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The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

FORCE_GZIP (integer)
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User Contributed Notes 2 notes

diogoko at gmail dot com
4 years ago
A tried at 3v4l.org and the first version to have the ZLIB_ENCODING_* constants was 5.4.0.
dave dot mariano1991 at gmail dot com
5 years ago
I'm noticing that all the ZLIB_ENCODING_* constants are documented to exist as of PHP 7.0, but I seem to be able to use them in PHP 5.5.9.

Could someone please confirm this documentation?
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