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1081 lines
30 KiB
1081 lines
30 KiB
1 year ago
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<?php
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/**
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*
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* @package phpBB3
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* @version $Id: template.php 8943 2008-09-26 13:09:56Z acydburn $
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* @copyright (c) 2005 phpBB Group, sections (c) 2001 ispi of Lincoln Inc
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* Base Template class.
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* @package phpBB3
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*/
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class Template
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{
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/** variable that holds all the data we'll be substituting into
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* the compiled templates. Takes form:
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* --> $this->_tpldata[block][iteration#][child][iteration#][child2][iteration#][variablename] == value
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* if it's a root-level variable, it'll be like this:
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* --> $this->_tpldata[.][0][varname] == value
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*/
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private $_tpldata = array('.' => array(0 => array()));
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private $_rootref;
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// Root dir and hash of filenames for each template handle.
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private $root = '';
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private $cachepath = '';
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private $files = array();
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private $filename = array();
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//private $files_inherit = array();
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//private $files_template = array();
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//private $inherit_root = '';
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// this will hash handle names to the compiled/uncompiled code for that handle.
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private $compiled_code = array();
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// Various storage arrays(functions_template)
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private $block_names = array();
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private $block_else_level = array();
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// ***** addon *******
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private $lang = NULL;
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const PHPEX = 'php';
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/**
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* Set template location
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* @access public
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*/
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public function __construct($template_path='template', $cache_path='cache', &$lang=NULL)
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{
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if (file_exists($template_path))
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{
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$this->root = $template_path;
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$this->cachepath = $cache_path . '/tpl_';
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$this->lang = &$lang;
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}
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else
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trigger_error('Template path could not be found: ' . $template_path, E_USER_ERROR);
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$this->_rootref = &$this->_tpldata['.'][0];
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}
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/**
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* Set custom template location (able to use directory outside of phpBB)
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* @access public
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*/
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function set_custom_template($template_path, $cache_path)
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{
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$this->root = $template_path;
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$this->cachepath = $cache_path . '/tpl_';
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return true;
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}
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/**
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* addon
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* Set custom language variable
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* @access public
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*/
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function set_language_var(&$lang)
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{
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$this->lang = &$lang;
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}
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/**
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* Sets the template filenames for handles. $filename_array
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* should be a hash of handle => filename pairs.
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* @access public
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*/
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public function set_filenames($filename_array)
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{
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if (!is_array($filename_array))
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return false;
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foreach ($filename_array as $handle => $filename)
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{
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if (empty($filename))
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trigger_error("template->set_filenames: Empty filename specified for $handle", E_USER_ERROR);
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$this->filename[$handle] = $filename;
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$this->files[$handle] = $this->root . '/' . $filename;
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}
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return true;
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}
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/**
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* Destroy template data set
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* @access public
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*/
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public function destroy()
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{
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$this->_tpldata = array('.' => array(0 => array()));
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}
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/**
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* Reset/empty complete block
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* @access public
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*/
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public function destroy_block_vars($blockname)
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{
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if (strpos($blockname, '.') !== false)
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{
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// Nested block.
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$blocks = explode('.', $blockname);
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$blockcount = sizeof($blocks) - 1;
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$str = &$this->_tpldata;
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for ($i = 0; $i < $blockcount; $i++)
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{
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$str = &$str[$blocks[$i]];
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$str = &$str[sizeof($str) - 1];
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}
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unset($str[$blocks[$blockcount]]);
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}
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else
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{
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// Top-level block.
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unset($this->_tpldata[$blockname]);
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}
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return true;
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}
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/**
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* Display handle
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* @access public
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*/
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public function display($handle, $include_once = true)
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{
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if ($filename = $this->_tpl_load($handle))
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($include_once) ? include_once($filename) : include($filename);
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else
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eval(' ?>' . $this->compiled_code[$handle] . '<?php ');
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return true;
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}
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/**
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* Display the handle and assign the output to a template variable or return the compiled result.
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* @access public
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*/
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public function assign_display($handle, $template_var = '', $return_content = true, $include_once = false)
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{
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ob_start();
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$this->display($handle, $include_once);
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$contents = ob_get_clean();
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if ($return_content)
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return $contents;
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$this->assign_var($template_var, $contents);
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return true;
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}
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/**
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* Load a compiled template if possible, if not, recompile it
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* @access private
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*/
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private function _tpl_load(&$handle)
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{
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$filename = $this->cachepath . str_replace('/', '.', $this->filename[$handle]) . '.' . self::PHPEX;
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if (!file_exists($filename) || @filesize($filename) === 0)
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$recompile = true;
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else
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$recompile = (@filemtime($filename) < filemtime($this->files[$handle])) ? true : false;
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// Recompile page if the original template is newer, otherwise load the compiled version
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if (!$recompile)
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return $filename;
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// If we don't have a file assigned to this handle, die.
