PHP MD5 Encryption 16-bit implementation method

SUBSTR (MD5 ("admin"), 8,16); 16-bit MD5 encryption MD5 ("admin"); 32-bit MD5 encryption Copy Code PHP MD5 16-bit and 32-bit implementation code Code: Echo substr (MD5 ("admin"), 8,16); 16-bit MD5 encryption echo ""; echo MD5 ("admin"); 32-bit MD5 encryption ?> Copy Code The 16-bit MD5 encryption uses the SUBSTR function to intercept the characters that are implemented. Attached: If you encounter MD5 encrypted file, but do not know the password, please exchange this set of encrypted data in the database. echo MD5 ("admin", true);//returns 16 bits Copy Code

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