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These functions are intended to work with » mhash. Mhash can be used to create checksums, message digests, message authentication codes, and more.

This is an interface to the mhash library. Mhash supports a wide variety of hash algorithms such as MD5, SHA1, GOST, and many others. For a complete list of supported hashes, refer to the constants page. The general rule is that you can access the hash algorithm from PHP with MHASH_hashname. For example, to access TIGER you use the PHP constant MHASH_TIGER.


This extension is obsoleted by Hash.


As of PHP 7.0.0 the Mhash extension has been fully integrated into the Hash extension. Therefore, it is no longer possible to detect Mhash support with extension_loaded(); use function_exists() instead. Furthermore, Mhash is no longer reported by get_loaded_extensions() and related features.

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