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if (!isset($this->files[$handle]))
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trigger_error("template->_tpl_load(): No file specified for handle $handle", E_USER_ERROR);
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$this->_tpl_load_file($handle);
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return false;
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}
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/**
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* Assign key variable pairs from an array
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* @access public
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*/
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public function assign_vars($vararray)
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{
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foreach ($vararray as $key => $val)
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$this->_rootref[$key] = $val;
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return true;
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}
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/**
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* Assign a single variable to a single key
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* @access public
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*/
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public function assign_var($varname, $varval)
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{
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$this->_rootref[$varname] = $varval;
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return true;
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}
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/**
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* Assign key variable pairs from an array to a specified block
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* @access public
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*/
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public function assign_block_vars($blockname, $vararray)
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{
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if (strpos($blockname, '.') !== false)
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{
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// Nested block.
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$blocks = explode('.', $blockname);
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$blockcount = sizeof($blocks) - 1;
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$str = &$this->_tpldata;
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for ($i = 0; $i < $blockcount; $i++)
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{
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$str = &$str[$blocks[$i]];
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if (!empty($str)) {
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$str = &$str[sizeof($str) - 1];
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}
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}
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$s_row_count = isset($str[$blocks[$blockcount]]) ? sizeof($str[$blocks[$blockcount]]) : 0;
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$vararray['S_ROW_COUNT'] = $s_row_count;
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// Assign S_FIRST_ROW
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if (!$s_row_count)
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$vararray['S_FIRST_ROW'] = true;
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// Now the tricky part, we always assign S_LAST_ROW and remove the entry before
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// This is much more clever than going through the complete template data on display (phew)
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$vararray['S_LAST_ROW'] = true;
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if ($s_row_count > 0)
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unset($str[$blocks[$blockcount]][($s_row_count - 1)]['S_LAST_ROW']);
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// Now we add the block that we're actually assigning to.
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// We're adding a new iteration to this block with the given
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// variable assignments.
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$str[$blocks[$blockcount]][] = $vararray;
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}
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else
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{
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// Top-level block.
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$s_row_count = (isset($this->_tpldata[$blockname])) ? sizeof($this->_tpldata[$blockname]) : 0;
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$vararray['S_ROW_COUNT'] = $s_row_count;
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// Assign S_FIRST_ROW
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if (!$s_row_count)
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$vararray['S_FIRST_ROW'] = true;
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// We always assign S_LAST_ROW and remove the entry before
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$vararray['S_LAST_ROW'] = true;
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if ($s_row_count > 0)
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unset($this->_tpldata[$blockname][($s_row_count - 1)]['S_LAST_ROW']);
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// Add a new iteration to this block with the variable assignments we were given.
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$this->_tpldata[$blockname][] = $vararray;
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}
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return true;
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}
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/**
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* Change already assigned key variable pair (one-dimensional - single loop entry)
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*
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* An example of how to use this function:
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* {@example alter_block_array.php}
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*
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* @param string $blockname the blockname, for example 'loop'
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* @param array $vararray the var array to insert/add or merge
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* @param mixed $key Key to search for
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*
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* array: KEY => VALUE [the key/value pair to search for within the loop to determine the correct position]
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*
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* int: Position [the position to change or insert at directly given]
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*
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* If key is false the position is set to 0
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* If key is true the position is set to the last entry
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*
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* @param string $mode Mode to execute (valid modes are 'insert' and 'change')
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*
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* If insert, the vararray is inserted at the given position (position counting from zero).
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* If change, the current block gets merged with the vararray (resulting in new key/value pairs be added and existing keys be replaced by the new value).
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*
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* Since counting begins by zero, inserting at the last position will result in this array: array(vararray, last positioned array)
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* and inserting at position 1 will result in this array: array(first positioned array, vararray, following vars)
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*
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* @return bool false on error, true on success
|
||
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* @access public
|
||
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*/
|
||
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public function alter_block_array($blockname, $vararray, $key = false, $mode = 'insert')
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{
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||
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if (strpos($blockname, '.') !== false)
|
||
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{
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||
|
|
// Nested blocks are not supported
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||
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return false;
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||
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}
|
||
|
|
|
||
|
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// Change key to zero (change first position) if false and to last position if true
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||
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if ($key === false || $key === true)
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{
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$key = ($key === false) ? 0 : sizeof($this->_tpldata[$blockname]);
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}
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||
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// Get correct position if array given
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||
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if (is_array($key))
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{
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||
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// Search array to get correct position
|
||
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list($search_key, $search_value) = @each($key);
|
||
|
|
|
||
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$key = NULL;
|
||
|
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foreach ($this->_tpldata[$blockname] as $i => $val_ary)
|
||
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{
|
||
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if ($val_ary[$search_key] === $search_value)
|
||
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{
|
||
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$key = $i;
|
||
|
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break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// key/value pair not found
|
||
|
|
if ($key === NULL)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Insert Block
|
||
|
|
if ($mode == 'insert')
|
||
|
|
{
|
||
|
|
// Make sure we are not exceeding the last iteration
|
||
|
|
if ($key >= sizeof($this->_tpldata[$blockname]))
|
||
|
|
{
|
||
|
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$key = sizeof($this->_tpldata[$blockname]);
|
||
|
|
unset($this->_tpldata[$blockname][($key - 1)]['S_LAST_ROW']);
|
||
|
|
$vararray['S_LAST_ROW'] = true;
|
||
|
|
}
|
||
|
|
else if ($key === 0)
|
||
|
|
{
|
||
|
|
unset($this->_tpldata[$blockname][0]['S_FIRST_ROW']);
|
||
|
|
$vararray['S_FIRST_ROW'] = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Re-position template blocks
|
||
|
|
for ($i = sizeof($this->_tpldata[$blockname]); $i > $key; $i--)
|
||
|
|
{
|
||
|
|
$this->_tpldata[$blockname][$i] = $this->_tpldata[$blockname][$i-1];
|
||
|
|
$this->_tpldata[$blockname][$i]['S_ROW_COUNT'] = $i;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Insert vararray at given position
|
||
|
|
$vararray['S_ROW_COUNT'] = $key;
|
||
|
|
$this->_tpldata[$blockname][$key] = $vararray;
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Which block to change?
