Fix minor issues highlighted by Scrutinizer

src/Uuid.php

@@ -188,30 +188,30 @@ class Uuid implements UuidInterface
         return $this->toString();
     }
 
-    public function compareTo(UuidInterface $uuid)
+    public function compareTo(UuidInterface $other)
     {
         $comparison = 0;
 
-        if ($this->getMostSignificantBitsHex() < $uuid->getMostSignificantBitsHex()) {
+        if ($this->getMostSignificantBitsHex() < $other->getMostSignificantBitsHex()) {
             $comparison = -1;
-        } elseif ($this->getMostSignificantBitsHex() > $uuid->getMostSignificantBitsHex()) {
+        } elseif ($this->getMostSignificantBitsHex() > $other->getMostSignificantBitsHex()) {
             $comparison = 1;
-        } elseif ($this->getLeastSignificantBitsHex() < $uuid->getLeastSignificantBitsHex()) {
+        } elseif ($this->getLeastSignificantBitsHex() < $other->getLeastSignificantBitsHex()) {
             $comparison = -1;
-        } elseif ($this->getLeastSignificantBitsHex() > $uuid->getLeastSignificantBitsHex()) {
+        } elseif ($this->getLeastSignificantBitsHex() > $other->getLeastSignificantBitsHex()) {
             $comparison = 1;
         }
 
         return $comparison;
     }
 
-    public function equals($obj)
+    public function equals($other)
     {
-        if (!($obj instanceof UuidInterface)) {
+        if (!($other instanceof UuidInterface)) {
             return false;
         }
 
-        return ($this->compareTo($obj) == 0);
+        return ($this->compareTo($other) == 0);
     }
 
     public function getBytes()

src/UuidInterface.php

@@ -32,7 +32,7 @@ interface UuidInterface extends \JsonSerializable
      * * Q. What's the value of being able to sort UUIDs?
      * * A. Use them as keys in a B-Tree or similar mapping.
      *
-     * @param UuidInterface $uuid UUID to which this UUID is compared
+     * @param UuidInterface $other UUID to which this UUID is compared
      * @return int -1, 0 or 1 as this UUID is less than, equal to, or greater than `$uuid`
      */
     public function compareTo(UuidInterface $other);
@@ -44,8 +44,8 @@ interface UuidInterface extends \JsonSerializable
      * object, has the same variant, and contains the same value, bit for bit,
      * as this UUID.
      *
-     * @param object $obj
-     * @return bool True if `$obj` is equal to this UUID
+     * @param object $other
+     * @return bool True if `$other` is equal to this UUID
      */
     public function equals($other);