https://www.php.net/manual/de/function.stream-get-filters.php
PHP: stream_get_filters - Manual
Retrieve list of registered filters
php streamget filtersmanual
https://www.elastic.co/docs/api/doc/elasticsearch/v9/operation/operation-ml-get-filters
Get filters | Elasticsearch API documentation (v9)
get filterselasticsearch apidocumentationv9
https://www.mic.com/articles/158719/snapchat-update-election-day-themed-filters-urge-millennials-to-get-out-and-vote
Snapchat update: Election Day-themed filters urge millennials to get out and vote
Nov 7, 2016 - A little reminder on Facebook was responsible for a "significant" impact on online voter registration. Can a Snapchat filter involving raining ballots or...