is_plugin_active( string $plugin )
Check whether a plugin is active.
Description
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.
Parameters
- $plugin
-
(string) (Required) Path to the main plugin file from plugins directory.
Return
(bool) True, if in the active plugins list. False, not in the list.
Source
File: wp-admin/includes/plugin.php
function is_plugin_active( $plugin ) {
return in_array( $plugin, (array) get_option( 'active_plugins', array() ) ) || is_plugin_active_for_network( $plugin );
}
Changelog
Version | Description |
---|---|
WP-2.5.0 | Introduced. |