From: mjs at beebo dot org Operating system: OS X/Linux PHP version: 5.2.5 PHP Bug Type: PDO related Bug description: $this gets mangled when extending PDO with persistent connection
Description: ------------ The class of $this changes after the instantiation of a class which extends PDO, and which specifies PDO::ATTR_PERSISTENT attribute. Reproduce code: --------------- class Foo extends PDO { function __construct($dsn) { parent::__construct($dsn, null, null, array(PDO::ATTR_PERSISTENT => true)); } } class Baz extends PDO { function __construct($dsn) { parent::__construct($dsn, null, null, array(PDO::ATTR_PERSISTENT => true)); } } class Bar extends Baz { function quux() { echo get_class($this), "\n"; $foo = new Foo("sqlite::memory:"); echo get_class($this), "\n"; } } $bar = new Bar("sqlite::memory:"); $bar->quux(); Expected result: ---------------- Bar Bar i.e. get_class($this) returns the same value each time Actual result: -------------- Bar Foo i.e. $this gets mangled -- Edit bug report at http://bugs.php.net/?id=43831&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=43831&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=43831&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=43831&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=43831&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=43831&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=43831&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=43831&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=43831&r=needscript Try newer version: http://bugs.php.net/fix.php?id=43831&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=43831&r=support Expected behavior: http://bugs.php.net/fix.php?id=43831&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=43831&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=43831&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=43831&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=43831&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=43831&r=dst IIS Stability: http://bugs.php.net/fix.php?id=43831&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=43831&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=43831&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=43831&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=43831&r=mysqlcfg