Merge branch 'master' of git://github.com/friendica/friendica

1 files changed, 48 insertions, 0 deletions

diff --git a/library/Smarty/libs/plugins/shared.mb_unicode.php b/library/Smarty/libs/plugins/shared.mb_unicode.php
new file mode 100644
index 000000000..e7f839ec8
--- /dev/null
+++ b/library/Smarty/libs/plugins/shared.mb_unicode.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Smarty shared plugin
+ *
+ * @package Smarty
+ * @subpackage PluginsShared
+ */
+
+/**
+ * convert characters to their decimal unicode equivalents
+ *
+ * @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
+ * @param string $string   characters to calculate unicode of
+ * @param string $encoding encoding of $string, if null mb_internal_encoding() is used
+ * @return array sequence of unicodes
+ * @author Rodney Rehm
+ */
+function smarty_mb_to_unicode($string, $encoding=null) {
+    if ($encoding) {
+        $expanded = mb_convert_encoding($string, "UTF-32BE", $encoding);
+    } else {
+        $expanded = mb_convert_encoding($string, "UTF-32BE");
+    }
+    return unpack("N*", $expanded);
+}
+
+/**
+ * convert unicodes to the character of given encoding
+ *
+ * @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
+ * @param integer|array $unicode  single unicode or list of unicodes to convert
+ * @param string        $encoding encoding of returned string, if null mb_internal_encoding() is used
+ * @return string unicode as character sequence in given $encoding
+ * @author Rodney Rehm
+ */
+function smarty_mb_from_unicode($unicode, $encoding=null) {
+    $t = '';
+    if (!$encoding) {
+        $encoding = mb_internal_encoding();
+    }
+    foreach((array) $unicode as $utf32be) {
+        $character = pack("N*", $utf32be);
+        $t .= mb_convert_encoding($character, $encoding, "UTF-32BE");
+    }
+    return $t;
+}
+
+?>
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