Bug #77716 [NEW]: PDO show warning event the PDO::ERRMODE_EXCEPTION has been set

From: shyandsy at gmail dot com Operating system: CentOS 7.3.1611 PHP version: 7.2.16 Package: PDO Core Bug Type: Bug Bug description:PDO show warning event the PDO::ERRMODE_EXCEPTION has been set Description: ------------ The PDO shows warning event I have set the error mode to exception Test script: --------------- <?php define(DB_HOSTNAME, ""); define(DB_PORT, ""); define(DB_DATABASE, ""); define(DB_USERNAME, ""); define(DB_PASSWORD, ""); echo DB_HOSTNAME . "\n"; try{ $dsn = "mysql:host=" . DB_HOSTNAME. ";port=" . DB_PORT . ";dbname=" . DB_DATABASE; $pdo = new PDO($dsn,DB_USERNAME,DB_PASSWORD, [ PDO::ATTR_PERSISTENT => true, PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION] ); $pdo->query("SET wait_timeout=1;"); sleep(3); $pdo->query("select * from dev_user"); }catch(\PDOException $e){ echo $e->getMessage() . "<br>"; } Expected result: ---------------- SQLSTATE[HY000]: General error: 2006 MySQL server has gone away Actual result: -------------- [root@localhost experiment]# php MysqlGoneAway.php 192.168.216.133 PHP Warning: PDO::query(): MySQL server has gone away in /home/wwwroot/www.xxx.com/experiment/MysqlGoneAway.php on line 21 PHP Warning: PDO::query(): Error reading result set's header in /home/wwwroot/www.xxx.com/experiment/MysqlGoneAway.php on line 21 SQLSTATE[HY000]: General error: 2006 MySQL server has gone away -- Edit bug report at https://bugs.php.net/bug.php?id=77716&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77716&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77716&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77716&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77716&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77716&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77716&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77716&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77716&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77716&r=support Expected behavior: https://bugs.php.net/fix.php?id=77716&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77716&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77716&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77716&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77716&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77716&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77716&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77716&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77716&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77716&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77716&r=mysqlcfg