|
||
|
|
if ($mode == 'change')
|
||
|
|
{
|
||
|
|
if ($key == sizeof($this->_tpldata[$blockname]))
|
||
|
|
{
|
||
|
|
$key--;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_tpldata[$blockname][$key] = array_merge($this->_tpldata[$blockname][$key], $vararray);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Include a separate template
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function _tpl_include($filename, $include = true)
|
||
|
|
{
|
||
|
|
$handle = $filename;
|
||
|
|
$this->filename[$handle] = $filename;
|
||
|
|
$this->files[$handle] = $this->root . '/' . $filename;
|
||
|
|
|
||
|
|
$filename = $this->_tpl_load($handle);
|
||
|
|
|
||
|
|
if ($include)
|
||
|
|
{
|
||
|
|
if ($filename)
|
||
|
|
{
|
||
|
|
include($filename);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
eval(' ?>' . $this->compiled_code[$handle] . '<?php ');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*-------------------- FUNCTIONS_TEMPLATE ---------------------------------*/
|
||
|
|
/**
|
||
|
|
* Load template source from file
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function _tpl_load_file($handle, $store_in_db = false)
|
||
|
|
{
|
||
|
|
// Try and open template for read
|
||
|
|
if (!file_exists($this->files[$handle]))
|
||
|
|
trigger_error("template->_tpl_load_file(): File {$this->files[$handle]} does not exist or is empty", E_USER_ERROR);
|
||
|
|
|
||
|
|
$this->compiled_code[$handle] = $this->compile(trim(@file_get_contents($this->files[$handle])));
|
||
|
|
|
||
|
|
// Actually compile the code now.
|
||
|
|
$this->compile_write($handle, $this->compiled_code[$handle]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Remove any PHP tags that do not belong, these regular expressions are derived from
|
||
|
|
* the ones that exist in zend_language_scanner.l
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function remove_php_tags(&$code)
|
||
|
|
{
|
||
|
|
// This matches the information gathered from the internal PHP lexer
|
||
|
|
$match = array(
|
||
|
|
'#<([\?%])=?.*?\1>#s',
|
||
|
|
'#<script\s+language\s*=\s*(["\']?)php\1\s*>.*?</script\s*>#s',
|
||
|
|
'#<\?php(?:\r\n?|[ \n\t]).*?\?>#s'
|
||
|
|
);
|
||
|
|
|
||
|
|
$code = preg_replace($match, '', $code);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The all seeing all doing compile method. Parts are inspired by or directly from Smarty
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile($code, $no_echo = false, $echo_var = '')
|
||
|
|
{
|
||
|
|
if ($echo_var)
|
||
|
|
global $$echo_var;
|
||
|
|
|
||
|
|
// Remove any "loose" php ... we want to give admins the ability
|
||
|
|
// to switch on/off PHP for a given template. Allowing unchecked
|
||
|
|
// php is a no-no. There is a potential issue here in that non-php
|
||
|
|
// content may be removed ... however designers should use entities
|
||
|
|
// if they wish to display < and >
|
||
|
|
$this->remove_php_tags($code);
|
||
|
|
|
||
|
|
// Pull out all block/statement level elements and separate plain text
|
||
|
|
preg_match_all('#<!-- PHP -->(.*?)<!-- ENDPHP -->#s', $code, $matches);
|
||
|
|
$php_blocks = $matches[1];
|
||
|
|
$code = preg_replace('#<!-- PHP -->.*?<!-- ENDPHP -->#s', '<!-- PHP -->', $code);
|
||
|
|
|
||
|
|
preg_match_all('#<!-- INCLUDE ([a-zA-Z0-9\_\-\+\./]+) -->#', $code, $matches);
|
||
|
|
$include_blocks = $matches[1];
|
||
|
|
$code = preg_replace('#<!-- INCLUDE [a-zA-Z0-9\_\-\+\./]+ -->#', '<!-- INCLUDE -->', $code);
|
||
|
|
|
||
|
|
preg_match_all('#<!-- INCLUDEPHP ([a-zA-Z0-9\_\-\+\./]+) -->#', $code, $matches);
|
||
|
|
$includephp_blocks = $matches[1];
|
||
|
|
$code = preg_replace('#<!-- INCLUDEPHP [a-zA-Z0-9\_\-\+\./]+ -->#', '<!-- INCLUDEPHP -->', $code);
|
||
|
|
|
||
|
|
preg_match_all('#<!-- ([^<].*?) (.*?)? ?-->#', $code, $blocks, PREG_SET_ORDER);
|
||
|
|
|
||
|
|
$text_blocks = preg_split('#<!-- [^<].*? (?:.*?)? ?-->#', $code);
|
||
|
|
|
||
|
|
for ($i = 0, $j = sizeof($text_blocks); $i < $j; $i++)
|
||
|
|
{
|
||
|
|
$this->compile_var_tags($text_blocks[$i]);
|
||
|
|
}
|
||
|
|
$compile_blocks = array();
|
||
|
|
|
||
|
|
for ($curr_tb = 0, $tb_size = sizeof($blocks); $curr_tb < $tb_size; $curr_tb++)
|
||
|
|
{
|
||
|
|
$block_val = &$blocks[$curr_tb];
|
||
|
|
|
||
|
|
switch ($block_val[1])
|
||
|
|
{
|
||
|
|
case 'BEGIN':
|
||
|
|
$this->block_else_level[] = false;
|
||
