note 91181 added to language.variables.variable

From: Date: Thu, 28 May 2009 21:47:12 +0000
Subject: note 91181 added to language.variables.variable
Groups: php.notes 
Request: Send a blank email to php-notes+get-156126@lists.php.net to get a copy of this message
<?php // $variable-name = 'parse error'; // You can't do that but you can do this: $a = 'variable-name'; $$a = 'hello'; echo $variable-name . ' ' . $$a; // Gives 0 hello ?> For a particular reason I had been using some variable names with hyphens for ages. There was no problem because they were only referenced via a variable variable. I only saw a parse error much later, when I tried to reference one directly. It took a while to realise that illegal hyphens were the cause because the parse error only occurs on assignment. ---- Server IP: 87.124.35.190 Probable Submitter: 84.92.139.196 ---- Manual Page -- http://www.php.net/manual/en/language.variables.variable.php Edit -- https://master.php.net/note/edit/91181 Del: integrated -- https://master.php.net/note/delete/91181/integrated Del: useless -- https://master.php.net/note/delete/91181/useless Del: bad code -- https://master.php.net/note/delete/91181/bad+code Del: spam -- https://master.php.net/note/delete/91181/spam Del: non-english -- https://master.php.net/note/delete/91181/non-english Del: in docs -- https://master.php.net/note/delete/91181/in+docs Del: other reasons-- https://master.php.net/note/delete/91181 Reject -- https://master.php.net/note/reject/91181 Search -- https://master.php.net/manage/user-notes.php

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