Access xBase Data from MySQL in PHP

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xBase ODBC Driver

The xBase ODBC Driver is a powerful tool that allows you to connect with live xBase- compatible databases, directly from any applications that support ODBC connectivity.

Access xBase databases like FoxPro & Clipper (.dbf, .ndx, .ntx, .dbt, etc) from virtually anywhere through a standard ODBC Driver interface.



Connect to xBase through the standard MySQL libraries in PHP.

You can use the CData SQL Gateway and ODBC Driver for xBase to access xBase data from MySQL clients, without needing to perform an ETL or cache data. Follow the steps below to connect to xBase data in real time through PHP's standard MySQL interfaces, mysqli and PDO_MySQL.

Connect to xBase Data

If you have not already done so, provide values for the required connection properties in the data source name (DSN). You can use the built-in Microsoft ODBC Data Source Administrator to configure the DSN. This is also the last step of the driver installation. See the "Getting Started" chapter in the help documentation for a guide to using the Microsoft ODBC Data Source Administrator to create and configure a DSN.

The DataSource property must be set to the name of the folder that contains the .dbf files. Specify the IncludeFiles property to work with xBase table files having extensions that differ from .dbf. Specify multiple extensions in a comma-separated list.

Configure the SQL Gateway

See the SQL Gateway Overview to set up connectivity to xBase data as a virtual MySQL database. You will configure a MySQL remoting service that listens for MySQL requests from clients. The service can be configured in the SQL Gateway UI.

Connect in PHP

The following examples show how to use object-oriented interfaces to connect and execute queries. Initialize the connection object with the following parameters to connect to the virtual MySQL database:

  • Host: Specify the remote host location where the service is running. In this case "localhost" is used for the remote host setting since the service is running on the local machine.
  • Username: Specify the username for a user you authorized on the SQL Gateway's Users tab.
  • Password: Specify the password for the authorized user account.
  • Database Name: Specify the system DSN as the database name.
  • Port: Specify the port the service is running on; port 3306 in this example.

mysqli

<?php
$mysqli = new mysqli("localhost", "user", "password", "CData xBase Sys","3306");
?>

PDO

<?php
$pdo = new PDO('mysql:host=localhost;dbname=CData xBase Sys;port=3306', 'user', 'password');
?>

Query in PHP

With the connection established, you can then access tables. The following steps walk through the example:

  1. Query the table; for example, Invoices. The results will be stored as an associative array in the $result object.
  2. Iterate over each row and column, printing the values to display in the PHP page.
  3. Close the connection.

mysqli

$result = $mysqli->query("SELECT Company, SUM(Total) FROM Invoices GROUP BY ContactName");
while($row = $result->fetch_assoc()) {
  foreach ($row as $k=>$v) {
    echo "$k : $v";
    echo "<br />"; 
  }
}
$mysqli->close();

PDO

$result = $pdo->query("SELECT Company, SUM(Total) FROM Invoices GROUP BY ContactName");
while($row = $result->fetch(PDO::FETCH_ASSOC)) {
  foreach ($row as $k=>$v) {
    echo "$k : $v";
    echo "<br />"; 
  }
}
$result = null;
$pdo = null;