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egroupware_official/phpgwapi/inc/savant2/Savant2/Savant2_Plugin_modify.php

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<?php
/**
* Base plugin class.
*/
require_once 'Savant2/Plugin.php';
/**
*
* Modifies a value with a series of functions.
*
* $Id$
*
* @author Paul M. Jones <pmjones@ciaweb.net>
*
* @package Savant2
*
* @license http://www.gnu.org/copyleft/lesser.html LGPL
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*/
class Savant2_Plugin_modify extends Savant2_Plugin {
/**
*
* Modifies a value with a series of functions.
*
* Allows you to pass a space-separated list of value-manipulation
* functions so that the value is "massaged" before output. For
* example, if you want to strip slashes, force to lower case, and
* convert to HTML entities (as for an input text box), you might do
* this:
*
* $this->modify($value, 'stripslashes strtolower htmlentities');
*
* @param object &$savant A reference to the calling Savant2 object.
*
* @access public
*
* @param string $value The value to be printed.
*
* @param string $functions A space-separated list of
* single-parameter functions to be applied to the $value before
* printing.
*
* @return string
*
*/
function plugin($value, $functions = null)
{
// is there a space-delimited function list?
if (is_string($functions)) {
// yes. split into an array of the
// functions to be called.
$list = explode(' ', $functions);
// loop through the function list and
// apply to the output in sequence.
foreach ($list as $func) {
if (function_exists($func)) {
$value = $func($value);
}
}
}
return $value;
}
}
?>