diff --git a/src/BigInteger/Adapter/Bcmath.php b/src/BigInteger/Adapter/Bcmath.php
index 848f544..eff1ce8 100644
--- a/src/BigInteger/Adapter/Bcmath.php
+++ b/src/BigInteger/Adapter/Bcmath.php
@@ -48,15 +48,15 @@ public function init($operand, $base = null)
                 $base    = 10;
                 $operand = $m[1];
             // octal
-            } else if (preg_match('#^(0[0-7]+)$#', $operand, $m)) {
+            } elseif (preg_match('#^(0[0-7]+)$#', $operand, $m)) {
                 $base    = 8;
                 $operand = $m[1];
             // hex
-            } else if (preg_match('#^(?:0x)?([0-9a-f]+)$#', strtolower($operand), $m)) {
+            } elseif (preg_match('#^(?:0x)?([0-9a-f]+)$#', strtolower($operand), $m)) {
                 $base    = 16;
                 $operand = $m[1];
             // scientific notation
-            } else if (preg_match('#^([1-9]?\.?[0-9]+)[eE]\+?([0-9]+)$#', $operand, $m)) {
+            } elseif (preg_match('#^([1-9]?\.?[0-9]+)[eE]\+?([0-9]+)$#', $operand, $m)) {
                 $base    = 10;
                 $operand = bcmul($m[1], bcpow('10', $m[2]));
             } else {
diff --git a/src/BigInteger/AdapterPluginManager.php b/src/BigInteger/AdapterPluginManager.php
index 8d38614..543eac2 100644
--- a/src/BigInteger/AdapterPluginManager.php
+++ b/src/BigInteger/AdapterPluginManager.php
@@ -16,7 +16,7 @@
  * Plugin manager implementation for BigInteger adapters.
  *
  * Enforces that adapters retrieved are instances of
- * Adapter\AdapterInterface. Additionally, it registers a number of default 
+ * Adapter\AdapterInterface. Additionally, it registers a number of default
  * adapters available.
  *
  * @category   Zend
@@ -27,7 +27,7 @@ class AdapterPluginManager extends AbstractPluginManager
 {
     /**
      * Default set of adapters
-     * 
+     *
      * @var array
      */
     protected $invokableClasses = array(
@@ -39,8 +39,8 @@ class AdapterPluginManager extends AbstractPluginManager
      * Validate the plugin
      *
      * Checks that the adapter loaded is an instance of Adapter\AdapterInterface.
-     * 
-     * @param  mixed $plugin 
+     *
+     * @param  mixed $plugin
      * @return void
      * @throws Exception\RuntimeException if invalid
      */
diff --git a/src/Math.php b/src/Math.php
index 0a3f8ae..6901950 100644
--- a/src/Math.php
+++ b/src/Math.php
@@ -43,7 +43,7 @@ public static function randBytes($length, $strong = false)
                 if ($rand !== false && strlen($rand) === $length) {
                     return $rand;
                 }
-            }    
+            }
         }
         if ($strong) {
             throw new Exception\RuntimeException(
@@ -81,8 +81,8 @@ public static function rand($min, $max, $strong = false)
             );
         }
         $log    = log($range, 2);
-        $bytes  = (int) ($log / 8) + 1; 
-        $bits   = (int) $log + 1; 
+        $bytes  = (int) ($log / 8) + 1;
+        $bits   = (int) $log + 1;
         $filter = (int) (1 << $bits) - 1;
         do {
             $rnd = hexdec(bin2hex(self::randBytes($bytes, $strong)));
diff --git a/test/BigInteger/Adapter/BcmathTest.php b/test/BigInteger/Adapter/BcmathTest.php
index b5ca938..b6c35bd 100644
--- a/test/BigInteger/Adapter/BcmathTest.php
+++ b/test/BigInteger/Adapter/BcmathTest.php
@@ -26,7 +26,7 @@ class BcmathTest extends \PHPUnit_Framework_TestCase
     protected $adapter = null;
 
     protected $opts = array();
-    
+
     public function setUp()
     {
         if (!extension_loaded('bcmath')) {
diff --git a/test/MathTest.php b/test/MathTest.php
index bcfe93f..fc46ec7 100644
--- a/test/MathTest.php
+++ b/test/MathTest.php
@@ -26,8 +26,8 @@ public static function provideRandInt()
             array(2, 1, 10000, 100, 0.9, 1.1, false),
             array(2, 1, 10000, 100, 0.8, 1.2, true)
         );
-    }        
-    
+    }
+
     public function testRandBytes()
     {
         for ($length=1; $length<4096; $length++) {
@@ -36,16 +36,16 @@ public function testRandBytes()
             $this->assertEquals($length, strlen($rand));
         }
     }
-       
+
     /**
      * A Monte Carlo test that generates $cycles numbers from 0 to $tot
-     * and test if the numbers are above or below the line y=x with a 
+     * and test if the numbers are above or below the line y=x with a
      * frequency range of [$min, $max]
-     * 
+     *
      * Note: this code is inspired by the random number generator test
      * included in the PHP-CryptLib project of Anthony Ferrara
      * @see https://github.com/ircmaxell/PHP-CryptLib
-     * 
+     *
      * @dataProvider provideRandInt
      */
     public function testRandInt($num, $valid, $cycles, $tot, $min, $max, $strong)
@@ -67,7 +67,7 @@ public function testRandInt($num, $valid, $cycles, $tot, $min, $max, $strong)
                     $up++;
                 } elseif ($x < $y) {
                     $down++;
-                } 
+                }
             }
             $this->assertGreaterThan(0, $up);
             $this->assertGreaterThan(0, $down);
@@ -76,12 +76,12 @@ public function testRandInt($num, $valid, $cycles, $tot, $min, $max, $strong)
                 $count++;
             }
             $i++;
-        } while ($i < $num && $count < $valid); 
+        } while ($i < $num && $count < $valid);
         if ($count < $valid) {
             $this->fail('The random number generator failed the Monte Carlo test');
         }
     }
-    
+
     public function testRandBigInteger()
     {
         try {