[Phpmyadmin-devel] PEAR coding standards about require_once
Marc Delisle
Marc.Delisle at cegepsherbrooke.qc.ca
Sat Jul 8 15:09:35 CEST 2006
Sebastian Mendel a écrit :
> Marc Delisle schrieb:
>> Hi,
>>
>> don't you feel that something is not consistent between
>>
>> http://pear.php.net/manual/en/standards.including.php
>> and
>> http://pear.php.net/manual/en/standards.control.php
>
> no
>
>
>> "require_once" and "if" are both statements, so why does the PEAR
>> standard say that you need parenthesis for "if" and not for "require_once"?
>
> cause 'if' requires parenthesis for correct syntax
>
> and if i would agree you than we had to rite
>
> require_once ('file.php');
>
> and not
>
> require_once('file.php');
>
> same for return
>
> return ($var);
>
> !!! BUT:
>
> Note: Note that since return() is a language construct and not a
> function, the parentheses surrounding its arguments are only required if
> the argument contains an expression. It is common to leave them out
> while returning a variable, and you actually should as PHP has less work
> to do in this case.
>
> Note: You should never use parentheses around your return variable when
> returning by reference, as this will not work. You can only return
> variables by reference, not the result of a statement. If you use return
> ($a); then you're not returning a variable, but the result of the
> expression ($a) (which is, of course, the value of $a).
>
>
> i don't know if "It is common to leave them out while returning a
> variable, and you actually should as PHP has less work to do in this
> case." also applies to 'require'
>
>
> so i think you should never write parenthesis where it is not required.
>
Too bad the PHP manual does not follow PEAR coding standards:
http://ca3.php.net/manual/en/function.require-once.php
require_once("a.php"); // this will include a.php
Marc
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