Formulario

<form class="adminform">
    <?= Perform("IntroducirNombreControlador::IntroducirNombreFuncion");?>
    <div class="form-group">
        <label for="exampleInputEmail1">Email address</label>
        <input type="text" class="form-control" id="exampleInputEmail1" placeholder="Enter email">
    </div>
        <div class="input-group">
          <input type="text" name="date_convocatoria" class="form-control input-datepicker" placeholder="Fecha de convocatoria"><span class="input-group-addon "><i class="icon-calendar"></i></span>
        </div>
    <div class="col-sm-1">
        <input type="submit" class="btn green twhite" value="<?= _e('Save'); ?>">
    </div>
</form>