please forgive me I'm relatively new to PHP...

I would like to create a shortcode called [city-name] and have tried placing the following code in my functions.php file:

function get_city_name() {
return $current_cityinfo['cityname'];
add_shortcode( 'city-name', 'get_city_name' );

Then entered the [city-name] shortcode into a page to test and there is no luck...

Is there something wrong with my syntax.... I have entered the following into my category pages and that works absolutely fine:

<h1 class="loop-title"><?php single_cat_title(); ?> - <?php echo $current_cityinfo['cityname'];?></h1>

I hope someone can help me out here... been searching for over 2 hrs now and no luck so thanks in advance!


  • 2
    You have to define the variable $current_cityinfo inside get_city_name(), before you can use it - it is a PHP scope problem, read up on it. If it is a global variable, then do it by using the key word. Otherwise you have to use whatever logic is behind the variable. Commented Mar 24, 2015 at 13:29

3 Answers 3


You need to get $current_cityinfo first. As in:

$current_cityinfo = get_option('current_cityinfo');

Or add this code:

global $current_cityinfo;

above your return line.

  • 1
    There is no information, indeed, but it usually is. It's not a meta value and it's not a custom category value, so it must be an option.
    – Ciprian
    Commented Mar 24, 2015 at 13:35
  • I agree the original post lacks some information, but the user is "relatively new to PHP" so I suppose WordPress is not a strong feat.
    – Ciprian
    Commented Mar 24, 2015 at 13:51

You should be passing the 'cityname' to your function:

function get_city_name($cityname) {
return $cityname;
add_shortcode( 'city-name', 'get_city_name' );

Your shortcode would then look like:

[city-name cityname="London"]

chances are that your function will return an array, but this should help you move forward


Okay, so found the solution (sorry for the delay)

I had to put this:

// Add Shortcode
function city_name() {

 global $current_cityinfo; return ' '.$current_cityinfo['cityname'];


add_shortcode( 'city name', 'city_name' );
  • I'm glad it worked for you. Can you mark the correct answer?
    – Ciprian
    Commented Mar 30, 2015 at 15:44

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