Assign a default role with the PMPro membership plan

pmpro_default_role.php

/*
 subscriber will be assigned to default role when they sign up
*/
function my_pmpro_after_change_membership_level($level_id, $user_id)
{
	if($level_id > 0){
	
		$role = get_option('pmpro_role_for_id_'.$level_id);
		
		$wp_user_object = new WP_User($user_id);
		
		if($role == ''){
			$wp_user_object->set_role('subscriber');
		}
		else{
			$wp_user_object->set_role($role);
		}		
		
	}
}

add_action("pmpro_after_change_membership_level", "my_pmpro_after_change_membership_level", 10, 2);

/*
 * add the options panel to set a default role
 * that is to be added to the user while subscribing
 * with the corresponding plan
 *  
 * */

function my_pmpro_membership_level_after_other_settings(){
	?>
	
	
		<h3 class="topborder"><?php _e('Role Settings', 'pmpro');?></h3>
		<table class="form-table">
			<tbody>
				<tr>
					<th scope="row" valign="top"><label for="prp-roles"><?php _e('Role', 'pmpro');?>:</label></th>
					<td>
						<?php
						
							global $wp_roles;
							
							if(isset($_REQUEST['edit'])){
								
								$edit = $_REQUEST['edit'];
								
								$role = get_option('pmpro_role_for_id_'.$edit);
							}
							else{
								$role="";
							}
							
							$options = '<option value="-1">Choose Role</option>';
							
							foreach ( $wp_roles->roles as $key=>$value ){
								$options .= "<option value=\"{$key}\" " . selected($role, $key, false) . ">{$value['name']}</option>";
							}
						
						?>
						<select name="default_role" id="prp-roles"><?php echo $options;?></select>
						<p class="description">Choose the default Role for this subscription</p>
					</td>
				</tr>
			</tbody>
		</table>
	
	
	<?php 
}

add_action('pmpro_membership_level_after_other_settings','my_pmpro_membership_level_after_other_settings');


/*
 * save the custom option with user role associated with the current subscription
* plan on saving the corresponding one.
*
* */

function my_pmpro_save_membership_level($id){	

	if( $id <=0 ){
		return;
	}
	
	$role = esc_attr($_REQUEST['default_role']);
	
	update_option('pmpro_role_for_id_'.$id, $role );
	
}

add_action('pmpro_save_membership_level','my_pmpro_save_membership_level');

/*
 * delete the custom option that was saved for the current subscription
 * plan on the deletion of the corresponding one.
 *   
 * */

function bmc_pmpro_delete_membership_level($id){
	if( $id <=0 ){
		return;
	}
	
	delete_option('pmpro_role_for_id_'.$id);
}

add_action('pmpro_delete_membership_level','bmc_pmpro_delete_membership_level');