The Meta Box Show Hide plugin is a specialized extension for the framework. Unlike more complex extensions like Conditional Logic, this plugin is designed to be a lightweight, developer-focused tool for toggling the visibility of entire meta boxes based on specific page attributes.
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Execution Method: Uses JavaScript to toggle meta box visibility instantly (client-side) when conditions change.
Editor Compatibility: Supports both the Classic Editor and Gutenberg (Block Editor).
Logic Engine: Supports multiple conditions combined with logical operators (AND, OR).
Targeting: It targets the Meta Box ID (the container), not individual fields within a box.
Developers can nest conditions to create complex visibility rules. If you need to combine rules, you use the relation parameter:
Example Logic: If you want a meta box to appear only when a post is in the “News” category AND uses the “Featured” template, you would set
'relation' => 'AND'.
Since version 1.3.0, the plugin has full compatibility with the Block Editor. However, for post type templates (added in WP 4.7+), the syntax requires specific prefixing:
'template' => array( 'post:template-name.php' )
It is often confused with other Meta Box extensions. Here is the technical distinction:
MB Show Hide: Lightest weight. Toggles entire meta boxes via JS. Best for page-level rules (templates/categories).
MB Include Exclude: Toggles meta boxes server-side (PHP). The box is either rendered or not rendered when the page loads. No instant toggling.
MB Conditional Logic: The most “heavyweight.” Toggles individual fields and supports complex dependencies between fields.
Core Plugin: Requires the framework (free) to be installed.
PHP Version: Ideally 7.4 or higher (follows WordPress core recommendations).
License: Released under GNU GPL v2+.
