From 7f20c9b37a50487d34ecb2bd0c700ba40bbbd6a8 Mon Sep 17 00:00:00 2001
From: Marco Pivetta <ocramius@gmail.com>
Date: Sun, 11 Jan 2015 20:43:35 +0100
Subject: [PATCH] #7095 - deprecating `hex2bin` polyfill

---
 library/Zend/Crypt/Key/Derivation/Scrypt.php | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/library/Zend/Crypt/Key/Derivation/Scrypt.php b/library/Zend/Crypt/Key/Derivation/Scrypt.php
index fe8a539744b..1841d39f8b6 100644
--- a/library/Zend/Crypt/Key/Derivation/Scrypt.php
+++ b/library/Zend/Crypt/Key/Derivation/Scrypt.php
@@ -324,17 +324,11 @@ protected static function integerify($b)
      *
      * @param  string $hex
      * @return string
+     *
+     * @deprecated since PHP 5.4, hex2bin is available
      */
     protected static function hex2bin($hex)
     {
-        if (PHP_VERSION_ID >= 50400) {
-            return hex2bin($hex);
-        }
-        $len    = strlen($hex);
-        $result = '';
-        for ($i = 0; $i < $len; $i+=2) {
-            $result .= chr(hexdec($hex[$i] . $hex[$i+1]));
-        }
-        return $result;
+        return hex2bin($hex);
     }
 }