1--TEST-- 2Bug #43831 ($this gets mangled when extending PDO with persistent connection) 3--EXTENSIONS-- 4pdo_sqlite 5--FILE-- 6<?php 7 8class Foo extends PDO { 9 function __construct($dsn) { 10 parent::__construct($dsn, null, null, array(PDO::ATTR_PERSISTENT => true)); 11 } 12} 13 14class Baz extends PDO { 15 function __construct($dsn) { 16 parent::__construct($dsn, null, null, array(PDO::ATTR_PERSISTENT => true)); 17 } 18} 19 20class Bar extends Baz { 21 function quux() { 22 echo get_class($this), "\n"; 23 $foo = new Foo("sqlite::memory:"); 24 echo get_class($this), "\n"; 25 } 26} 27 28$bar = new Bar("sqlite::memory:"); 29$bar->quux(); 30 31 32class MyPDO extends PDO {} 33 34$bar = new PDO("sqlite::memory:", null, null, array(PDO::ATTR_PERSISTENT => true)); 35$baz = new MyPDO("sqlite::memory:", null, null, array(PDO::ATTR_PERSISTENT => true)); 36 37var_dump($bar); 38unset($bar); 39var_dump($baz); 40var_dump($bar); 41 42 43?> 44--EXPECTF-- 45Bar 46Bar 47object(PDO)#%d (0) { 48} 49object(MyPDO)#%d (0) { 50} 51 52Warning: Undefined variable $bar in %s on line %d 53NULL 54