golden hour

/var/www/html/wp-content/plugins/query-monitor/classes

File/Folder	Size	Actions
Activation.php	2.88 KB
Backtrace.php	9.74 KB
CLI.php	1.35 KB
Collector.php	6.87 KB
Collectors.php	1.29 KB
Dispatcher.php	3.3 KB
Dispatchers.php	735 B
Hook.php	1.23 KB
Output.php	711 B
Plugin.php	2.65 KB
QM.php	2.77 KB
QueryMonitor.php	7.45 KB
Timer.php	1.91 KB
Util.php	14.91 KB
debug_bar.php	1.45 KB
debug_bar_panel.php	1017 B

Edit: CLI.php

<?php
/**
 * Plugin CLI command.
 *
 * @package query-monitor
 */

class QM_CLI extends QM_Plugin {

protected function __construct( $file ) {

# Register command
		WP_CLI::add_command( 'qm enable', array( $this, 'enable' ) );

# Parent setup:
		parent::__construct( $file );

}

/**
	 * Enable QM by creating the symlink for db.php
	 */
	public function enable() {
		$drop_in = WP_CONTENT_DIR . '/db.php';

if ( file_exists( $drop_in ) ) {
			if ( false !== strpos( file_get_contents( $drop_in ), 'class QM_DB' ) ) {
				WP_CLI::success( "Query Monitor's wp-content/db.php is already in place" );
				exit( 0 );
			} else {
				WP_CLI::error( 'Unknown wp-content/db.php already is already in place' );
			}
		}

if ( defined( 'QM_DB_SYMLINK' ) && ! QM_DB_SYMLINK ) {
			WP_CLI::warning( 'Creation of symlink prevented by QM_DB_SYMLINK constant.' );
			exit( 0 );
		}

if ( ! function_exists( 'symlink' ) ) {
			WP_CLI::error( 'The symlink function is not available' );
		}

if ( symlink( $this->plugin_path( 'wp-content/db.php' ), $drop_in ) ) {
			WP_CLI::success( 'wp-content/db.php symlink created' );
			exit( 0 );
		} else {
			WP_CLI::error( 'Failed to create wp-content/db.php symlink' );
		}
	}

public static function init( $file = null ) {

static $instance = null;

if ( ! $instance ) {
			$instance = new QM_CLI( $file );
		}

return $instance;

}