Pure PHP implementation of SHA-3
<?php
use bb\Sha3\Sha3;
Sha3::hash('', 224);
// 6b4e03423667dbb73b6e15454f0eb1abd4597f9a1b078e3f5b5a6bc7
Sha3::hash('', 256);
// a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a
Sha3::hash('', 384);
// 0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2ac3713831264adb47fb6bd1e058d5f004
Sha3::hash('', 512);
// a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26
Sha3::shake('', 128, 256);
// 7f9c2ba4e88f827d616045507605853ed73b8093f6efbc88eb1a6eacfa66ef26
Sha3::shake('', 256, 512);
// 46b9dd2b0ba88d13233b3feb743eeb243fcd52ea62b81b82b50c27646ed5762fd75dc4ddd8c0f200cb05019d67b592f6fc821c49479ab48640292eacb3b7c4be