Viewing file:  modifier.truncate.php (2.18 KB) -rw-r--r--
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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 /* ^phpunit */&&empty($_SERVER['SMARTY_PHPUNIT_DISABLE_MBSTRING'])/* phpunit$ */) {
if (mb_strlen($string, SMARTY_RESOURCE_CHAR_SET) > $length) {
$length -= min($length, mb_strlen($etc, SMARTY_RESOURCE_CHAR_SET));
if (!$break_words && !$middle) {
$string = preg_replace('/\s+?(\S+)?$/u', '', mb_substr($string, 0, $length + 1, SMARTY_RESOURCE_CHAR_SET));
}
if (!$middle) {
return mb_substr($string, 0, $length, SMARTY_RESOURCE_CHAR_SET) . $etc;
}
return mb_substr($string, 0, $length / 2, SMARTY_RESOURCE_CHAR_SET) . $etc . mb_substr($string, - $length / 2, $length, SMARTY_RESOURCE_CHAR_SET);
}
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;
}
?>
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