MySQLi Procedural

Connect


  mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
  $conn = mysqli_connect("host", "username", "password", "database", "port");
  mysqli_set_charset($conn, "utf8mb4");
    
  if ($conn->connect_error) {
      echo "Not connected, error: " . $conn->connect_error;
  } else {
      echo "Connected.";
  }

   
  mysqli_close($conn);

https://www.php.net/manual/en/

Query


  mysqli_query($conn, $query);


  mysqli_execute_query()  - Prepares, binds parameters, and executes SQL statement
  mysqli_real_query()     - Execute an SQL query
  mysqli_multi_query()    - Performs one or more queries on the database
  mysqli_prepare()        - Prepares an SQL statement for execution
  mysqli_free_result()    - Frees the memory associated with a result

https://www.php.net/manual/en/mysqli.query.php