bp_settings_verify_email_change()

function bp_settings_verify_email_change() {
	if ( ! bp_is_settings_component() ) {
		return;
	}

	if ( ! bp_is_my_profile() ) {
		return;
	}

	$redirect_to = trailingslashit( bp_displayed_user_domain() . bp_get_settings_slug() );

	// Email change is being verified.
	if ( isset( $_GET['verify_email_change'] ) ) {
		$pending_email = bp_get_user_meta( bp_displayed_user_id(), 'pending_email_change', true );

		// Bail if the hash provided doesn't match the one saved in the database.
		if ( ! hash_equals( urldecode( $_GET['verify_email_change'] ), $pending_email['hash'] ) ) {
			return;
		}

		$email_changed = wp_update_user( array(
			'ID'         => bp_displayed_user_id(),
			'user_email' => trim( $pending_email['newemail'] ),
		) );

		if ( $email_changed ) {

			// Delete the pending email change key.
			bp_delete_user_meta( bp_displayed_user_id(), 'pending_email_change' );

			// Post a success message and redirect.
			bp_core_add_message( __( 'You have successfully verified your new email address.', 'buddyboss' ) );
		} else {
			// Unknown error.
			bp_core_add_message( __( 'There was a problem verifying your new email address. Please try again.', 'buddyboss' ), 'error' );
		}

		bp_core_redirect( $redirect_to );
		die();

	// Email change is being dismissed.
	} elseif ( ! empty( $_GET['dismiss_email_change'] ) ) {
		$nonce_check = isset( $_GET['_wpnonce'] ) && wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), 'bp_dismiss_email_change' );

		if ( $nonce_check ) {
			bp_delete_user_meta( bp_displayed_user_id(), 'pending_email_change' );
			bp_core_add_message( __( 'You have successfully dismissed your pending email change.', 'buddyboss' ) );
		}

		bp_core_redirect( $redirect_to );
		die();
	}
}