Example Create a bunch of dataobjects in a SilverStripe task

CreateSomething.php

<?php

/**
 * CreateSomething
 * 
 * Create a bunch of dataobjects, in this case 10 Members.
 *
 */
class CreateSomething extends BuildTask {
        
        public function run($request) {
                
                
                for($index = 1; $index <= 10; $index++) {
                        
                        $existing = Member::get()->filter('Email', 'test'.$index.'@test.com');
                        if(!$existing->count()) {
                                $member = new Member(array(
                                        'Email' => 'test'.$index.'@test.com',
                                        'FirstName' => 'A'.$index
                                ));
                                $member->write();
                                echo 'New Member '.$member->Email.PHP_EOL;
                        } 
                }
        }
}