Custom Form Choices

FormType.php

<?php
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
	          ->add('status', 'choice', array('choices' => array(
			        'PENDING' => 'PENDING',
			        'APPROVED' => 'APPROVED',
			        'DENIED' => 'DENIED',
			        'REVOKED' => 'REVOKED'
		        )))
        ;
    }