Memberpress gets all products to put in dropdown in admin settings page

memberpress-subscr-dropdown.php

<?php
//gets all products to put in dropdown in admin settings page
function meprprorata_products_dropdown_cb($args, $access= array())
{
//$available = new MeprCouponsHelper::products_dropdown();
$access = is_array($access) ? $access : array();
$contents = array();

$posts = MeprCptModel::all('MeprProduct');

foreach($posts as $post)
  $contents[$post->ID] = $post->post_title;

?>
  <select name="<?php echo $args['name']; ?>" id="<?php echo $args['id']; ?>[]" 
  class="mepr-prorata-products-select" multiple="false">
  <option value="-1">Select Product to Associate Fee to</option>
  <?php
    foreach($contents as $curr_type => $curr_label)
    {
      ?>
      <option value="<?php echo $curr_type; ?>" <?php echo (in_array($curr_type, $access))?'selected="selected"':''; ?>><?php echo $curr_label; ?>&nbsp;</option>
      <?php
    }
  ?>
  </select>
  Selected: <div id="MpprText"></div>
  <p><?php print( $args['description'] ); ?></p>

<?php
}
/**
and in settings fields
*/
add_settings_field(
    'meprprorata_products_dropdown',
    esc_attr__('Available Products', 'meprprorata'),
    'meprprorata_products_dropdown_cb',
    'meprprorata_options',
    'meprprorata_options_section',
    array( 
        'id'           => 'MpprSelect',
        'name'         => 'meprprorata_products_dropdown',
        'value'        => empty( get_option( 'meprprorata_options' )['meprprorata_products_dropdown'] ) 
                  ? '2019-09-01' : get_option( 'meprprorata_options' )['meprprorata_products_dropdown'], 
        'description'  => esc_html__( 'Select products that apply to', 'woocommerce' )
    )
);