Preserve falsey values in Can validation rule

Author: Amirhf1

src/Illuminate/Validation/Rules/Can.php

@@ -54,7 +54,9 @@ public function passes($attribute, $value)
 
         $model = array_shift($arguments);
 
-        return Gate::allows($this->ability, array_filter([$model, ...$arguments, $value]));
+        return Gate::allows($this->ability, array_filter(
+            [$model, ...$arguments, $value], fn ($argument) => ! is_null($argument)
+        ));
     }
 
     /**

tests/Validation/ValidationRuleCanTest.php

@@ -92,6 +92,23 @@ public function testValidationPasses()
         $this->assertTrue($v->passes());
     }
 
+    public function testValidationPassesFalseyArguments()
+    {
+        $this->gate()->define('update-company', function ($user, ...$arguments) {
+            $this->assertSame([\App\Models\Company::class, 0, false, '0', 0], $arguments);
+
+            return true;
+        });
+
+        $v = new Validator(
+            resolve('translator'),
+            ['company' => 0],
+            ['company' => new Can('update-company', [\App\Models\Company::class, 0, false, '0'])]
+        );
+
+        $this->assertTrue($v->passes());
+    }
+
     public function testCustomMessageUsingDotNotationAndFqcnWorks()
     {
         $v = new Validator(