Update README.md

README.md

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 # PHP-sqlToJson
 This is a simplified Function for making SQL Requests and getting them back as JSON Text
+
+# Example
+```PHP
+// Import the Class
+require_once("sqlToJson.php");
+
+// Initialize the Class and enter all Information to your MySQL-Server
+$stj = new sqlToJson(hostname: "localhost", username: "username", password: "password", database: "database");
+
+// For Example you can print the JSON Text
+// This Function only returns a String
+echo $stj->request("SELECT * FROM table");
+```
+
+# About this Project
+This was a Simple idea of a Friend of mine and i wanted to also publish the idea for everyone that might need it.