From dde042f8522f17b0984db12af05c58b57b3149de Mon Sep 17 00:00:00 2001
From: David Stockton <dave@davidstockton.com>
Date: Wed, 14 May 2014 19:50:43 -0600
Subject: [PATCH 1/2] Digit filter should not touch boolean

---
 library/Zend/Filter/Digits.php       | 4 ++--
 tests/ZendTest/Filter/DigitsTest.php | 6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/library/Zend/Filter/Digits.php b/library/Zend/Filter/Digits.php
index eea9b58a7a8..01c64b83fc1 100644
--- a/library/Zend/Filter/Digits.php
+++ b/library/Zend/Filter/Digits.php
@@ -18,14 +18,14 @@ class Digits extends AbstractFilter
      *
      * Returns the string $value, removing all but digit characters
      *
-     * If the value provided is non-scalar, the value will remain unfiltered
+     * If the value provided is not integer, float or string, the value will remain unfiltered
      *
      * @param  string $value
      * @return string|mixed
      */
     public function filter($value)
     {
-        if (!is_scalar($value)) {
+        if (! (is_int($value) || is_float($value) || is_string($value))) {
             return $value;
         }
         $value = (string) $value;
diff --git a/tests/ZendTest/Filter/DigitsTest.php b/tests/ZendTest/Filter/DigitsTest.php
index 7c478b3cd68..a405f07fda8 100644
--- a/tests/ZendTest/Filter/DigitsTest.php
+++ b/tests/ZendTest/Filter/DigitsTest.php
@@ -90,7 +90,9 @@ public function returnUnfilteredDataProvider()
             array(array(
                 'abc123',
                 'abc 123'
-            ))
+            )),
+            array(true),
+            array(false),
         );
     }
 
@@ -102,6 +104,6 @@ public function testReturnUnfiltered($input)
     {
         $filter = new DigitsFilter();
 
-        $this->assertEquals($input, $filter($input));
+        $this->assertSame($input, $filter($input));
     }
 }

From ec6dfa90c3264b700b0a10d23a170dadb7fa2eb0 Mon Sep 17 00:00:00 2001
From: David Stockton <dave@davidstockton.com>
Date: Thu, 15 May 2014 10:49:35 -0600
Subject: [PATCH 2/2] Early return for int values which are always just digits

---
 library/Zend/Filter/Digits.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/library/Zend/Filter/Digits.php b/library/Zend/Filter/Digits.php
index 01c64b83fc1..c5e856fbd58 100644
--- a/library/Zend/Filter/Digits.php
+++ b/library/Zend/Filter/Digits.php
@@ -25,7 +25,10 @@ class Digits extends AbstractFilter
      */
     public function filter($value)
     {
-        if (! (is_int($value) || is_float($value) || is_string($value))) {
+        if (is_int($value)) {
+            return (string) $value;
+        }
+        if (! (is_float($value) || is_string($value))) {
             return $value;
         }
         $value = (string) $value;