PMPRO - Grace Period (After expiration date is met)

pmpro-grace-period.php

<?php

/*
 * Add 15 day grace period when membership expires
 */
function my_pmpro_membership_post_membership_expiry( $user_id, $level_id ) {
	// Make sure we aren't already in a grace period for this level
	$grace_level = get_user_meta( $user_id, 'grace_level', true );
	if ( empty( $grace_level ) || $grace_level !== $level_id ) {
		// Give them their level back with 15 day expiration
		$grace_level                  = array();
		$grace_level['user_id'] = $user_id;
		$grace_level['membership_id'] = $level_id;
		$grace_level['enddate']       = date( 'Y-m-d H:i:s', strtotime( '+15 days', current_time( 'timestamp' ) ) );
		$changed = pmpro_changeMembershipLevel( $grace_level, $user_id );
		update_user_meta( $user_id, 'grace_level', $level_id );
		
		// Automatically approve the user.
		update_user_meta(
			$user_id, 'pmpro_approval_' . $level_id, array(
				'status'    => 'approved',
				'timestamp' => current_time( 'timestamp' ),
				'who'       => 1, // change this to admin ID
				'approver'  => 'admin', // change this name.
			)
		);
	}
	else
		delete_user_meta($user_id, 'grace_level');
}

add_action('pmpro_membership_post_membership_expiry', 'my_pmpro_membership_post_membership_expiry', 10, 2);