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_block($block_val[2]) . ' ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'BEGINELSE':
|
||
|
|
$this->block_else_level[sizeof($this->block_else_level) - 1] = true;
|
||
|
|
$compile_blocks[] = '<?php }} else { ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'END':
|
||
|
|
array_pop($this->block_names);
|
||
|
|
$compile_blocks[] = '<?php ' . ((array_pop($this->block_else_level)) ? '}' : '}}') . ' ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'IF':
|
||
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_if($block_val[2], false) . ' ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'ELSE':
|
||
|
|
$compile_blocks[] = '<?php } else { ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'ELSEIF':
|
||
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_if($block_val[2], true) . ' ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'ENDIF':
|
||
|
|
$compile_blocks[] = '<?php } ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'DEFINE':
|
||
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_define($block_val[2], true) . ' ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'UNDEFINE':
|
||
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_define($block_val[2], false) . ' ?>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'INCLUDE':
|
||
|
|
$temp = array_shift($include_blocks);
|
||
|
|
$compile_blocks[] = '<?php ' . $this->compile_tag_include($temp) . ' ?>';
|
||
|
|
$this->_tpl_include($temp, false);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'INCLUDEPHP':
|
||
|
|
$compile_blocks[] = ($config['tpl_allow_php']) ? '<?php ' . $this->compile_tag_include_php(array_shift($includephp_blocks)) . ' ?>' : '';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'PHP':
|
||
|
|
$compile_blocks[] = ($config['tpl_allow_php']) ? '<?php ' . array_shift($php_blocks) . ' ?>' : '';
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
$this->compile_var_tags($block_val[0]);
|
||
|
|
$trim_check = trim($block_val[0]);
|
||
|
|
$compile_blocks[] = (!$no_echo) ? ((!empty($trim_check)) ? $block_val[0] : '') : ((!empty($trim_check)) ? $block_val[0] : '');
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$template_php = '';
|
||
|
|
for ($i = 0, $size = sizeof($text_blocks); $i < $size; $i++)
|
||
|
|
{
|
||
|
|
$trim_check_text = trim($text_blocks[$i]);
|
||
|
|
$template_php .= (!$no_echo) ? (($trim_check_text != '') ? $text_blocks[$i] : '') . ((isset($compile_blocks[$i])) ? $compile_blocks[$i] : '') : (($trim_check_text != '') ? $text_blocks[$i] : '') . ((isset($compile_blocks[$i])) ? $compile_blocks[$i] : '');
|
||
|
|
}
|
||
|
|
|
||
|
|
// There will be a number of occasions where we switch into and out of
|
||
|
|
// PHP mode instantaneously. Rather than "burden" the parser with this
|
||
|
|
// we'll strip out such occurences, minimising such switching
|
||
|
|
$template_php = str_replace(' ?><?php ', ' ', $template_php);
|
||
|
|
|
||
|
|
return (!$no_echo) ? $template_php : "\$$echo_var .= '" . $template_php . "'";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile variables
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile_var_tags(&$text_blocks)
|
||
|
|
{
|
||
|
|
// change template varrefs into PHP varrefs
|
||
|
|
$varrefs = array();
|
||
|
|
|
||
|
|
// This one will handle varrefs WITH namespaces
|
||
|
|
preg_match_all('#\{((?:[a-z0-9\-_]+\.)+)(\$)?([A-Z0-9\-_]+)\}#', $text_blocks, $varrefs, PREG_SET_ORDER);
|
||
|
|
|
||
|
|
foreach ($varrefs as $var_val)
|
||
|
|
{
|
||
|
|
$namespace = $var_val[1];
|
||
|
|
$varname = $var_val[3];
|
||
|
|
$new = $this->generate_block_varref($namespace, $varname, true, $var_val[2]);
|
||
|
|
|
||
|
|
$text_blocks = str_replace($var_val[0], $new, $text_blocks);
|
||
|
|
}
|
||
|
|
|
||
|
|
// This will handle the remaining root-level varrefs
|
||
|
|
// transform vars prefixed by L_ into their language variable pendant if nothing is set within the tpldata array
|
||
|
|
if (strpos($text_blocks, '{L_') !== false)
|
||
|
|
{
|
||
|
|
$text_blocks = preg_replace('#\{L_([a-z0-9\-_]*)\}#is', "<?php echo ((isset(\$this->_rootref['L_\\1'])) ? \$this->_rootref['L_\\1'] : ((isset(\$this->lang['\\1'])) ? \$this->lang['\\1'] : '{ \\1 }')); ?>", $text_blocks);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Handle addslashed language variables prefixed with LA_
|
||
|
|
// If a template variable already exist, it will be used in favor of it...
