Add return hint

AydinHassan · AydinHassan · commit f50fe412786b · 2021-06-07T19:10:18.000+01:00
diff --git a/exercises/unite-the-types/solution/solution.php b/exercises/unite-the-types/solution/solution.php
@@ -1,6 +1,6 @@
 <?php
 
-function adder(string|float|int ...$numbers)
+function adder(string|float|int ...$numbers): float
 {
     return array_sum($numbers);
 }

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`<?php`
`2`	`2`
`3`		`-function adder(string\|float\|int ...$numbers)`
	`3`	`+function adder(string\|float\|int ...$numbers): float`
`4`	`4`	`{`
`5`	`5`	`return array_sum($numbers);`
`6`	`6`	`}`