Add ability to provide key => value pairs in Str::list

Author: stevebauman

src/Support/Str.php

@@ -13,12 +13,18 @@ public static function list(array $list): string
     {
         $values = [];
 
-        foreach ($list as $value) {
+        foreach ($list as $key => $value) {
             if (is_array($value)) {
-                $values[] = static::list($value);
+                $token = static::list($value);
             } else {
-                $values[] = $value;
+                $token = $value;
             }
+
+            if (is_string($key)) {
+                $token = $key.' '.$token;
+            }
+
+            $values[] = $token;
         }
 
         return sprintf('(%s)', implode(' ', $values));

tests/Unit/Support/StrTest.php

@@ -65,6 +65,11 @@
     expect(Str::list([]))->toBe('()');
 });
 
+test('list returns a properly formatted parenthesized list for an array with string keys', function () {
+    expect(Str::list(['a' => '"b"', 'c' => '"d"']))->toBe('(a "b" c "d")');
+    expect(Str::list(['a' => ['"b"', '"c"'], 'd' => '"e"']))->toBe('(a ("b" "c") d "e")');
+});
+
 test('enums returns value for a single backed enum', function () {
     $result = Str::enums(ImapFlag::Seen);