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37 lines
1.1 KiB
37 lines
1.1 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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/**
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* Smarty plugin
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* @package Smarty
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* @subpackage plugins
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*/
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/**
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* Smarty substring modifier plugin
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*
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* Type: modifier<br>
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* Name: substring<br>
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* Purpose: Returns a substring of string. Same arguments as
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* PHP substr function.
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* @link based on substr(): http://www.zend.com/manual/function.substr.php
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* @author Mike Kerr <tiki.kerrnel at kerris dot com>
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* @param string
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* @param position: start position of substring (default=0, negative starts N from end)
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* @param length: length of substring (default=to end of string; negative=left N from end)
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* @return string
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*/
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function smarty_modifier_substring($string, $position = 0, $length = null)
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{
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if ($length == null) {
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return substr($string, $position);
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} else {
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return substr($string, $position, $length);
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}
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}
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