From 0b914a39c79c9b3120193e97c7427e7201fbe62e Mon Sep 17 00:00:00 2001
From: Alejandro Gallardo Escobar <alex@artica.es>
Date: Tue, 22 Sep 2015 18:10:31 +0200
Subject: [PATCH] Added a declaration of the function 'hex2bin' for the users
 that has a PHP version <5.4

---
 pandora_console/include/functions.php | 35 +++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/pandora_console/include/functions.php b/pandora_console/include/functions.php
index 1a16689b99..da76ed5e91 100644
--- a/pandora_console/include/functions.php
+++ b/pandora_console/include/functions.php
@@ -2485,4 +2485,39 @@ function get_percentile($percentile, $array) {
 	
 	return $result;
 }
+
+if (!function_exists('hex2bin')) {
+	function hex2bin($data) {
+		static $old;
+		if ($old === null) {
+			$old = version_compare(PHP_VERSION, '5.2', '<');
+		}
+		$isobj = false;
+		if (is_scalar($data) || (($isobj = is_object($data)) && method_exists($data, '__toString'))) {
+			if ($isobj && $old) {
+				ob_start();
+				echo $data;
+				$data = ob_get_clean();
+			}
+			else {
+				$data = (string) $data;
+			}
+		}
+		else {
+			trigger_error(__FUNCTION__.'() expects parameter 1 to be string, ' . gettype($data) . ' given', E_USER_WARNING);
+			return;//null in this case
+		}
+		$len = strlen($data);
+		if ($len % 2) {
+			trigger_error(__FUNCTION__.'(): Hexadecimal input string must have an even length', E_USER_WARNING);
+			return false;
+		}
+		if (strspn($data, '0123456789abcdefABCDEF') != $len) {
+			trigger_error(__FUNCTION__.'(): Input string must be hexadecimal string', E_USER_WARNING);
+			return false;
+		}
+		return pack('H*', $data);
+	}
+}
+
 ?>