is_plugin_active ( $plugin )

  • (string) plugin Path to the plugin file relative to the plugins directory.
  • (bool) True, if in the active plugins list. False, not in the list.
Defined at:


Determines whether a plugin is active.Only plugins installed in the plugins/ folder can be active. Plugins in the mu-plugins/ folder can't be "activated," so this function will return false for those plugins. For more information on this and similar theme functions, check out the {@link Conditional Tags} article in the Theme Developer Handbook.

Related Functions

is_plugin_inactive, is_plugin_page, is_plugin_paused, list_plugin_updates, is_plugin_active_for_network

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