getReceiver();
$subject = $notification->getSubject();
$message = $this->replacePlaceholders($notification->getMessage(), $formData);
$from = $notification->getSender();
$replyTo = $notification->getReplyTo();
// Set up headers
$headers = [
'Content-Type: text/html; charset=UTF-8',
];
if (!empty($from)) {
$headers[] = 'From: ' . $from;
}
// If replyTo is set and not identical to From, add Reply-To header
if (!empty($replyTo) && $replyTo !== $from) {
$headers[] = 'Reply-To: ' . $replyTo;
}
// Send email using WordPress function
return wp_mail($to, $subject, $message, $headers);
}
/**
* Replace template variables in content with actual form data
* Supports format like {{field_name}}
*
* @param string $content Content with template variables
* @param mixed[] $formData Form submission data
*
* @return string Content with replaced variables
*/
private function replacePlaceholders(string $content, array $formData): string
{
// Replace field variables like {{field_name}}
preg_match_all('/{{(.+?)}}/s', $content, $matches);
if (!empty($matches[1])) {
foreach ($matches[1] as $key => $fieldName) {
$fieldValue = $formData[$fieldName] ?? '';
if (is_array($fieldValue)) {
$fieldValue = implode(', ', $fieldValue);
}
$content = str_replace($matches[0][$key], $fieldValue, $content);
}
}
// Replace special variables
$content = str_replace('{{all_fields}}', $this->getAllFieldsHtml($formData), $content);
return $content;
}
/**
* Generate HTML table with all form fields for email template
*
* @param mixed[] $formData Form submission data
*
* @return string HTML representation of all fields
*/
private function getAllFieldsHtml(array $formData): string
{
// Generate HTML table for all fields
$html = '
Form Submission Details
';
$html .= '
';
foreach ($formData as $fieldName => $fieldValue) {
// Skip system fields
if (in_array($fieldName, ['formId', 'nonce'])) {
continue;
}
// Format array values
if (is_array($fieldValue)) {
$fieldValue = implode(', ', $fieldValue);
}
// Format label by converting snake_case or camelCase to Title Case
$label = ucwords(str_replace(['_', '-'], ' ', $fieldName));
$html .= '