[Phpmyadmin-devel] PEAR coding standards about require_once
lists at sebastianmendel.de
Sat Jul 8 15:18:48 CEST 2006
Marc Delisle schrieb:
> Sebastian Mendel a écrit :
>> Marc Delisle schrieb:
>>> don't you feel that something is not consistent between
>>> "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
>> 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:
> require_once("a.php"); // this will include a.php
this is not en example for require_once, it is an example for case
sensitivity in filenames ... ;-)
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