PMPro - Show Membership Number Only for Certain Level

pmpro-show-membership-number-level,.php

<?php
/**
 * Generates a membership number for each user. If they are not in a
 * specified level, the membershpip number does not show.
 * 
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

define( 'PMPRO_LEVELS_ACCESS_MEMBER_NUMBER', array( 10 ) ); // Please modify me.
function generate_member_number( $user_id ) {
	$member_number = get_user_meta( $user_id, 'member_number', true );

	// if no member number, create one
	if ( empty( $member_number ) ) {
		global $wpdb;

		// this code generates a string 10 characters long of numbers and letters
		while ( empty( $member_number ) ) {
			$scramble      = md5( AUTH_KEY . current_time( 'timestamp' ) . $user_id . SECURE_AUTH_KEY );
			$member_number = substr( $scramble, 0, 10 );
			$check         = $wpdb->get_var( "SELECT meta_value FROM $wpdb->usermeta WHERE meta_value = '" . esc_sql( $member_number ) . "' LIMIT 1" );
			if ( $check || is_numeric( $member_number ) ) {
				$member_number = null;
			}
		}

		// save to user meta
		update_user_meta( $user_id, 'member_number', $member_number );

		return $member_number;
	}
}
add_action( 'user_register', 'generate_member_number' );

// Show it on the membership account page.
function pmpromn_pmpro_account_bullets_bottom() {
	if ( is_user_logged_in() ) {

		global $current_user;

		if ( ! pmpro_hasMembershipLevel( PMPRO_LEVELS_ACCESS_MEMBER_NUMBER, $current_user->ID ) ) {
			return;
		}
		// get member number
		$member_number = get_user_meta( $current_user->ID, 'member_number', true );

		// if no number, generate one
		if ( empty( $member_number ) ) {
			$member_number = generate_member_number( $current_user->ID );
		}

		// show it
		if ( ! empty( $member_number ) ) {
			?>
		<li><strong><?php _e( 'Member Number', 'pmpro' ); ?>:</strong> <?php echo $member_number; ?></li>
			<?php
		}
	}
}
add_action( 'pmpro_account_bullets_bottom', 'pmpromn_pmpro_account_bullets_bottom' );
add_action( 'pmpro_invoice_bullets_bottom', 'pmpromn_pmpro_account_bullets_bottom' );

// show member_number in confirmation emails
function pmpromn_pmpro_email_filter( $email ) {
	global $wpdb;

	// only update admin confirmation emails
	if ( strpos( $email->template, 'checkout' ) !== false ) {
		if ( ! empty( $email->data ) && ! empty( $email->data['user_login'] ) ) {
			$user = get_user_by( 'login', $email->data['user_login'] );
			if ( ! empty( $user ) && ! empty( $user->ID ) ) {
				$member_number = get_user_meta( $user->ID, 'member_number', true );

				if ( ! empty( $member_number ) ) {
					$email->body = str_replace( '<p>Membership Level', '<p>Member Number:' . $member_number . '</p><p>Membership Level', $email->body );
				}
			}
		}
	}

	return $email;
}
add_filter( 'pmpro_email_filter', 'pmpromn_pmpro_email_filter', 30, 2 );

function pmpromn_pmpro_custom_membership_number( $pmpro_membership_card_user, $print_sizes, $qr_code, $qr_data ) {
	if ( ! is_user_logged_in() ) {
		return;
	}
	global $current_user;
	$user_id = $current_user->ID;

	if ( ! pmpro_hasMembershipLevel( PMPRO_LEVELS_ACCESS_MEMBER_NUMBER, $current_user->ID ) ) {
		return;
	}

	// get member number
	$member_number = get_user_meta( $current_user->ID, 'member_number', true );

	// if no number, generate one
	if ( empty( $member_number ) ) {
		$member_number = generate_member_number( $current_user->ID );
	}

	// show it
	if ( ! empty( $member_number ) ) {
		?>
	<p><strong><?php _e( 'Member Number', 'pmpro' ); ?>:</strong> <?php echo esc_html( $member_number ); ?></p>
		<?php
	}
}

add_action( 'pmpro_membership_card_after_card', 'pmpromn_pmpro_custom_membership_number', 10, 4 );