note 60440 added to language.oop5.visibility

From: Date: Fri, 06 Jan 2006 23:57:37 +0000
Subject: note 60440 added to language.oop5.visibility
Groups: php.notes 
Request: Send a blank email to php-notes+get-101330@lists.php.net to get a copy of this message
<?php class test { function __construct () { $this->privvar = 'Hello world'; $this->provar = 'Protected, isn\'t it ?'; $this->otherone = 'Hello, I\'m private... hum... I think!'; } private $privvar; protected $provar; private $otherone; } function GetProtectedOrPrivateProperty ( & $object, $Property ) { $arrayObj = (array) $object; // cast to array, in order to access all properties... $private = chr(0).get_class ( $object ).chr(0).$Property; //build "private index" $protected = chr(0).'*'.chr(0).$Property; //build "protected index" if ( array_key_exists($private,$arrayObj) ) // does it exist in private scope ? { return $arrayObj [ $private ]; } if ( array_key_exists($protected,$arrayObj) ) // does it exist in protected scope ? { return $arrayObj [ $protected ]; } return NULL; } $test = new test(); // let's test... $var = & GetProtectedOrPrivateProperty( $test , 'otherone'); // get the private/protected Property by reference echo $var.'<br />'; // print it out $var = 'What ? Am I discovered ?'; // wanna change it ... will it work ? echo GetProtectedOrPrivateProperty( $test , 'otherone'); // Had it changed ? ?> And magic happens... Hello, I'm private... hum... I think! What ? Am I discovered ? I created this code to bypass a strange fact... <?php class childTest extends test { function __construct( test $parentobject ) { echo $parentobject->provar; // provar is a parent's protected property so it may be accessible. } } $child = new childTest ($test ); ?> Fatal error: Cannot access protected property test::$provar in W:\www\exetron\v2\testProtectedPrivate.php on line 61 bye bye... PHP 5.0.4 ---- Manual Page -- http://www.php.net/manual/en/language.oop5.visibility.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+60440 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+60440&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+60440&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+60440&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+60440&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+60440&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+60440&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+60440&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+60440&report=yes Search -- http://master.php.net/manage/user-notes.php

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