if (faillengthtest($foo)) {
    if (failrepeattest($foo)) {
        #format the page with error msg 1
    } else {
        #format the page with error msg 2
    }
} else {
    if (failrepeattest($foo)) {
        #format the page with error msg 3
    } else {
        #format the page with normal message
    }
}