Add listener before login
问题 I have been creating web application using symfony 3, I have added Recaptcha to my login form using EWZRecaptchaBundle, how I can add a listener before login to verify the validation of Recaptcha. <form method="post" action="{{ path('mysubmited') }}" id="form-validation" name="form-validation"> <div class="form-group form-input-icon form-input-icon-right"> <i class="icmn-spinner11 cat__core__spin"></i> <div> {{ form_widget(form.username) }}</div> </div> <div class="form-group"> <div>{{ form