|
||
|
|
if (strpos($text_blocks, '{LA_') !== false)
|
||
|
|
{
|
||
|
|
$text_blocks = preg_replace('#\{LA_([a-z0-9\-_]*)\}#is', "<?php echo ((isset(\$this->_rootref['LA_\\1'])) ? \$this->_rootref['LA_\\1'] : ((isset(\$this->_rootref['L_\\1'])) ? addslashes(\$this->_rootref['L_\\1']) : ((isset(\$this->lang['\\1'])) ? addslashes(\$this->lang['\\1']) : '{ \\1 }'))); ?>", $text_blocks);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Handle remaining varrefs
|
||
|
|
$text_blocks = preg_replace('#\{([a-z0-9\-_]+)\}#is', "<?php echo (isset(\$this->_rootref['\\1'])) ? \$this->_rootref['\\1'] : ''; ?>", $text_blocks);
|
||
|
|
$text_blocks = preg_replace('#\{\$([a-z0-9\-_]+)\}#is', "<?php echo (isset(\$this->_tpldata['DEFINE']['.']['\\1'])) ? \$this->_tpldata['DEFINE']['.']['\\1'] : ''; ?>", $text_blocks);
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile blocks
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile_tag_block($tag_args)
|
||
|
|
{
|
||
|
|
$no_nesting = false;
|
||
|
|
|
||
|
|
// Is the designer wanting to call another loop in a loop?
|
||
|
|
if (strpos($tag_args, '!') === 0)
|
||
|
|
{
|
||
|
|
// Count the number if ! occurrences (not allowed in vars)
|
||
|
|
$no_nesting = substr_count($tag_args, '!');
|
||
|
|
$tag_args = substr($tag_args, $no_nesting);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Allow for control of looping (indexes start from zero):
|
||
|
|
// foo(2) : Will start the loop on the 3rd entry
|
||
|
|
// foo(-2) : Will start the loop two entries from the end
|
||
|
|
// foo(3,4) : Will start the loop on the fourth entry and end it on the fifth
|
||
|
|
// foo(3,-4) : Will start the loop on the fourth entry and end it four from last
|
||
|
|
if (preg_match('#^([^()]*)\(([\-\d]+)(?:,([\-\d]+))?\)$#', $tag_args, $match))
|
||
|
|
{
|
||
|
|
$tag_args = $match[1];
|
||
|
|
|
||
|
|
if ($match[2] < 0)
|
||
|
|
$loop_start = '($_' . $tag_args . '_count ' . $match[2] . ' < 0 ? 0 : $_' . $tag_args . '_count ' . $match[2] . ')';
|
||
|
|
else
|
||
|
|
$loop_start = '($_' . $tag_args . '_count < ' . $match[2] . ' ? $_' . $tag_args . '_count : ' . $match[2] . ')';
|
||
|
|
|
||
|
|
if (strlen($match[3]) < 1 || $match[3] == -1)
|
||
|
|
$loop_end = '$_' . $tag_args . '_count';
|
||
|
|
else if ($match[3] >= 0)
|
||
|
|
$loop_end = '(' . ($match[3] + 1) . ' > $_' . $tag_args . '_count ? $_' . $tag_args . '_count : ' . ($match[3] + 1) . ')';
|
||
|
|
else //if ($match[3] < -1)
|
||
|
|
$loop_end = '$_' . $tag_args . '_count' . ($match[3] + 1);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$loop_start = 0;
|
||
|
|
$loop_end = '$_' . $tag_args . '_count';
|
||
|
|
}
|
||
|
|
|
||
|
|
$tag_template_php = '';
|
||
|
|
array_push($this->block_names, $tag_args);
|
||
|
|
|
||
|
|
if ($no_nesting !== false)
|
||
|
|
{
|
||
|
|
// We need to implode $no_nesting times from the end...
|
||
|
|
$block = array_slice($this->block_names, -$no_nesting);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$block = $this->block_names;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sizeof($block) < 2)
|
||
|
|
{
|
||
|
|
// Block is not nested.
