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Bug #38215 functions arg lists with &$var = 'some default' broken? (works in php 5)
Submitted: 2006-07-26 05:32 UTC Modified: 2006-07-30 08:35 UTC
From: php at elitecoders dot com Assigned:
Status: Wont fix Package: Scripting Engine problem
PHP Version: 4.4.2 OS: CentOS
Private report: No CVE-ID: None
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 [2006-07-26 05:32 UTC] php at elitecoders dot com
When a function argument list contains a variable reference 
which has a default value, there is no output. It may be 
because of a crash, but I was unable to test for that because 
I don't have access to the log files.

This reproduce code works as expected in php 5.

Reproduce code:

function exec_bug(&$var_ref = NULL) {


echo "working.";


Expected result:


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 [2006-07-26 07:07 UTC]
Parse error: syntax error, unexpected '=', expecting ')'
You have to update your PHP version if you want to use this syntax.
 [2006-07-30 08:35 UTC] php at elitecoders dot com
When I ran the code it resulted in a completely blank 
window. Also blank when I viewed the source - No errors, 
nothing at all.

If I had gotten a parse error I would have re-written the 
code without posting a bug report.

Since you've gotten a parse error out of it though, I'll 
have to assume that; for some reason, the server I was 
testing on has php configured to not warn of parse errors.
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