filter email to avoid pending notification on pmpro approvals Add On for renewals

filter_email.php

<?php 

/**
 * Adjust default emails to show that the user is active for renewals 
 */
 function pmpro_email_filter( $email ) {
	if( class_exists('PMPro_Approvals') ) {
  		$email_templates = array( 'checkout_paid', 'checkout_check', 'checkout_express' );

		//Get the user from the Email object.
  		$email_user = get_user_by( 'email', $email->email );
  		//Determine if the user has been approved already for the email membership.
		$approval_status = PMPro_Approvals::getUserApprovalStatus( $email_user->ID, $email->data['membership_id'] );
  		// If it's the tempalte we're expecting and user has been approved, replace the text.
		if ( in_array( $email->template, $email_templates ) && strtolower( $approval_status ) == "approved" ) {
			//Change the body text to show pending by default.
			$email->body = str_replace( 'Your membership account is now pending. You will be notified once your account has been approved/denied.', 'Your membership account is now active.',  $email->body );
		}
		return $email;
	}
}

add_filter( 'pmpro_email_filter', 'pmpro_email_filter', 20 );