WordPress.org

How big a content block can I add?

The content block will hold up to 64,000 characters.

Can I create content blocks with PHP code?

Yes, just copy the PHP as normal into a content block without the <?php, <?, ?> tags and insert the block into your content as normal.

How do I use a shortcode within a content block?

Simply add the shortcode within a block as normal, for example [gallery] to add a WordPress gallery.

Can I use content blocks outside of posts and pages?

Yes, just wrap it in the PHP function <?php echo gcb(x);?> where x is the content block ID. You can also use the longer form <?php do_shortcode("[contentblock id=x]");?>

Is it possible to modify the output of inserted content blocks?

Yes, you can add the filter 'gcb_block_output' to modify output by adding a PHP script to functions.php, for example:
add_filter('gcb_block_output', 'alter_block_output');
function alter_block_output($value) {
//process the output here, e.g., convert text to lowercase
$new_value = strtolower($value);
return "Processed output: ".$new_value;
}

Will I lose my content blocks if I change the theme or upgrade WordPress?

No, the blocks are added to the WordPress database so are independent of the theme and unaffected by WordPress upgrades.

Can it be completely uninstalled?

Yes, there is an option to delete the database table if you want to completely remove the plugin.

Can I copy any content blocks I've created to another WordPress site?

Yes, an Import/Export function is included. Just Export form one site, install the plugin on the other site and import.