Fix deprecation with empty rules (#42213)

laravel · May 2, 2022 · 6741fa8 · 6741fa8
1 parent 31dfefc
commit 6741fa8
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/Illuminate/Validation/ValidationRuleParser.php b/src/Illuminate/Validation/ValidationRuleParser.php
@@ -97,7 +97,7 @@ protected function explodeExplicitRule($rule, $attribute)
         return array_map(
             [$this, 'prepareRule'],
             $rule,
-            array_fill(array_key_first($rule), count($rule), $attribute)
+            array_fill((int) array_key_first($rule), count($rule), $attribute)
         );
     }
 

diff --git a/tests/Validation/ValidationRuleParserTest.php b/tests/Validation/ValidationRuleParserTest.php
@@ -55,6 +55,13 @@ public function testEmptyRulesArePreserved()
         ], $rules);
     }
 
+    public function testEmptyRulesCanBeExploded()
+    {
+        $parser = new ValidationRuleParser(['foo' => 'bar']);
+
+        $this->assertIsObject($parser->explode(['foo' => []]));
+    }
+
     public function testConditionalRulesWithDefault()
     {
         $rules = ValidationRuleParser::filterConditionalRules([