283 Zeilen
6.6 KiB
PHP
283 Zeilen
6.6 KiB
PHP
<?php
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/**
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* Project:
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* Contenido Content Management System
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*
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* Description:
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* Contenido Template Engine
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*
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* Requirements:
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* @con_php_req 5
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* @con_notice
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* Light template mechanism
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*
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* @package ContenidoBackendArea
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* @version 1.2
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* @author Jan Lengowski <Jan.Lengowski@4fb.de>
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* @copyright four for business AG <www.4fb.de>
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* @license http://www.contenido.org/license/LIZENZ.txt
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* @link http://www.4fb.de
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* @link http://www.contenido.org
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*
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*
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*
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* {@internal
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* created unknown
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* modified unknown, Stefan Jelner (Optimizations)
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* modified 2008-07-07, bilal arslan, added security fix
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*
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* $Id: class.template.php 283 2014-01-09 14:48:38Z oldperl $:
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* }}
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*
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*/
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if(!defined('CON_FRAMEWORK')) {
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die('Illegal call');
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}
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class Template
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{
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/**
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* Needles (static)
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* @var array
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*/
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var $needles = array ();
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/**
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* Replacements (static)
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* @var array
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*/
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var $replacements = array ();
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/**
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* Dyn_Needles (dynamic)
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* @var array
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*/
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var $Dyn_needles = array ();
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/**
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* Dyn_Replacements (dynamic)
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* @var array
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*/
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var $Dyn_replacements = array ();
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/**
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* Database instance
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* @var object
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*/
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var $db;
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/**
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* Template cache
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* @var array
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*/
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var $tplcache;
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/**
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* Template name cache
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* @var array
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*/
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var $tplnamecache;
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/**
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* Dynamic counter
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* @var int
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*/
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var $dyn_cnt = 0;
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/**
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* Tags array (for dynamic blocks);
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* @var array
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*/
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var $tags = array ('static' => '{%s}', 'start' => '<!-- BEGIN:BLOCK -->', 'end' => '<!-- END:BLOCK -->');
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/**
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* Constructor function
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* @return void
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*/
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function Template($tags = false)
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{
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$this->tplcache = Array ();
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$this->tplnamecache = Array ();
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if (is_array($tags))
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{
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$this->tags = $tags;
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}
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$this->setEncoding("");
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$this->setDomain("conlite");
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} // end function
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/**
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* setDomain
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*
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* Sets the gettext domain to use for translations in a template
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*
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* @param $sDomain string Sets the domain to use for template translations
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* @return none
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*/
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function setDomain ($sDomain)
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{
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$this->_sDomain = $sDomain;
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}
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/**
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* Set Templates placeholders and values
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*
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* With this method you can replace the placeholders
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* in the static templates with dynamic data.
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*
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* @param $which String 's' for Static or else dynamic
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* @param $needle String Placeholder
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* @param $replacement String Replacement String
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*
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* @return void
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*/
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function set($which = 's', $needle, $replacement)
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{
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if ($which == 's')
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{ // static
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$this->needles[] = sprintf($this->tags['static'], $needle);
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$this->replacements[] = $replacement;
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} else
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{ // dynamic
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$this->Dyn_needles[$this->dyn_cnt][] = sprintf($this->tags['static'], $needle);
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$this->Dyn_replacements[$this->dyn_cnt][] = $replacement;
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}
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}
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/**
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* Sets an encoding for the template's head block.
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*
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* @param $encoding string Encoding to set
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*/
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function setEncoding ($encoding)
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{
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$this->_encoding = $encoding;
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}
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/**
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* Iterate internal counter by one
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*
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* @return void
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*/
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function next()
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{
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$this->dyn_cnt++;
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}
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/**
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* Reset template data
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*
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* @return void
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*/
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function reset()
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{
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$this->dyn_cnt = 0;
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$this->needles = array ();
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$this->replacements = array ();
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$this->Dyn_needles = array ();
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$this->Dyn_replacements = array ();
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}
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/**
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* Generate the template and
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* print/return it. (do translations sequentially to save memory!!!)
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*
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* @param $template string/file Template
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* @param $return bool Return or print template
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* @param $note bool Echo "Generated by ... " Comment
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*
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* @return string complete Template string
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*/
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function generate($template, $return = 0, $note = 1)
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{
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global $cfg;
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$this->set("s", "TPL_ACT_YEAR", date("Y"));
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//check if the template is a file or a string
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if (!@ file_exists($template))
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$content = & $template; //template is a string (it is a reference to save memory!!!)
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else
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$content = implode("", file($template)); //template is a file
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$content = (($note) ? "<!-- Generated by ConLite ".$cfg['version']."-->\n" : "").$content;
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$pieces = array();
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//if content has dynamic blocks
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if (preg_match("/^.*".preg_quote($this->tags['start'], "/").".*?".preg_quote($this->tags['end'], "/").".*$/s", $content))
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{
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//split everything into an array
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preg_match_all("/^(.*)".preg_quote($this->tags['start'], "/")."(.*?)".preg_quote($this->tags['end'], "/")."(.*)$/s", $content, $pieces);
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//safe memory
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array_shift($pieces);
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$content = "";
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//now combine pieces together
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//start block
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$pieces[0][0] = str_replace($this->needles, $this->replacements, $pieces[0][0]);
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$this->replacei18n($pieces[0][0], "i18n");
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$this->replacei18n($pieces[0][0], "trans");
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$content .= $pieces[0][0];
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unset ($pieces[0][0]);
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//generate dynamic blocks
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for ($a = 0; $a < $this->dyn_cnt; $a ++)
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{
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$temp = str_replace($this->Dyn_needles[$a], $this->Dyn_replacements[$a], $pieces[1][0]);
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$this->replacei18n($temp, "i18n");
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$this->replacei18n($temp, "trans");
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$content .= $temp;
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}
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unset ($temp);
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//end block
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$pieces[2][0] = str_replace($this->needles, $this->replacements, $pieces[2][0]);
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$this->replacei18n($pieces[2][0], "i18n");
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$this->replacei18n($pieces[2][0], "trans");
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$content .= $pieces[2][0];
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unset ($pieces[2][0]);
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} else
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{
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$content = str_replace($this->needles, $this->replacements, $content);
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$this->replacei18n($content, "i18n");
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$this->replacei18n($content, "trans");
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}
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if ($this->_encoding != "")
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{
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$content = str_replace("</head>", '<meta http-equiv="Content-Type" content="text/html; charset='.$this->_encoding.'">'."\n".'</head>', $content);
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}
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if ($return)
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return $content;
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else
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echo $content;
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} # end function
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/**
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* replacei18n()
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*
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* Replaces a named function with the translated variant
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*
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* @param $template string Contents of the template to translate (it is reference to save memory!!!)
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* @param $functionName string Name of the translation function (e.g. i18n)
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*/
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function replacei18n(& $template, $functionName)
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{
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$matches = array();
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//if template contains functionName + parameter store all matches
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preg_match_all("/".preg_quote($functionName, "/")."\\(([\\\"\\'])(.*?)\\1\\)/s", $template, $matches);
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$matches = array_values(array_unique($matches[2]));
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for ($a = 0; $a < count($matches); $a ++)
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{
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$template = preg_replace("/".preg_quote($functionName, "/")."\\([\\\"\\']".preg_quote($matches[$a], "/")."[\\\"\\']\\)/s", i18n($matches[$a], $this->_sDomain), $template);
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}
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}
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} # end class
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?>
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