1 files changed, 71 insertions, 0 deletions
diff --git a/lib/smarty3/plugins/modifier.mb_wordwrap.php b/lib/smarty3/plugins/modifier.mb_wordwrap.php
new file mode 100644
index 0000000..1cd625b
--- /dev/null
+++ b/lib/smarty3/plugins/modifier.mb_wordwrap.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * Smarty plugin
+ *
+ * @package    Smarty
+ * @subpackage PluginsModifier
+ */
+/**
+ * Smarty wordwrap modifier plugin
+ * Type:     modifier
+ * Name:     mb_wordwrap
+ * Purpose:  Wrap a string to a given number of characters
+ *
+ * @link   http://php.net/manual/en/function.wordwrap.php for similarity
+ *
+ * @param string  $str   the string to wrap
+ * @param int     $width the width of the output
+ * @param string  $break the character used to break the line
+ * @param boolean $cut   ignored parameter, just for the sake of
+ *
+ * @return string  wrapped string
+ * @author Rodney Rehm
+ */
+function smarty_modifier_mb_wordwrap($str, $width = 75, $break = "\n", $cut = false)
+{
+    // break words into tokens using white space as a delimiter
+    $tokens = preg_split('!(\s)!S' . Smarty::$_UTF8_MODIFIER, $str, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
+    $length = 0;
+    $t = '';
+    $_previous = false;
+    $_space = false;
+    foreach ($tokens as $_token) {
+        $token_length = mb_strlen($_token, Smarty::$_CHARSET);
+        $_tokens = array($_token);
+        if ($token_length > $width) {
+            if ($cut) {
+                $_tokens = preg_split(
+                    '!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER,
+                    $_token,
+                    -1,
+                    PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE
+                );
+            }
+        }
+        foreach ($_tokens as $token) {
+            $_space = !!preg_match('!^\s$!S' . Smarty::$_UTF8_MODIFIER, $token);
+            $token_length = mb_strlen($token, Smarty::$_CHARSET);
+            $length += $token_length;
+            if ($length > $width) {
+                // remove space before inserted break
+                if ($_previous) {
+                    $t = mb_substr($t, 0, -1, Smarty::$_CHARSET);
+                }
+                if (!$_space) {
+                    // add the break before the token
+                    if (!empty($t)) {
+                        $t .= $break;
+                    }
+                    $length = $token_length;
+                }
+            } elseif ($token === "\n") {
+                // hard break must reset counters
+                $length = 0;
+            }
+            $_previous = $_space;
+            // add the token
+            $t .= $token;
+        }
+    }
+    return $t;
+}