1<?php
2$function1 = function($foo, $bar) use ($var) {};
3$function2 = function(Foo $foo, $bar) use ($var) {};
4$function3 = function ($foo, $bar, $baz) {};
5$function4 = function (Foo $foo, $bar, $baz) {};
6$function5 = function () {};
7$function6 = function() {};
8