This is a pure in-place implementation of the native PDO 4D driver for accessing a 4th Dimension database.
Since the native driver have some memory issues on certain operating systems (e.g. Debian 10 x64), where fetching rows results in a SEGFAULT while calling memcpy, this alternative implementation was written, completely in PHP.
It has been tested against 4D Database v11-v13 in ASCII mode (fairly legacy systems).
Connecting to your database system by creating a new DB4DDriver object:
$db = new DB4DDriver($hostip, $dbport, $user, $password);
Afterwards, the usage is similar to the usage of the PDO objects.
$stmt = $db->prepare($sql);returns a DB4DStatement with a prepared query$stmt->execute($option_array);executes the statement, providing an optional array for binding values to the query$stmt->fetchRow($style);returns the next row as array in the given style$stmt->fetchAll($style);returns all rows as array of arrays in the given style
You can build the class documentation with phpdoc, using the provided phpdoc.xml.dist and according the paths to your needs.