23

How do I set the medium and large images sizes in WP to hard crop?

In my theme I can set the thumbnail size to hard crop using this:

add_theme_support('post-thumbnails');
set_post_thumbnail_size( 96, 96, true );

But I can see no way to make the medium and large images to hard crop.

Is there possibly a way to remove the medium and large sizes and re-add them using:

add_image_size( 'medium', $width, $height, true );
add_image_size( 'large', $width, $height, true );

4 Answers 4

21

You can over write the default like this:

add_image_size( 'medium', 200, 200, true );
1
  • 3
    Yes it was this simple! I was so convinced it couldn't be that...
    – Scott
    Oct 13, 2011 at 10:47
33

Here's an improvement that uses the settings as you tried to do:

add_image_size('medium', get_option( 'medium_size_w' ), get_option( 'medium_size_h' ), true );

2
  • 4
    the benefit from this solution is, that you still can set the measurements in the wp setting. sweet.
    – honk31
    Apr 8, 2016 at 16:40
  • This is perfect! Mar 21, 2019 at 15:24
4

To enable cropping for the medium images, it is enough to use this code:

update_option( 'medium_crop', 1 );

The update_option() function itself checks whether such an option exists, and adds it if necessary:

If the option does not exist, then the option will be added with the option value, with an $autoload value of yes.

0

The Gleb's answer worked nicely for me.

// Medium Size Thumbnail
if(false === get_option('medium_crop')) {
    add_option('medium_crop', '1'); 
} else {
    update_option('medium_crop', '1');
}

Found the full code here

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