note 113092 added to language.references.whatdo

From: Date: Wed, 28 Aug 2013 19:58:41 +0000
Subject: note 113092 added to language.references.whatdo
Groups: php.notes 
Request: Send a blank email to php-notes+get-196107@lists.php.net to get a copy of this message
Something that has not been discussed so far is reference of a reference. I needed a quick and dirty method of aliasing incorrect naming until a proper rewrite could be done. Hope this saves someone else the time of testing since it was not covered in the Does/Are/Are Not pages. Far from best practice, but it worked. <?php $a = 0; $b =& $a; $a =& $b; $a = 5; echo $a . ', ' . $b; //ouputs: 5,5 echo ' | '; $b = 6; echo $a . ',' . $b; //outputs: 6,6 echo ' | '; unset( $a ); echo $a . ', ' . $b; //outputs: , 6 class Product { public $id; private $productid; public function __construct( $id = null ) { $this->id =& $this->productid; $this->productid =& $this->id; $this->id = $id; } public function getProductId() { return $this->productid; } } echo ' | '; $Product = new Product( 1 ); echo $Product->id . ', ' . $Product->getProductId(); //outputs 1, 1 $Product->id = 2; echo ' | '; echo $Product->id . ', ' . $Product->getProductId(); //outputs 2, 2 $Product->id = null; echo ' | '; echo $Product->id . ', ' . $Product->getProductId(); //outouts , ---- Server IP: 69.147.83.199 Probable Submitter: 50.79.80.225 ---- Manual Page -- http://php.net/manual/en/language.references.whatdo.php Edit -- https://master.php.net/note/edit/113092 Del: integrated -- https://master.php.net/note/delete/113092/integrated Del: useless -- https://master.php.net/note/delete/113092/useless Del: bad code -- https://master.php.net/note/delete/113092/bad+code Del: spam -- https://master.php.net/note/delete/113092/spam Del: non-english -- https://master.php.net/note/delete/113092/non-english Del: in docs -- https://master.php.net/note/delete/113092/in+docs Del: other reasons-- https://master.php.net/note/delete/113092 Reject -- https://master.php.net/note/reject/113092 Search -- https://master.php.net/manage/user-notes.php

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