|
||
|
|
$tag_template_php = '$_' . $tag_args . "_count = (isset(\$this->_tpldata['$tag_args'])) ? sizeof(\$this->_tpldata['$tag_args']) : 0;";
|
||
|
|
$varref = "\$this->_tpldata['$tag_args']";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// This block is nested.
|
||
|
|
// Generate a namespace string for this block.
|
||
|
|
$namespace = implode('.', $block);
|
||
|
|
|
||
|
|
// Get a reference to the data array for this block that depends on the
|
||
|
|
// current indices of all parent blocks.
|
||
|
|
$varref = $this->generate_block_data_ref($namespace, false);
|
||
|
|
|
||
|
|
// Create the for loop code to iterate over this block.
|
||
|
|
$tag_template_php = '$_' . $tag_args . '_count = (isset(' . $varref . ')) ? sizeof(' . $varref . ') : 0;';
|
||
|
|
}
|
||
|
|
|
||
|
|
$tag_template_php .= 'if ($_' . $tag_args . '_count) {';
|
||
|
|
$tag_template_php .= 'for ($_' . $tag_args . '_i = ' . $loop_start . '; $_' . $tag_args . '_i < ' . $loop_end . '; ++$_' . $tag_args . '_i){';
|
||
|
|
$tag_template_php .= '$_'. $tag_args . '_val = &' . $varref . '[$_'. $tag_args. '_i];';
|
||
|
|
|
||
|
|
return $tag_template_php;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile IF tags - much of this is from Smarty with
|
||
|
|
* some adaptions for our block level methods
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile_tag_if($tag_args, $elseif)
|
||
|
|
{
|
||
|
|
// Tokenize args for 'if' tag.
|
||
|
|
preg_match_all('/(?:
|
||
|
|
"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" |
|
||
|
|
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' |
|
||
|
|
[(),] |
|
||
|
|
[^\s(),]+)/x', $tag_args, $match);
|
||
|
|
|
||
|
|
$tokens = $match[0];
|
||
|
|
$is_arg_stack = array();
|
||
|
|
|
||
|
|
for ($i = 0, $size = sizeof($tokens); $i < $size; $i++)
|
||
|
|
{
|
||
|
|
$token = &$tokens[$i];
|
||
|
|
|
||
|
|
switch ($token)
|
||
|
|
{
|
||
|
|
case '!==':
|
||
|
|
case '===':
|
||
|
|
case '<<':
|
||
|
|
case '>>':
|
||
|
|
case '|':
|
||
|
|
case '^':
|
||
|
|
case '&':
|
||
|
|
case '~':
|
||
|
|
case ')':
|
||
|
|
case ',':
|
||
|
|
case '+':
|
||
|
|
case '-':
|
||
|
|
case '*':
|
||
|
|
case '/':
|
||
|
|
case '@':
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '==':
|
||
|
|
case 'eq':
|
||
|
|
$token = '==';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '!=':
|
||
|
|
case '<>':
|
||
|
|
case 'ne':
|
||
|
|
case 'neq':
|
||
|
|
$token = '!=';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '<':
|
||
|
|
case 'lt':
|
||
|
|
$token = '<';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '<=':
|
||
|
|
case 'le':
|
||
|
|
case 'lte':
|
||
|
|
$token = '<=';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '>':
|
||
|
|
case 'gt':
|
||
|
|
$token = '>';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '>=':
|
||
|
|
case 'ge':
|
||
|
|
case 'gte':
|
||
|
|
$token = '>=';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '&&':
|
||
|
|
case 'and':
|
||
|
|
$token = '&&';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '||':
|
||
|
|
case 'or':
|
||
|
|
$token = '||';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '!':
|
||
|
|
case 'not':
|
||
|
|
$token = '!';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '%':
|
||
|
|
case 'mod':
|
||
|
|
$token = '%';
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '(':
|
||
|
|
array_push($is_arg_stack, $i);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'is':
|
||
|
|
$is_arg_start = ($tokens[$i-1] == ')') ? array_pop($is_arg_stack) : $i-1;
|
||
|
|
$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start));
|
||
|
|
|
||
|
|
$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1));
|
||
|
|
|
||
|
|
array_splice($tokens, $is_arg_start, sizeof($tokens), $new_tokens);
|
||
|
|
|
||
|
|
$i = $is_arg_start;
|
||
|
|
|
||
|
|
// no break
|
||
|
|
|
||
|
|
default:
|
||
|
|
if (preg_match('#^((?:[a-z0-9\-_]+\.)+)?(\$)?(?=[A-Z])([A-Z0-9\-_]+)#s', $token, $varrefs))
|
||
|
|
{
|
||
|
|
$token = (!empty($varrefs[1])) ? $this->generate_block_data_ref(substr($varrefs[1], 0, -1), true, $varrefs[2]) . '[\'' . $varrefs[3] . '\']' : (($varrefs[2]) ? '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $varrefs[3] . '\']' : '$this->_rootref[\'' . $varrefs[3] . '\']');
|
||
|
|
}
|
||
|
|
else if (preg_match('#^\.((?:[a-z0-9\-_]+\.?)+)$#s', $token, $varrefs))
|
||
|
|
{
|
||
|
|
// Allow checking if loops are set with .loopname
|
||
|
|
// It is also possible to check the loop count by doing <!-- IF .loopname > 1 --> for example
|
||
|
|
$blocks = explode('.', $varrefs[1]);
|
||
|
|
|
||
|
|
// If the block is nested, we have a reference that we can grab.
