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@ 2014-01-03T10:04:27Z

<?php
$users = array("user1", "user2", "user3", "user4");
$usersInGroup = array("user1", "user3");

foreach($users as $user)
{
	printf('<p>%s<input type="checkbox" %s /></p>', $user, in_array($user, $usersInGroup) ? 'checked' : '');
}

Output
Performance
VLD
References
Branches

in_array: documentation ( source)
printf: documentation ( source)

preferences:dark modelive preview

34.71 ms | 402 KiB | 5 Q