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I am creating a custom Wordpress theme based on the Bones WP theme. I'm having a problem where an image size that I've specified in functions.php using add_image_size() isn't showing the correct width x height in the Insert Media dialog.

This is how I add the new image size in functions.php

add_image_size( 'portfolio-image-full', 800, 400, true );

And using the existing Bones functions, this is how I make this image size appear in the Attachment Display Settings

add_filter( 'image_size_names_choose', 'bones_custom_image_sizes' );

function bones_custom_image_sizes( $sizes ) {
    return array_merge( $sizes, array(
        'portfolio-image-full' => __('Portfolio large image'),
        'portfolio-image-small' => __('Portfolio small image')

    ) );
}

But after uploading an image the 'Portfolio large image' size is 640x320, when it should be 800x400:

enter image description here

What am I doing wrong?

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1 Answer 1

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14

Problem solved - the image width was being limited by $content_width set to 640 in the functions.php file included with Bones WP theme. Hopefully this information will help anyone else struggling with similar problems.

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  • This way my problems as well, and I'm glad I found this answer! For me $content_width was set in my parent theme. I guess it is obvious to most people, but I'll state it anyway: if you are using a child theme it is very easy to just override it by setting $content_width to a new value in your child theme functions.php, like this: $content_width = 1200;
    – Adrian B
    Commented Dec 4, 2019 at 21:26

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