<?php
/**
 * Removal.
 *
 * Runs on delete, not on deactivate. Someone deactivating a plugin is usually debugging and
 * expects their settings back when they re-enable it; someone deleting it has said they are
 * finished, and leaving rows in wp_options after that is litter.
 *
 * @package Lexiscript
 */

if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
	exit;
}

/**
 * Delete this plugin's options, on every site of a network if there is one.
 *
 * Wrapped in a function rather than written at the top level because uninstall.php is
 * executed in the global scope, so a top-level variable here is a global variable — and
 * $site_id in particular is a name WordPress itself uses on multisite.
 */
function lexiscript_uninstall_cleanup() {
	// lexiscript_widget_host is no longer written — the widget host is a wp-config.php
	// constant now — but it is still removed here so an early install leaves nothing behind.
	$options = array( 'lexiscript_site_key', 'lexiscript_widget_host' );

	foreach ( $options as $option ) {
		delete_option( $option );
	}

	if ( ! is_multisite() ) {
		return;
	}

	// Options are per-site, so each one has to be cleared on its own.
	foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $blog_id ) {
		switch_to_blog( (int) $blog_id );
		foreach ( $options as $option ) {
			delete_option( $option );
		}
		restore_current_blog();
	}
}

lexiscript_uninstall_cleanup();