#29536 [NEW]: Example correction

From: mdhp at gmx dot de Operating system: PHP version: Irrelevant PHP Bug Type: Documentation problem Bug description: Example correction Description: ------------ In Manual (http://www.php.net/manual/en/migration5.oop.php) Migrating from PHP 4 to PHP 5 New Object Model Example B-4. Private and Protected Members accesibility. Some output-hints/descriptions were wrong and var definition(content) confusing. Reproduce code: --------------- <?php class MyClass { private $Hello = "Hello, World!\n"; protected $Bar = "Hello, Foo!\n"; protected $Foo = "Hello, Bar!\n"; function printHello() { print "MyClass::printHello() " . $this->Hello; print "MyClass::printHello() " . $this->Bar; print "MyClass::printHello() " . $this->Foo; } } class MyClass2 extends MyClass { protected $Foo; function printHello() { MyClass::printHello(); /* Should print */ print "MyClass2::printHello() " . $this->Hello; /* Shouldn't print out anything */ print "MyClass2::printHello() " . $this->Bar; /* Shouldn't print (not declared)*/ print "MyClass2::printHello() " . $this->Foo; /* Should print */ } } $obj = new MyClass(); print $obj->Hello; /* Shouldn't print out anything */ print $obj->Bar; /* Shouldn't print out anything */ print $obj->Foo; /* Shouldn't print out anything */ $obj->printHello(); /* Should print */ $obj = new MyClass2(); print $obj->Hello; /* Shouldn't print out anything */ print $obj->Bar; /* Shouldn't print out anything */ print $obj->Foo; /* Shouldn't print out anything */ $obj->printHello(); ?> Expected result: ---------------- <?php class MyClass { private $Hello = "Hello, World!\n"; protected $Bar = "Hello, Bar!\n"; protected $Foo = "Hello, Foo!\n"; function printHello() { print "MyClass::printHello() " . $this->Hello; print "MyClass::printHello() " . $this->Bar; print "MyClass::printHello() " . $this->Foo; } } class MyClass2 extends MyClass { protected $Foo; function printHello() { MyClass::printHello(); /* Should print */ print "MyClass2::printHello() " . $this->Hello; /* Shouldn't print out anything */ print "MyClass2::printHello() " . $this->Bar; /* Should print */ print "MyClass2::printHello() " . $this->Foo; /* Should print but empty */ } } $obj = new MyClass(); print $obj->Hello; /* Shouldn't print out anything */ print $obj->Bar; /* Shouldn't print out anything */ print $obj->Foo; /* Shouldn't print out anything */ $obj->printHello(); /* Should print */ $obj = new MyClass2(); print $obj->Hello; /* Shouldn't print out anything */ print $obj->Bar; /* Shouldn't print out anything */ print $obj->Foo; /* Shouldn't print out anything */ $obj->printHello(); ?> -- Edit bug report at http://bugs.php.net/?id=29536&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=29536&r=trysnapshot4 Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=29536&r=trysnapshot5 Fixed in CVS: http://bugs.php.net/fix.php?id=29536&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=29536&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=29536&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=29536&r=needscript Try newer version: http://bugs.php.net/fix.php?id=29536&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=29536&r=support Expected behavior: http://bugs.php.net/fix.php?id=29536&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=29536&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=29536&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=29536&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=29536&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=29536&r=dst IIS Stability: http://bugs.php.net/fix.php?id=29536&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=29536&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=29536&r=float