Generate user accounts for SimpleSAMLphp example-userpass

accountgen.php

<?php

/*
$config: php config array
$group: account name prefix
$email: A pollibly existing email addres so you can receive mail
$scope: Used as schachome, EPPN scope and names
$count: number of accounts to generate

Example: 

account_gen($config, 'pieter-a', 'pieter@surfnet.nl', 'institution-a.nl', 5);
account_gen($config, 'pieter-b', 'pieter@surfnet.nl', 'institution-b.nl', 5);
account_gen($config, 'pieter-c', 'pieter@surfnet.nl', 'institution-c.nl', 5);

Creates accounts with u/p:
pieter-a1, pieter-a2, ...
pieter-b1, pieter-b2, ...
pieter-c1, pieter-c2, ...
*/

function account_gen(&$config, $prefix, $email, $scope, $count)
{
    for($i=1;$i<=$count;$i++)
    {
        $uid=$prefix.$i;
        $account=array(
            'uid' => array($uid),
            'eduPersonPrincipalName' => $uid.'@'.$scope,
            'givenName' => 'G-'.$uid,
            'sn' => 'S-'.$scope,
            'cn' => $uid.' '.$scope,
            'mail' => str_replace('@', '+'.$uid.'-'.$scope.'@', $email),
            'displayName' => 'D-'.$uid.' '.$scope,
            'eduPersonAffiliation' => array('student'),
            'schacHomeOrganization' => $scope,
            'schacHomeOrganizationType' => 'urn:mace:terena.org:schac:homeOrganizationType:int:university',
        );
        $config['example-userpass'][$uid.':'.$uid]=$account;
    }
}