From:             
Operating system: All
PHP version:      5.3.3
Package:          Scripting Engine problem
Bug Type:         Feature/Change Request
Bug description:Combined function default argument value

Description:
------------
First of all - I marked it as feature/chamge request (not bug) bcs it`s not
so 

important but maybe it`s a bug.



Official manual quote:

"The default value must be a constant expression, not (for example) a
variable, a 

class member or a function call."



Code written below is correct according to the documentation but
interpreter 

generate parse error: syntax error, unexpected '.', expecting ')'





function foobar($a = "abc"."def") { print($a); } //Wynik: Parse error:
syntax 

error, unexpected '.', expecting ')'

Test script:
---------------
define("TEST", "abc");

 

function foo($a = TEST) { print($a); } //Res: abc

function bar($a = "def") { print($a); } //Res: def

function foobar($a = TEST."def") { print($a); } //Wynik: Parse error:
syntax error, unexpected '.', expecting ')'



//abstract but also causes parse error

function foobar($a = "abc"."def") { print($a); } //Wynik: Parse error:
syntax error, unexpected '.', expecting ')'


-- 
Edit bug report at http://bugs.php.net/bug.php?id=52727&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=52727&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=52727&r=trysnapshot53
Try a snapshot (trunk):              
http://bugs.php.net/fix.php?id=52727&r=trysnapshottrunk
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=52727&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=52727&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=52727&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=52727&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=52727&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=52727&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=52727&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=52727&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=52727&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=52727&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=52727&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=52727&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=52727&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=52727&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=52727&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=52727&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=52727&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=52727&r=mysqlcfg

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