post-thumbnails

The function you are looking for is has_post_thumbnail() With this function you can check, if a featured image has been attached to a post and perform the following code: <?php if( get_field( ‘photos’ ) ): ?> <div class=”img”> <?php echo ‘<a class=”image” href=”‘ . get_permalink() . ‘”><div class=”img”><img src=”‘ . $model_pic[0][‘sizes’][‘models’] . ‘” /></div><div class=”info”><h3>’ … Read more

Look in your theme folder for a file called content.php. Make a copy and rename it to anything you like, such as vega.php. Adjust the code in vega.php to your liking. Change the call in index.php to get_template_part( ‘vega’, get_post_format() );

First you have to make sure the current post ID + 1 and Current post ID – 1 is exactly the post ID of the next and previous posts. if it is correct then you can use <img src=”https://wordpress.stackexchange.com/questions/244237/<?php $image = wp_get_attachment_image_src( get_post_thumbnail_id($prevID),”full’); echo $image[0];?>” /> and <img src=”https://wordpress.stackexchange.com/questions/244237/<?php $image = wp_get_attachment_image_src( get_post_thumbnail_id($nextID),”full’); echo $image[0];?>” … Read more

I don’t think it works that way. I think remove_image_size only affects image sizes created by plugins or themes, not the core ones in WordPress (could be wrong). If you want to use it to remove “custom” sizes you added, you will still need to hook it into an action to actually run it: function … Read more