Bad Request after accessing MySQL database

[Still-learning]

You can search in community regarding bad request in php, you will find plenty of suggestions

Error 400 - Bad Request

Just a sample man above, I am using like that: /************************************CONFIG****************************************/ //DATABSE DETAILS// $DB_ADDRESS="localhost"; $DB_USER="u109863032_financas"; $DB_PASS="S1@@md:g"; $DB_NAME="u109863032_financas"; //SETTINGS// //This code is something you set in the APP so random people cant use it. $SQLKEY="S1@@md:g"; /************************************CONFIG****************************************/