cancellare tutte le righe in cui la checkbox è checked(my sql)

[n0t]

<input type="checkbox" name="todelete[]" value="{$idriga}" />
<input type="checkbox" name="todelete[]" value="{$idriga}" />
<input type="checkbox" name="todelete[]" value="{$idriga}" />

foreach($_POST['todelete'] AS $todeleterecord) {
//DELETE
}