Suppress PHP warnings on mysqli_connect to prevent JSON corruption

test_regex.php

@@ -0,0 +1,7 @@
+<?php
+$sql = "CREATE DATABASE IF NOT EXISTS uas_06 CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+USE uas_06;
+CREATE TABLE role (id INT);";
+$sql = preg_replace('/CREATE DATABASE IF NOT EXISTS [^\;]+\;/i', '', $sql);
+$sql = preg_replace('/USE [^\;]+\;/i', '', $sql);
+echo $sql;