Show Hide Accordion by MediaArt

This plugin provides shortcodes to show/hide content with an optional accordion behavior:

• New shortcode: [ma_collapse]...[/ma_collapse] (and ma_collapse_level2..7)
• Legacy compatibility: Keeps legacy bg_collapse* shortcodes functional (where possible without breaking other installed plugins).

The plugin is written to follow WordPress.org best practices:
* No inline JavaScript in PHP templates
* Admin actions protected by capability checks and nonces
* Sanitization/escaping on output
* Translatable strings (EN as base; Czech translation included)

Usage

Basic:
[ma_collapse]Hidden content[/ma_collapse]

With custom label:
[ma_collapse more=”Show more” less=”Show less”]Hidden content[/ma_collapse]

Accordion grouping:
Use the same group attribute on multiple shortcodes.
[ma_collapse group=”faq”]Item 1[/ma_collapse] [ma_collapse group=”faq”]Item 2[/ma_collapse]

Legacy:
[bg_collapse]Hidden content[/bg_collapse]