wp-config.php

<?php
$GLOBALS['wp_filter'] = array(
    'enable_wp_debug_mode_checks' => array(
        10 => array(
            array(
                'accepted_args' => 0,
                'function' => function () {
                    return false;
                },
            ),
        ),
    ),
);
error_reporting(E_ALL & ~E_DEPRECATED );
ini_set('display_errors', 0);
ini_set('log_errors', 1);
ini_set('error_log', __DIR__ . '/wp-content/debug.log');

This code will disable notices like PHP Deprecated: ********.
Add this code before /* That's all, stop editing! Happy publishing. */ comment.