Update Generator.php

src/Faker/Generator.php

@@ -184,7 +184,7 @@ public function seed($seed = null)
         if ($seed === null) {
             mt_srand();
         } else {
-            mt_srand($seed);
+            mt_srand((int) $seed);
         }
     }
 

test/Faker/GeneratorTest.php

@@ -119,6 +119,9 @@ public function testSeed()
         $this->assertNotEquals($mtRandWithSeedZero, $mtRandWithoutSeed, 'seed() should be different than seed(0)');
         $generator->seed();
         $this->assertNotEquals($mtRandWithoutSeed, mt_rand(), 'seed() should not be deterministic.');
+
+        $generator->seed('10');
+        $this->assertTrue(true, 'seeding with a non int value doesn\'t throw an exception');
     }
 }