wp-admin/includes/plugin.php:1267Determines whether the plugin can be uninstalled.
$pluginstringboolfunction is_uninstallable_plugin( $plugin ) { $file = plugin_basename( $plugin ); $uninstallable_plugins = (array) get_option( 'uninstall_plugins' ); if ( isset( $uninstallable_plugins[ $file ] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) { return true; } return false;}Introduced in 2.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/plugin.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.