Data Sanitization and Validation — a practical guide to WPForms sanitize validate with clear examples you can reuse in real projects.
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Short description
Field type validation is not enough for custom API payloads — sanitize everything you touch.
Sanitize examples
$email = sanitize_email(wp_unslash($_POST['email'] ?? ''));
$note = sanitize_textarea_field(wp_unslash($_POST['note'] ?? ''));