Fixed php 7.3 compatibility for elasticsearch 6 #827
Merged
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Fixed php 7.3 compatibiltiy for elasticsearch 6.
See #825 for Elasticsearch 2 / 1
See #826 for Elasticsearch 5
See also #823 #803
https://wiki.php.net/rfc/deprecations_php_7_3#filter_flag_scheme_required_and_filter_flag_host_required
fixes #798