0,0 → 1,62 |
<?php |
/** |
* Smarty plugin |
* |
* @package Smarty |
* @subpackage PluginsModifier |
*/ |
/** |
* Smarty truncate modifier plugin |
* Type: modifier |
* Name: truncate |
* 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; |
} |