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                                            foreach((get_the_category()) as $category) {
                                                echo $category->cat_name . ', ';


So I'm echoing it like this because I don't want the categories to appear as hyperlinks, I just want the cat names. The problem is I can't get rid of the last separator so it ends up like : category, category, category,

I tried 'stripping' it (php seriously confuses me small design mind)

                                            foreach((get_the_category()) as $category) {
                                                echo $category->cat_name . ', ';
                                                echo rtrim($category, ", ");

That didn't trim it though.

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1 Answer 1

up vote 1 down vote accepted

There are two ways to solve this issue. You need a clean array of category names for both, so let’s start with that:

$cat_names = wp_list_pluck( get_the_category(), 'cat_name');

$cat_names is now an array with just the names:

    [0] => aciform
    [1] => Cat A
    [2] => Cat B
    [3] => Cat C
    [4] => sub

Now you can use the simple way:

echo join( ', ', $cat_names );

Result: aciform, Cat A, Cat B, Cat C, sub

But my recommendation is to use the grammatically correct list, use wp_sprintf_l():

echo wp_sprintf_l( '%l', $cat_names );

Result: aciform, Cat A, Cat B, Cat C, and sub

wp_sprintf_l() will use a localized separator for the last two items, so in a German site this would output: aciform, Cat A, Cat B, Cat C und sub.

And you don’t even have to care about the correct translation – the proper separator is part of the regular language files.

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Yeah, that's fantastic toscho, thanks! I prefer the second one, though it's not quite grammatically correct if it lists more than 3 categories. Since it says category, category, and category the last comma in that sentence shouldn't really be there. –  andy Feb 26 '13 at 0:52
@andy That’s a Serial comma and quite correct. You can filter 'between_last_two' and change it if you want. –  toscho Feb 26 '13 at 0:56

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