david
802479ed64
git-svn-id: https://192.168.0.254/svn/Proyectos.FundacionLQDVI_WebCongresos/trunk@2 94ccb1af-fd9d-d947-8d90-7f70ea60afc8
64 lines
1.4 KiB
PHP
64 lines
1.4 KiB
PHP
<?PHP
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/**
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* patTemplate modfifier Expression
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*
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* $Id: Expression.php 10381 2008-06-01 03:35:53Z pasamio $
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*
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* @package patTemplate
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* @subpackage Modifiers
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* @author Stephan Schmidt <schst@php.net>
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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 modfifier Expression
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*
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* Evaluates an expression and returns one of
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* the defined values for true and false.
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*
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* Possible attributes are:
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* - expression (string)
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* - true (string)
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* - false (string)
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*
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* @package patTemplate
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* @subpackage Modifiers
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* @author Stephan Schmidt <schst@php.net>
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* @link http://www.php.net/manual/en/function.wordwrap.php
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*/
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class patTemplate_Modifier_Expression 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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/*
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* true and false
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*/
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if( !isset( $params['true'] ) )
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$params['true'] = 'true';
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if( !isset( $params['false'] ) )
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$params['false']= 'false';
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/*
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* replace the value in the expression
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*/
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$params['expression'] = str_replace( '$self', "'$value'", $params['expression'] );
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@eval( '$result = '.$params['expression'].';' );
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if ($result === true) {
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return str_replace( '$self', $value, $params['true'] );
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}
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return str_replace( '$self', $value, $params['false'] );
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}
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}
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?>
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