david
802479ed64
git-svn-id: https://192.168.0.254/svn/Proyectos.FundacionLQDVI_WebCongresos/trunk@2 94ccb1af-fd9d-d947-8d90-7f70ea60afc8
89 lines
1.9 KiB
PHP
89 lines
1.9 KiB
PHP
<?php
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/**
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* patTemplate modifier Truncate
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*
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* Truncate a string variable to fixed length and add a suffix if it was truncated.
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* It can also start from an offset and add a prefix.
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*
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* @package patTemplate
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* @subpackage Modifiers
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* @author Rafa Couto <rafacouto@yahoo.com>
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*/
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// Check to ensure this file is within the rest of the framework
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defined('JPATH_BASE') or die();
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/**
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* patTemplate modifier Truncate
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*
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* Truncate a string variable to fixed length and add a suffix if it was truncated.
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* It can also start from an offset and add a prefix.
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*
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* Possible attributes are:
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* - length (integer)
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* - suffix (string)
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* - start
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* - prefix (string)
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*
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* @package patTemplate
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* @subpackage Modifiers
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* @author Rafa Couto <rafacouto@yahoo.com>
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*/
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class patTemplate_Modifier_Truncate extends patTemplate_Modifier
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{
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/**
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* modify the value
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*
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* @access public
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* @param string value
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* @return string modified value
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*/
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function modify($value, $params = array())
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{
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// length
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if (!isset( $params['length'])) {
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return $value;
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}
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settype($params['length'], 'integer');
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$decode = isset( $params['htmlsafe'] );
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if (function_exists( 'html_entity_decode' ) && $decode) {
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$value = html_entity_decode( $value );
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}
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// start
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if (isset($params['start'])) {
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settype( $params['start'], 'integer' );
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} else {
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$params['start'] = 0;
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}
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// prefix
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if (isset($params['prefix'])) {
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$prefix = ($params['start'] == 0 ? '' : $params['prefix']);
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} else {
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$prefix = '';
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}
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// suffix
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if (isset($params['suffix'])) {
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$suffix = $params['suffix'];
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} else {
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$suffix = '';
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}
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$initial_len = strlen($value);
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$value = substr($value, $params['start'], $params['length']);
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if ($initial_len <= strlen($value)) {
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$suffix = '';
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}
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$value = $prefix.$value.$suffix;
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return $decode ? htmlspecialchars( $value, ENT_QUOTES ) : $value;
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}
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}
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?>
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