WordPress - PHP conditional logic

Question

I have a really simple question about PHP conditional logic. I have some code where I want to load a different header file based on the post category type. The code below works:

if(in_category('news')) {
    get_header('tertiary');
}
elseif(in_category('events')) {
    get_header('tertiary');
}
else {
    get_header('secondary');
}

But when I try to simplify the code to:

if(in_category('news' || 'events)) {
    get_header('tertiary');
}
else {
    get_header('secondary');
}

The tertiary header file for the events is not loading, it is showing the secondary header file. I'm using similar code elsewhere in my theme and it is working with no issues. So I'm not sure why it is not working here. I'm not getting an errors in my PHP console.

Without looking up any docs on that method, are you sure thats even valid that you can throw a condition statement inside of a method call? Wouldn't it be more like in_category('news') || in_category('events') — Dan Zuzevich
– Dan Zuzevich, Commented Aug 28, 2017 at 15:16

aynber · Accepted Answer · 2017-08-28 15:17:41Z

3

There may be two ways you can do this. Check in_category individually (this will always work)

if(in_category('news') || in_category('events')) {

Or in_category can take an array, in some versions of Wordpress:

if(in_category(['news', 'events'])) {

answered Aug 28, 2017 at 15:17

aynber

23.2k9 gold badges57 silver badges69 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

j08691 · Accepted Answer · 2017-08-28 15:18:33Z

3

You need to read the documentation and instead of

 if(in_category('news' || 'events)) {
 ...

do

if(in_category(['news', 'events'])) {
...

edited Aug 28, 2017 at 15:18

j08691

209k33 gold badges269 silver badges281 bronze badges

answered Aug 28, 2017 at 15:17

Marcin Orlowski

75.7k11 gold badges128 silver badges152 bronze badges

Comments

Aliraza · Accepted Answer · 2017-08-28 15:29:33Z

1

You need to read the documentation

 if ( in_category( Array( 'news', 'events' ) ) ) {
     get_header('tertiary');
 } else {
     get_header('secondary');
 }

answered Aug 28, 2017 at 15:29

Aliraza

841 silver badge8 bronze badges

Collectives™ on Stack Overflow

WordPress - PHP conditional logic

3 Answers 3

Comments

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

Comments

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related