Is there any disavantages/drawbacks of storing commas after arrays?

Question

I've seen some of this "lazy coding technique" lately when creating arrays (in PHP):

$arr = array(
    array(
        'name' => 'mr magoo',
        'pet' => 'dog',
    ),
    array(
        'name' => 'superman',
        'pet' => 'cat',
    ),
    array(
        'name' => 'the hulk',
        'pet' => 'bear',
    ),
}

I absolutely see the point of having commas after each array, because it's easy to insert or delete some array without having to care about adding/deleting commas. (If I want to delete superman I just delete those rows)

$arr = array(
    array(
        'name' => 'mr magoo',
        'pet' => 'dog',
    ),
    array(
        'name' => 'the hulk',
        'pet' => 'bear',
    ),
}

Is there are any distadvantages/drawbacks using this "technique"? (I think what's really bugging me is that I think that PHP should generate an error or at least a warning because this commas is really not needed)

In javascript I know that there could be issues with some browsers (internet explorer of course) when having a comma (where it merely shouldn't be)

var info = {'mr maggo', 'hukl',}

but javascript is of course on the client-side, so that's another thing.

i think this covers it too :) http://stackoverflow.com/questions/2829581/why-do-php-array-examples-leave-a-trailing-comma — user1978142, May 28 '14 at 11:45
Problem when you're switching between PHP and javascript a lot, and get in the habit of just adding those trailing commas automatically, forgetting that you're editing a js file — Mark Baker, May 28 '14 at 11:48
@MarkBaker - yes, but I sure hope that I know when I'm editing php vs. javascript :-) — bestprogrammerintheworld, May 28 '14 at 11:49
The perils of "muscle memory" as my sporting colleagues would advise me — Mark Baker, May 28 '14 at 11:52
How do I handle this? I see there are duplicates of this question, and I've got my answer from other question, but I can't delete this question because I've got an answer here. — bestprogrammerintheworld, May 28 '14 at 11:53

Is there any disavantages/drawbacks of storing commas after arrays?

0 Answers0