|
||
|
|
// If the block is not nested, we just go and grab the block from _tpldata
|
||
|
|
if (sizeof($blocks) > 1)
|
||
|
|
{
|
||
|
|
$block = array_pop($blocks);
|
||
|
|
$namespace = implode('.', $blocks);
|
||
|
|
$varref = $this->generate_block_data_ref($namespace, true);
|
||
|
|
|
||
|
|
// Add the block reference for the last child.
|
||
|
|
$varref .= "['" . $block . "']";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$varref = '$this->_tpldata';
|
||
|
|
|
||
|
|
// Add the block reference for the last child.
|
||
|
|
$varref .= "['" . $blocks[0] . "']";
|
||
|
|
}
|
||
|
|
$token = "sizeof($varref)";
|
||
|
|
}
|
||
|
|
else if (!empty($token))
|
||
|
|
{
|
||
|
|
$token = '(' . $token . ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If there are no valid tokens left or only control/compare characters left, we do skip this statement
|
||
|
|
if (!sizeof($tokens) || str_replace(array(' ', '=', '!', '<', '>', '&', '|', '%', '(', ')'), '', implode('', $tokens)) == '')
|
||
|
|
{
|
||
|
|
$tokens = array('false');
|
||
|
|
}
|
||
|
|
return (($elseif) ? '} else if (' : 'if (') . (implode(' ', $tokens) . ') { ');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile DEFINE tags
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile_tag_define($tag_args, $op)
|
||
|
|
{
|
||
|
|
preg_match('#^((?:[a-z0-9\-_]+\.)+)?\$(?=[A-Z])([A-Z0-9_\-]*)(?: = (\'?)([^\']*)(\'?))?$#', $tag_args, $match);
|
||
|
|
|
||
|
|
if (empty($match[2]) || (!isset($match[4]) && $op))
|
||
|
|
return '';
|
||
|
|
|
||
|
|
if (!$op)
|
||
|
|
return 'unset(' . (($match[1]) ? $this->generate_block_data_ref(substr($match[1], 0, -1), true, true) . '[\'' . $match[2] . '\']' : '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $match[2] . '\']') . ');';
|
||
|
|
|
||
|
|
// Are we a string?
|
||
|
|
if ($match[3] && $match[5])
|
||
|
|
{
|
||
|
|
$match[4] = str_replace(array('\\\'', '\\\\', '\''), array('\'', '\\', '\\\''), $match[4]);
|
||
|
|
|
||
|
|
// Compile reference, we allow template variables in defines...
|
||
|
|
$match[4] = $this->compile($match[4]);
|
||
|
|
|
||
|
|
// Now replace the php code
|
||
|
|
$match[4] = "'" . str_replace(array('<?php echo ', '; ?>'), array("' . ", " . '"), $match[4]) . "'";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
preg_match('#true|false|\.#i', $match[4], $type);
|
||
|
|
|
||
|
|
switch (strtolower($type[0]))
|
||
|
|
{
|
||
|
|
case 'true':
|
||
|
|
case 'false':
|
||
|
|
$match[4] = strtoupper($match[4]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '.':
|
||
|
|
$match[4] = doubleval($match[4]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
$match[4] = intval($match[4]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return (($match[1]) ? $this->generate_block_data_ref(substr($match[1], 0, -1), true, true) . '[\'' . $match[2] . '\']' : '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $match[2] . '\']') . ' = ' . $match[4] . ';';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile INCLUDE tag
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile_tag_include($tag_args)
|
||
|
|
{
|
||
|
|
return "\$this->_tpl_include('$tag_args');";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile INCLUDE_PHP tag
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile_tag_include_php($tag_args)
|
||
|
|
{
|
||
|
|
return "include('" . $tag_args . "');";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* parse expression
|
||
|
|
* This is from Smarty
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function _parse_is_expr($is_arg, $tokens)
|
||
|
|
{
|
||
|
|
$expr_end = 0;
|
||
|
|
$negate_expr = false;
|
||
|
|
|
||
|
|
if (($first_token = array_shift($tokens)) == 'not')
|
||
|
|
{
|
||
|
|
$negate_expr = true;
|
||
|
|
$expr_type = array_shift($tokens);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$expr_type = $first_token;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ($expr_type)
|
||
|
|
{
|
||
|
|
case 'even':
|
||
|
|
if (@$tokens[$expr_end] == 'by')
|
||
|
|
{
|
||
|
|
$expr_end++;
|
||
|
|
$expr_arg = $tokens[$expr_end++];
|
||
|
|
$expr = "!(($is_arg / $expr_arg) % $expr_arg)";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$expr = "!($is_arg & 1)";
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'odd':
|
||
|
|
if (@$tokens[$expr_end] == 'by')
|
||
|
|
{
|
||
|
|
$expr_end++;
|
||
|
|
$expr_arg = $tokens[$expr_end++];
|
||
|
|
$expr = "(($is_arg / $expr_arg) % $expr_arg)";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$expr = "($is_arg & 1)";
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'div':
|
||
|
|
if (@$tokens[$expr_end] == 'by')
|
||
|
|
{
|
||
|
|
$expr_end++;
|
||
|
|
$expr_arg = $tokens[$expr_end++];
|
||
|
|
$expr = "!($is_arg % $expr_arg)";
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($negate_expr)
|
||
|
|
{
|
||
|
|
$expr = "!($expr)";
|
||
|
|
}
|
||
|
|
|
||
|
|
array_splice($tokens, 0, $expr_end, $expr);
|
||
|
|
|
||
|
|
return $tokens;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generates a reference to the given variable inside the given (possibly nested)
|
||
|
|
* block namespace. This is a string of the form:
|
||
|
|
* ' . $this->_tpldata['parent'][$_parent_i]['$child1'][$_child1_i]['$child2'][$_child2_i]...['varname'] . '
|
||
|
|
* It's ready to be inserted into an "echo" line in one of the templates.
