Select Specifc Group By Default On Wall Posting Form Post In Dropdown

yzc_select_specific_group_on_wall_form_post_in_dropdown.php

<?php

/**
 * Select Specifc Group By Default On Wall Posting Form Post In Dropdown.
 */
function yzc_select_specific_group_on_wall_form_post_in_dropdown() { ?>

    <script type="text/javascript">
        <?php $group_id = 10; ?>
        jQuery( '#yz-whats-new-post-in option[value="<?php echo $group_id; ?>"]' ).attr( 'selected', true );
    </script>
    <?php

}
add_action( 'wp_footer', 'yzc_select_specific_group_on_wall_form_post_in_dropdown' );