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authorAndrey Andreev <narf@devilix.net>2014-07-07 09:55:53 +0200
committerAndrey Andreev <narf@devilix.net>2014-07-07 09:55:53 +0200
commit5b3fe7c4af5e08e17480b911fbfa8cf0ef6475c0 (patch)
tree2527178d5f9d28f0dd969b70727a3df8fa0e1717 /system/core/compat
parentf7bdd80d72dfcc7a0c49cb1c82df88dc1f992b06 (diff)
Fix a few typos and add a backport (compat) for hex2bin()
Diffstat (limited to 'system/core/compat')
-rw-r--r--system/core/compat/standard.php (renamed from system/core/compat/array.php)51
1 files changed, 49 insertions, 2 deletions
diff --git a/system/core/compat/array.php b/system/core/compat/standard.php
index 07dae21c2..6380fa1e8 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 ( ! function_exists('array_column'))
// ------------------------------------------------------------------------
+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;