Image Advanced Warning

This topic has 2 replies, 2 voices, and was last updated 6 years, 4 months ago by tsquez.

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August 10, 2018 at 10:53 PM #10977
tsquez
Participant
Hi there,

First, I do have WP_DEBUG set to true on my development site, which I think anyone who is developing themes or plugins should have.

Secondly, I have created a custom post type. It is all set up and working beautifully thanks to your Custom Post Type plugin.

OK, so I wanted to try and use the Image Advanced field for a certain part of the custom post type and I added the following:
```
$images = rwmb_meta( 'info', array( 'limit' => 1 ) );
$image = reset( $images );
```
This of course comes from the docs: https://docs.metabox.io/fields/image-advanced/#template-usage.

I changed it to this:
```
$images = rwmb_meta( 'tp_primo_header_background',array( 'size' => 'full' ) );
$image = reset( $images );
```
which is supposed to return the full size image. The image displays properly the way it's supposed to in the custom post type...awesome.

However, when you I view a regular post or page, which of course is not the custom post type, I get the following warning:

Warning: reset() expects parameter 1 to be array, string given in /the file where the code is added on line 8

I know if I turn off WP_DEBUG the warning message will go away but I am curious as to how can I get rid of that warning altogether?

Thanks in advance for any help.

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August 11, 2018 at 4:33 PM #10980
Anh Tran
Keymaster
Hi Thomas,

I think the problem is where you put the code that gets the image. For the template that doesn't have header background, you should perform a simple check like this:
```
$images = rwmb_meta(...);
if ( $images ) {
    $image = reset( $images );
    echo $image;
}
```
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August 12, 2018 at 12:54 AM #10985

tsquez
Participant

Awesome Anh, that worked perfectly and the warning went away.

As always, thank you very much.

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