function that will return an array of post types for a cmb2 options array

get_post_types.php

<?php

	/**
	 * Get an array of post types for the options page multicheck array
	 * @uses   get_post_types
	 * @return array 			An array of public post types
	 */
	public function get_post_types() {

    /**
     * Filter that allows you to modify the post types array
     */
		$post_types = apply_filters( 'myprefix_post_types', get_post_types( array( 'public' => true ), 'objects' ) );

		foreach ( $post_types as $post_type ) {
			$types[$post_type->name] = $post_type->labels->name;
		}

		return $types;

	}