This is the callback for the xmlrpc_example.subtract xmlrpc method.

Return the difference of the two arguments, or an error if the result is out of the configured limits.

Parameters

int|float $num1: First number

int|float $num2: Second number

Return value

int|float The difference of the two arguments, or error if it is not in server defined bounds.

See also

xmlrpc_error()

Related topics

1 string reference to '_xmlrpc_example_server_subtract'

xmlrpc_example_xmlrpc in xmlrpc_example/xmlrpc_example.module

Implements hook_xmlrpc().

File

xmlrpc_example/xmlrpc_example.module, line 263

Code

function _xmlrpc_example_server_subtract($num1, $num2) {
    $diference = $num1 - $num2;
    $max = variable_get('xmlrpc_example_server_max', 10);
    $min = variable_get('xmlrpc_example_server_min', 0);
    // If result is not within maximum and minimum limits,
    // return corresponding error.
    if ($diference > $max) {
        return xmlrpc_error(10001, t('Result is above the upper limit (@max) defined by the server.', array(
            '@max' => $max,
        )));
    }
    if ($diference < $min) {
        return xmlrpc_error(10002, t('Result is below the lower limit (@min) defined by the server.', array(
            '@min' => $min,
        )));
    }
    // Otherwise return the result.
    return $diference;
}