Rename getRel() to getRels(), as it returns an array.

Author: Crell

src/LinkCollectionTrait.php

@@ -37,7 +37,7 @@ public function getLinks()
     public function getLinksByRel($rel)
     {
         $filter = function (LinkInterface $link) use ($rel) {
-            return in_array($rel, $link->getRel());
+            return in_array($rel, $link->getRels());
         };
         return array_filter($this->links, $filter);
     }

src/LinkTrait.php

@@ -58,7 +58,7 @@ public function isTemplated()
     /**
      * {@inheritdoc}
      */
-    public function getRel()
+    public function getRels()
     {
         return array_keys($this->rel);
     }

test/LinkTest.php

@@ -16,7 +16,7 @@ public function test_can_set_and_retrieve_values()
         ;
 
         $this->assertEquals('http://www.google.com', $link->getHref());
-        $this->assertContains('next', $link->getRel());
+        $this->assertContains('next', $link->getRels());
         $this->assertArrayHasKey('me', $link->getAttributes());
         $this->assertEquals('you', $link->getAttributes()['me']);
     }
@@ -33,7 +33,7 @@ public function test_can_remove_values()
             ->withoutRel('next');
 
         $this->assertEquals('http://www.google.com', $link->getHref());
-        $this->assertFalse(in_array('next', $link->getRel()));
+        $this->assertFalse(in_array('next', $link->getRels()));
         $this->assertFalse(array_key_exists('me', $link->getAttributes()));
     }
 
@@ -44,16 +44,16 @@ public function test_multiple_rels()
             ->withRel('next')
             ->withRel('reference');
 
-        $this->assertCount(2, $link->getRel());
-        $this->assertContains('next', $link->getRel());
-        $this->assertContains('reference', $link->getRel());
+        $this->assertCount(2, $link->getRels());
+        $this->assertContains('next', $link->getRels());
+        $this->assertContains('reference', $link->getRels());
     }
 
     public function test_constructor()
     {
         $link = new Link('next', 'http://www.google.com');
 
         $this->assertEquals('http://www.google.com', $link->getHref());
-        $this->assertContains('next', $link->getRel());
+        $this->assertContains('next', $link->getRels());
     }
 }