WHMCS DeleteClient example

<?php

add_hook('AfterCronJob', 2, function (array $params) {
    $command = 'DeleteClient';
    $postData = array(
        'clientid' => '1',
        'deleteusers' => true,
        'deletetransactions' => true,
    );

    $results = localAPI($command, $postData);
    print_r($results);
});