Php/docs/zlib.resources
From Get docs
Resource Types
This extension defines a file pointer resource returned by
gzopen().
Prior to PHP 8.0.0, zlib.deflate and zlib.inflate
resources were also defined.
This extension defines a file pointer resource returned by
gzopen().
Prior to PHP 8.0.0, zlib.deflate and zlib.inflate
resources were also defined.