wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php:194Finds an installed plugin for the given slug.
$slugstringstring protected function find_plugin_for_slug( $slug ) { require_once ABSPATH . 'wp-admin/includes/plugin.php'; $plugin_files = get_plugins( '/' . $slug ); if ( ! $plugin_files ) { return ''; } $plugin_files = array_keys( $plugin_files ); return $slug . '/' . reset( $plugin_files ); }Introduced in 5.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.