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-rw-r--r--system/core/CodeIgniter.php50
-rw-r--r--system/core/Utf8.php36
2 files changed, 48 insertions, 38 deletions
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 044b64758..70d6ca53f 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -124,6 +124,11 @@ defined('BASEPATH') OR exit('No direct script access allowed');
* ------------------------------------------------------
* Instantiate the config class
* ------------------------------------------------------
+ *
+ * Note: It is important that Config is loaded first as
+ * most other classes depend on it either directly or by
+ * depending on another class that uses it.
+ *
*/
$CFG =& load_class('Config', 'core');
@@ -138,14 +143,49 @@ defined('BASEPATH') OR exit('No direct script access allowed');
/*
* ------------------------------------------------------
- * Instantiate the UTF-8 class
+ * Important charset-related stuff
* ------------------------------------------------------
*
- * Note: Order here is rather important as the UTF-8
- * class needs to be used very early on, but it cannot
- * properly determine if UTF-8 can be supported until
- * after the Config class is instantiated.
+ * Configure mbstring and/or iconv if they are enabled
+ * and set MB_ENABLED and ICONV_ENABLED constants, so
+ * that we don't repeatedly do extension_loaded() or
+ * function_exists() calls.
*
+ * Note: UTF-8 class depends on this. It used to be done
+ * in it's constructor, but it's _not_ class-specific.
+ *
+ */
+ $charset = strtoupper(config_item('charset'));
+
+ if (extension_loaded('mbstring'))
+ {
+ define('MB_ENABLED', TRUE);
+ mb_internal_encoding($charset);
+ // This is required for mb_convert_encoding() to strip invalid characters.
+ // That's utilized by CI_Utf8, but it's also done for consistency with iconv.
+ mb_substitute_character('none');
+ }
+ else
+ {
+ define('MB_ENABLED', FALSE);
+ }
+
+ // There's an ICONV_IMPL constant, but the PHP manual says that using
+ // iconv's predefined constants is "strongly discouraged".
+ if (extension_loaded('iconv'))
+ {
+ define('ICONV_ENABLED', TRUE);
+ iconv_set_encoding('internal_encoding', $charset);
+ }
+ else
+ {
+ define('ICONV_ENABLED', FALSE);
+ }
+
+/*
+ * ------------------------------------------------------
+ * Instantiate the UTF-8 class
+ * ------------------------------------------------------
*/
$UNI =& load_class('Utf8', 'core');
diff --git a/system/core/Utf8.php b/system/core/Utf8.php
index b58c611e1..6ca1a02ca 100644
--- a/system/core/Utf8.php
+++ b/system/core/Utf8.php
@@ -48,42 +48,10 @@ class CI_Utf8 {
*/
public function __construct()
{
- log_message('debug', 'Utf8 Class Initialized');
-
- $charset = strtoupper(config_item('charset'));
-
- // set internal encoding for multibyte string functions if necessary
- // and set a flag so we don't have to repeatedly use extension_loaded()
- // or function_exists()
- if (extension_loaded('mbstring'))
- {
- define('MB_ENABLED', TRUE);
- mb_internal_encoding($charset);
- // This is required for mb_convert_encoding() to strip invalid characters
- ini_set('mbstring.substitute_character', 'none');
- }
- else
- {
- define('MB_ENABLED', FALSE);
- }
-
- // Do the same for iconv, which actually has more easy to remember
- // predefined constants (such as ICONV_IMPL), but the iconv PHP
- // manual page says that using them is "strongly discouraged".
- if (extension_loaded('iconv'))
- {
- define('ICONV_ENABLED', TRUE);
- iconv_set_encoding('internal_encoding', $charset);
- }
- else
- {
- define('ICONV_ENABLED', FALSE);
- }
-
if (
defined('PREG_BAD_UTF8_ERROR') // PCRE must support UTF-8
&& (ICONV_ENABLED === TRUE OR MB_ENABLED === TRUE) // iconv or mbstring must be installed
- && $charset === 'UTF-8' // Application charset must be UTF-8
+ && strnatcasecmp(config_item('charset'), 'UTF-8') === 0 // Application charset must be UTF-8
)
{
define('UTF8_ENABLED', TRUE);
@@ -94,6 +62,8 @@ class CI_Utf8 {
define('UTF8_ENABLED', FALSE);
log_message('debug', 'UTF-8 Support Disabled');
}
+
+ log_message('debug', 'Utf8 Class Initialized');
}
// --------------------------------------------------------------------