Bug #75018 [NEW]: Data corruption when reading fields of bit type

From: ale5000 at gmail dot com Operating system: Windows 7 64-bit PHP version: 7.1.7 Package: MySQLi related Bug Type: Bug Bug description:Data corruption when reading fields of bit type Description: ------------ It corrupt data when reading fields of bit type. See the sample code. The problem is possibly Windows specific but I'm not sure. Test script: --------------- <?php $username = 'root'; $password = ''; $database_name = 'test_db'; $mysqli = new mysqli('127.0.0.1', $username, $password, $database_name); if($mysqli->connect_errno) die('Error'); $sql = "CREATE TABLE test (bit_column_1 bit(1) NOT NULL) DEFAULT CHARSET=utf8"; $mysqli->query($sql); $sql = "INSERT INTO test (bit_column_1) VALUES (0)"; $mysqli->query($sql); $sql = "SELECT bit_column_1 FROM test"; if(!$result = $mysqli->query($sql)) die('Failed'); $row = $result->fetch_assoc(); echo "Result: ".$row['bit_column_1']; Expected result: ---------------- 0 Actual result: -------------- 668556962937438208 -- Edit bug report at https://bugs.php.net/bug.php?id=75018&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75018&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75018&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75018&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75018&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75018&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75018&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75018&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75018&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75018&r=support Expected behavior: https://bugs.php.net/fix.php?id=75018&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75018&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75018&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75018&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75018&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75018&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75018&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75018&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75018&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75018&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75018&r=mysqlcfg