(PHP 5 >= 5.4.0, PHP 7, PHP 8)
zlib_decode — Uncompress any raw/gzip/zlib encoded data
zlib_decode(string $data, int $max_length = 0): string|false
Uncompress any raw/gzip/zlib encoded data.
This function is currently not documented; only its argument list is available.
datamax_length Returns the uncompressed data, or false on failure.
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https://www.php.net/manual/en/function.zlib-decode.php