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Rev 797 Rev 1130
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 * limitations under the License.
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 */
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 */
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/**
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 * @param int $treshold_secs
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 * @param bool $verbose
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 * @return int
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 */
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function bcrypt_rounds($treshold_secs, $verbose=true) {
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function bcrypt_rounds(int $treshold_secs, bool $verbose=true): int {
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	if ($verbose) echo "Searching BCrypt cost (rounds) for <$treshold_secs secs...\n";
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	if ($verbose) echo "Searching BCrypt cost (rounds) for <$treshold_secs secs...\n";
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	$found = 31;
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	$found = 31;
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	for ($rounds=4; $rounds<=31; $rounds++) { // 4..31 is the valid range of PHP Bcrypt
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	for ($rounds=4; $rounds<=31; $rounds++) { // 4..31 is the valid range of PHP Bcrypt
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		$x = time();
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		$x = time();
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		$start = microtime(true);
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		$start = microtime(true);