: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
$icl_rc_widget = get_option('widget_recent_comments');
if(!empty($icl_rc_widget)){
$rc_widgets = get_option('widget_recent-comments');
$rc_widgets[] = $icl_rc_widget;
update_option('widget_recent-comments', $rc_widgets);
delete_option('widget_recent_comments');
$wpdb->query("ALTER TABLE {$wpdb->prefix}icl_string_translations MODIFY COLUMN value TEXT NULL DEFAULT NULL");
$wpdb->query("ALTER TABLE {$wpdb->prefix}icl_string_translations ADD translator_id bigint(20) NULL DEFAULT NULL, ADD translation_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP");
// Disable the auto registration of strings if we are upgrading to 2.3.0
$iclsettings = get_option('icl_sitepress_settings');
$iclsettings['st']['icl_st_auto_reg'] = 'disable';
update_option('icl_sitepress_settings', $iclsettings);
// The icl_translators_cached format has change at some point.
// Let's clear the cache so it gets rebuilt.
delete_option($wpdb->prefix . 'icl_translators_cached');
delete_option($wpdb->prefix . 'icl_non_translators_cached');