PhutilHashingIterator.php
b4f38af38480production

PhutilHashingIterator.php
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			<?php

			final class PhutilHashingIterator
			extends PhutilProxyIterator
			implements Iterator {

			private $hash;
			private $algorithm;

			public function setAlgorithm($algorithm) {
			$this->algorithm = $algorithm;
			return $this;
			}

			public function getAlgorithm() {
			return $this->algorithm;
			}

			public function getHash() {
			$hash = $this->getHashResource();
			return hash_final($hash, $raw_output = false);
			}

			protected function didReadValue($value) {
			$hash = $this->getHashResource();

			hash_update($hash, $value);

			return $value;
			}

			private function getHashResource() {
			if (!$this->hash) {
			$algorithm = $this->getAlgorithm();
			$this->hash = hash_init($algorithm);
			}
			return $this->hash;
			}

			}