: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
private function deleteBoostedFeeds() {
$feeds = $conn->getCol('SELECT `feed_id` FROM ?n WHERE `boosted` = ?s', $this->cache_table_name, LASettingsUtils::YEP);
$conn->query('DELETE FROM ?n WHERE `feed_id` IN (?a)', $this->streams_sources_table_name, $feeds);
$values = ['system_enabled' => 0, 'boosted' => LASettingsUtils::NOPE];
$conn->query('UPDATE ?n SET ?u WHERE `boosted` = ?s', $this->cache_table_name, $values, LASettingsUtils::YEP);