/**
* A test callback function to be used in the test class below for
* ensuring that custom datatype callback features are handled
* correctly.
*
* @param MDB2 $db The MDB2 database reource object.
* @param string $method The name of the MDB2_Driver_Datatype_Common method
* the callback function was called from. One of
* "getValidTypes", "convertResult", "getDeclaration",
* "compareDefinition", "quote" and "mapPrepareDatatype".
* See {@link MDB2_Driver_Datatype_Common} for the
* details of what each method does.
* @param array $aParameters An array of parameters, being the parameters that
* were passed to the method calling the callback
* function.
* @return mixed Returns the appropriate value depending on the method that
* called the function. See {@link MDB2_Driver_Datatype_Common}
* for details of the expected return values of the five possible
* calling methods.
*/
function datatype_test_callback(&$db, $method, $aParameters)
{
// Ensure the datatype module is loaded
if (is_null($db->datatype)) {
$db->loadModule('Datatype', null, true);
}
// Lowercase method names for PHP4/PHP5 compatibility
$method = strtolower($method);
switch ($method) {
// For all cases, return a string that identifies that the
// callback method was able to call to the appropriate point
case 'getvalidtypes':
return 'datatype_test_callback::getvalidtypes';
case 'convertresult':
return 'datatype_test_callback::convertresult';
case 'getdeclaration':
return 'datatype_test_callback::getdeclaration';
case 'comparedefinition':
return 'datatype_test_callback::comparedefinition';
case 'quote':
return 'datatype_test_callback::quote';
case 'mappreparedatatype':
return 'datatype_test_callback::mappreparedatatype';
}
}