WordPress Version: 5.5
/**
* Determines whether the plugin is inactive.
*
* Reverse of is_plugin_active(). Used as a callback.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 3.1.0
*
* @see is_plugin_active()
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return bool True if inactive. False if active.
*/
function is_plugin_inactive($plugin)
{
return !is_plugin_active($plugin);
}