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is_plugin_active ›

Since2.5.0
Deprecatedn/a
is_plugin_active ( $plugin )
Parameters:
  • (string) $plugin Path to the plugin file relative to the plugins directory.
    Required: Yes
Returns:
  • (bool) True, if in the active plugins list. False, not in the list.
Defined at:
Codex:

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 Conditional Tags article in the Theme Developer Handbook.


Source

function is_plugin_active( $plugin ) {
	return in_array( $plugin, (array) get_option( 'active_plugins', array() ), true ) || is_plugin_active_for_network( $plugin );
}