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-rw-r--r--lib/smarty/libs/plugins/modifier.truncate.php59
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/smarty/libs/plugins/modifier.truncate.php b/lib/smarty/libs/plugins/modifier.truncate.php
new file mode 100644
index 000000000..9a803ec99
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+++ b/lib/smarty/libs/plugins/modifier.truncate.php
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+<?php
+/**
+ * Smarty plugin
+ *
+ * @package Smarty
+ * @subpackage PluginsModifier
+ */
+
+/**
+ * Smarty truncate modifier plugin
+ *
+ * Type: modifier<br>
+ * Name: truncate<br>
+ * Purpose: Truncate a string to a certain length if necessary,
+ * optionally splitting in the middle of a word, and
+ * appending the $etc string or inserting $etc into the middle.
+ *
+ * @link http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual)
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @param string $string input string
+ * @param integer $length length of truncated text
+ * @param string $etc end string
+ * @param boolean $break_words truncate at word boundary
+ * @param boolean $middle truncate in the middle of text
+ * @return string truncated string
+ */
+function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false, $middle = false) {
+ if ($length == 0)
+ return '';
+
+ if (Smarty::$_MBSTRING) {
+ if (mb_strlen($string, Smarty::$_CHARSET) > $length) {
+ $length -= min($length, mb_strlen($etc, Smarty::$_CHARSET));
+ if (!$break_words && !$middle) {
+ $string = preg_replace('/\s+?(\S+)?$/' . Smarty::$_UTF8_MODIFIER, '', mb_substr($string, 0, $length + 1, Smarty::$_CHARSET));
+ }
+ if (!$middle) {
+ return mb_substr($string, 0, $length, Smarty::$_CHARSET) . $etc;
+ }
+ return mb_substr($string, 0, $length / 2, Smarty::$_CHARSET) . $etc . mb_substr($string, - $length / 2, $length, Smarty::$_CHARSET);
+ }
+ return $string;
+ }
+
+ // no MBString fallback
+ if (isset($string[$length])) {
+ $length -= min($length, strlen($etc));
+ if (!$break_words && !$middle) {
+ $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length + 1));
+ }
+ if (!$middle) {
+ return substr($string, 0, $length) . $etc;
+ }
+ return substr($string, 0, $length / 2) . $etc . substr($string, - $length / 2);
+ }
+ return $string;
+}
+
+?> \ No newline at end of file