Split function definitions onto several lines

Functions with many parameters need to be split onto several lines to keep the 80 chars/line limit. The first parameters may be put onto the same line as the function name if there is enough space. Subsequent parameters on following lines are to be indented 4 spaces. The closing parenthesis and the opening brace are to be put onto the next line, on the same indentation level as the "function" keyword.

<?php

function someFunctionWithAVeryLongName($firstParameter 'something'$secondParameter 'booooo',
    
$third null$fourthParameter false$fifthParameter 123.12,
    
$sixthParam true
) {
    
//....
?>