Fix a few typos and add a backport (compat) for hex2bin()
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 1c6e76b..3e1280b 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -249,7 +249,7 @@
require_once(BASEPATH.'core/compat/mbstring.php');
require_once(BASEPATH.'core/compat/hash.php');
require_once(BASEPATH.'core/compat/password.php');
- require_once(BASEPATH.'core/compat/array.php');
+ require_once(BASEPATH.'core/compat/standard.php');
/*
* ------------------------------------------------------
diff --git a/system/core/compat/array.php b/system/core/compat/standard.php
similarity index 83%
rename from system/core/compat/array.php
rename to system/core/compat/standard.php
index 07dae21..6380fa1 100644
--- a/system/core/compat/array.php
+++ b/system/core/compat/standard.php
@@ -27,14 +27,13 @@
defined('BASEPATH') OR exit('No direct script access allowed');
/**
- * PHP ext/standard/array compatibility package
+ * PHP ext/standard compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link http://codeigniter.com/user_guide/
- * @link http://php.net/book.array
*/
// ------------------------------------------------------------------------
@@ -125,6 +124,54 @@
// ------------------------------------------------------------------------
+if (is_php('5.4'))
+{
+ return;
+}
+
+// ------------------------------------------------------------------------
+
+if ( ! function_exists('hex2bin'))
+{
+ /**
+ * hex2bin()
+ *
+ * @link http://php.net/hex2bin
+ * @param string $data
+ * @return string
+ */
+ function hex2bin($data)
+ {
+ if (in_array($type = gettype($data), array('array', 'double', 'object'), TRUE))
+ {
+ if ($type === 'object' && method_exists($data, '__toString'))
+ {
+ $data = (string) $data;
+ }
+ else
+ {
+ trigger_error('hex2bin() expects parameter 1 to be string, '.$type.' given', E_USER_WARNING);
+ return NULL;
+ }
+ }
+
+ if (strlen($data) % 2 !== 0)
+ {
+ trigger_error('Hexadecimal input string must have an even length', E_USER_WARNING);
+ return FALSE;
+ }
+ elseif ( ! preg_match('/^[0-9a-f]*$/i', $data))
+ {
+ trigger_error('Input string must be hexadecimal string', E_USER_WARNING);
+ return FALSE;
+ }
+
+ return pack('H*', $data);
+ }
+}
+
+// ------------------------------------------------------------------------
+
if (is_php('5.3'))
{
return;