openssl_decrypt Decrypts data &reftitle.description; stringopenssl_decrypt stringdata stringmethod stringpassword boolraw_inputfalse stringiv"" Takes a raw or base64 encoded string and decrypts it using a given method and key. &warn.undocumented.func; &reftitle.parameters; data The data. method The cipher method. password The password. raw_input Setting to &true; will take a raw encoded string, otherwise a base64 string is assumed for the data parameter. iv A non-NULL Initialization Vector. &reftitle.returnvalues; The decrypted string on success&return.falseforfailure;. &reftitle.errors; Emits an E_WARNING level error if an unknown cipher algorithm is passed via the method parameter. Emits an E_WARNING level error if an empty value is passed in via the iv parameter. &reftitle.changelog; &Version; &Description; 5.3.3 The iv parameter was added. &reftitle.seealso; openssl_encrypt