|
||
|
|
* NOTE: expects a trailing "." on the namespace.
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function generate_block_varref($namespace, $varname, $echo = true, $defop = false)
|
||
|
|
{
|
||
|
|
// Strip the trailing period.
|
||
|
|
$namespace = substr($namespace, 0, -1);
|
||
|
|
|
||
|
|
// Get a reference to the data block for this namespace.
|
||
|
|
$varref = $this->generate_block_data_ref($namespace, true, $defop);
|
||
|
|
// Prepend the necessary code to stick this in an echo line.
|
||
|
|
|
||
|
|
// Append the variable reference.
|
||
|
|
$varref .= "['$varname']";
|
||
|
|
$varref = ($echo) ? "<?php echo $varref; ?>" : ((isset($varref)) ? $varref : '');
|
||
|
|
|
||
|
|
return $varref;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generates a reference to the array of data values for the given
|
||
|
|
* (possibly nested) block namespace. This is a string of the form:
|
||
|
|
* $this->_tpldata['parent'][$_parent_i]['$child1'][$_child1_i]['$child2'][$_child2_i]...['$childN']
|
||
|
|
*
|
||
|
|
* If $include_last_iterator is true, then [$_childN_i] will be appended to the form shown above.
|
||
|
|
* NOTE: does not expect a trailing "." on the blockname.
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function generate_block_data_ref($blockname, $include_last_iterator, $defop = false)
|
||
|
|
{
|
||
|
|
// Get an array of the blocks involved.
|
||
|
|
$blocks = explode('.', $blockname);
|
||
|
|
$blockcount = sizeof($blocks) - 1;
|
||
|
|
|
||
|
|
// DEFINE is not an element of any referenced variable, we must use _tpldata to access it
|
||
|
|
if ($defop)
|
||
|
|
{
|
||
|
|
$varref = '$this->_tpldata[\'DEFINE\']';
|
||
|
|
// Build up the string with everything but the last child.
|
||
|
|
for ($i = 0; $i < $blockcount; $i++)
|
||
|
|
{
|
||
|
|
$varref .= "['" . $blocks[$i] . "'][\$_" . $blocks[$i] . '_i]';
|
||
|
|
}
|
||
|
|
// Add the block reference for the last child.
|
||
|
|
$varref .= "['" . $blocks[$blockcount] . "']";
|
||
|
|
// Add the iterator for the last child if requried.
|
||
|
|
if ($include_last_iterator)
|
||
|
|
{
|
||
|
|
$varref .= '[$_' . $blocks[$blockcount] . '_i]';
|
||
|
|
}
|
||
|
|
return $varref;
|
||
|
|
}
|
||
|
|
else if ($include_last_iterator)
|
||
|
|
{
|
||
|
|
return '$_'. $blocks[$blockcount] . '_val';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return '$_'. $blocks[$blockcount - 1] . '_val[\''. $blocks[$blockcount]. '\']';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Write compiled file to cache directory
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function compile_write($handle, $data)
|
||
|
|
{
|
||
|
|
$filename = $this->cachepath . str_replace('/', '.', $this->filename[$handle]) . '.' . self::PHPEX;
|
||
|
|
|
||
|
|
if ($fp = @fopen($filename, 'wb'))
|
||
|
|
{
|
||
|
|
@flock($fp, LOCK_EX);
|
||
|
|
@fwrite ($fp, $data);
|
||
|
|
@flock($fp, LOCK_UN);
|
||
|
|
@fclose($fp);
|
||
|
|
|
||
|
|
/***phpbb_chmod($filename, CHMOD_WRITE);*/
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|