PHP :: Request #13892 :: too many number of parameters

too many number of parameters

Submitted:

2001-10-31 19:09 UTC

Modified:

2010-11-18 12:38 UTC

Votes:	17
Avg. Score:	3.7 ± 1.6
Reproduced:	14 of 15 (93.3%)
Same Version:	5 (35.7%)
Same OS:	11 (78.6%)

From:

yasuo_ohgaki at yahoo dot com

Assigned:

Status:

Wont fix

Package:

Scripting Engine problem

PHP Version:

Zend Engine 2

OS:

any

Private report:

CVE-ID:

None

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From:	yasuo_ohgaki at yahoo dot com
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New/Additional Comment:

[2001-10-31 19:09 UTC] yasuo_ohgaki at yahoo dot com

Currently, it seems PHP is designed NOT to report errors for too many paramaters for user defined functions.

"..." for variable length paramters. Raise error without "...", for example.

function foo($var1, $var2, ...)

assert(count(function_get_args()) <= 3);
or like can be used to check num of paramters, but module functions checks num of parameters. User functions are better to behave the same way by default. IMHO.

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[2001-11-04 16:06 UTC] sander@php.net

Changing this would break a lot of scripts.
And what's wrong with specifying too many parameters? If you don't use them explicitly, they don't influence the function, so why care about them?

[2001-11-04 19:38 UTC] yasuo_ohgaki at yahoo dot com

I know it may break a lot of scripts that has written poorly. I'm not suggesting to change the behavior immediately, without a ini entry or build option. :) 

Without proper variable length parameters handling, too many parameters for a function is obvious programming mistake. This behaviour is inconsistent with functions defined by modules also. 

Zend is better to have option to warn, if caller called a user defined functions with too many arguments. IMHO. 
However PHP is scripting language, adding too many features to language is not good idea. Just a suggestion.

[2001-11-05 03:48 UTC] jmoore@php.net

I think current behaviour is fine, Module functions dont have to check how many arguments they have, they can if they want but there are some that dont for various reasons.

The current situation seems to work ok and there is no reason why passing extra arguments is an error as they dont effect the running of the program.

- James

[2001-11-05 10:44 UTC] cynic@php.net

I'm also unhappy with the current behavior. It's a source of hard to find bugs, and, IMO, not a very useful feature. PHP has provisions for handling varargs, so why not stick with them?

[2010-11-18 12:38 UTC] jani@php.net

-Status: Open +Status: Wont fix -Package: Feature/Change Request +Package: Scripting Engine problem

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