_SESSION['form_data']['recipient_email'] ?? '', 184 'debug_mode' => $_SESSION['form_data']['debug_mode'] ?? false 185 ]; 186 187 $result_message = ''; 188 $result_type = ''; 189 $debug_output = ''; 190 191 // Process form submission 192 if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['test_smtp'])) { 193 194 // Store form data in session for preservation 195 $form_data = [ 196 'smtp_host' => trim($_POST['smtp_host']), 197 'smtp_port' => intval($_POST['smtp_port']), 198 'smtp_username' => trim($_POST['smtp_username']), 199 'smtp_password' => $_POST['smtp_password'], 200 'encryption' => $_POST['encryption'], ... and 814 more lines. Please review the changes and ensure they meet your expectations (correct indentation, no duplicate lines, etc). Edit again if necessary.