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Template caching ( file based )
git-svn-id: file:///svn/phpbb/trunk@2642 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen
parent
e733a0eca1
commit
5cff35d0f7
1 changed files with 101 additions and 48 deletions
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@ -1,6 +1,6 @@
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<?php
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/***************************************************************************
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* template.php
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* template.inc
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* -------------------
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* begin : Saturday, Feb 13, 2001
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* copyright : (C) 2001 The phpBB Group
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@ -28,7 +28,7 @@
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*/
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class Template {
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var $classname = "Template";
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var $classname = 'Template';
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// variable that holds all the data we'll be substituting into
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// the compiled templates.
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@ -43,7 +43,7 @@ class Template {
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var $files = array();
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// Root template directory.
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var $root = "";
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var $root = '';
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// this will hash handle names to the compiled code for that handle.
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var $compiled_code = array();
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@ -55,9 +55,12 @@ class Template {
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* Constructor. Simply sets the root dir.
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*
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*/
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function Template($root = ".")
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function Template($root = '.')
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{
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global $board_config, $db;
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$this->set_rootdir($root);
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$this->db = $db;
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}
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/**
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@ -80,6 +83,7 @@ class Template {
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}
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$this->root = $dir;
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$this->cachedir = $dir . '/cache/';
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return true;
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}
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@ -89,14 +93,16 @@ class Template {
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*/
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function set_filenames($filename_array)
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{
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if (!is_array($filename_array))
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if ( !is_array($filename_array) )
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{
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return false;
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}
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reset($filename_array);
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while(list($handle, $filename) = each($filename_array))
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$template_names = '';
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@reset($filename_array);
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while ( list($handle, $filename) = @each($filename_array) )
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{
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$this->filename[$handle] = $filename;
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$this->files[$handle] = $this->make_filename($filename);
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}
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@ -111,20 +117,40 @@ class Template {
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*/
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function pparse($handle)
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{
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if (!$this->loadfile($handle))
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{
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die("Template->pparse(): Couldn't load template file for handle $handle");
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}
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$cache_file = $this->cachedir . $this->filename[$handle] . '.php';
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// actually compile the template now.
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if (!isset($this->compiled_code[$handle]) || empty($this->compiled_code[$handle]))
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if( @filemtime($cache_file) == @filemtime($this->files[$handle]) )
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{
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$_str = '';
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include($cache_file);
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if ( $_str != '' )
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{
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echo $_str;
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}
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}
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else
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{
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if ( !$this->loadfile($handle) )
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{
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die("Template->pparse(): Couldn't load template file for handle $handle");
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}
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//
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// Actually compile the code now.
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//
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$this->compiled_code[$handle] = $this->compile($this->uncompiled_code[$handle]);
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}
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// Run the compiled code.
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eval($this->compiled_code[$handle]);
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$fp = fopen($cache_file, 'w+');
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fwrite ($fp, '<?php' . "\n" . $this->compiled_code[$handle] . "\n?" . '>');
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fclose($fp);
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touch($cache_file, filemtime($this->files[$handle]));
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@chmod($cache_file, 0777);
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eval($this->compiled_code[$handle]);
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}
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return true;
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}
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@ -138,17 +164,36 @@ class Template {
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*/
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function assign_var_from_handle($varname, $handle)
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{
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if (!$this->loadfile($handle))
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$cache_file = $this->cachedir . $this->filename[$handle] . '.php';
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if( @filemtime($cache_file) == @filemtime($this->files[$handle]) )
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{
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die("Template->assign_var_from_handle(): Couldn't load template file for handle $handle");
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$_str = '';
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include($cache_file);
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}
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else
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{
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if ( !$this->loadfile($handle) )
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{
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die("Template->pparse(): Couldn't load template file for handle $handle");
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}
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$code = $this->compile($this->uncompiled_code[$handle], true, '_str');
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$fp = fopen($cache_file, 'w+');
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fwrite ($fp, '<?php' . "\n" . $code . "\n?" . '>');
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fclose($fp);
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touch($cache_file, filemtime($this->files[$handle]));
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@chmod($cache_file, 0777);
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// Compile It, With The "no Echo Statements" Option On.
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$_str = '';
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// evaluate the variable assignment.
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eval($code);
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}
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// Compile it, with the "no echo statements" option on.
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$_str = "";
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$code = $this->compile($this->uncompiled_code[$handle], true, '_str');
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// evaluate the variable assignment.
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eval($code);
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// assign the value of the generated variable to the given varname.
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$this->assign_var($varname, $_str);
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@ -248,28 +293,37 @@ class Template {
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*/
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function loadfile($handle)
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{
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// If the file for this handle is already loaded and compiled, do nothing.
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if (isset($this->uncompiled_code[$handle]) && !empty($this->uncompiled_code[$handle]))
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switch ( $board_config['template_cache'] )
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{
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return true;
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case 1:
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break;
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case 2:
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break;
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default:
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// If the file for this handle is already loaded and compiled, do nothing.
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if ( !empty($this->uncompiled_code[$handle]) )
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{
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return true;
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}
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// If we don't have a file assigned to this handle, die.
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if (!isset($this->files[$handle]))
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{
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die("Template->loadfile(): No file specified for handle $handle");
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}
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$filename = $this->files[$handle];
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$str = implode('', @file($filename));
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if (empty($str))
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{
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die("Template->loadfile(): File $filename for handle $handle is empty");
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}
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$this->uncompiled_code[$handle] = $str;
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break;
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}
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// If we don't have a file assigned to this handle, die.
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if (!isset($this->files[$handle]))
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{
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die("Template->loadfile(): No file specified for handle $handle");
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}
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$filename = $this->files[$handle];
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$str = implode("", @file($filename));
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if (empty($str))
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{
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die("Template->loadfile(): File $filename for handle $handle is empty");
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}
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$this->uncompiled_code[$handle] = $str;
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return true;
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}
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@ -311,7 +365,7 @@ class Template {
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$block_nesting_level = 0;
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$block_names = array();
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$block_names[0] = ".";
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$block_names[0] = '.';
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// Second: prepend echo ', append ' . "\n"; to each line.
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$line_count = sizeof($code_lines);
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@ -412,8 +466,7 @@ class Template {
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// Bring it back into a single string of lines of code.
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$code = implode("\n", $code_lines);
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return $code ;
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return $code;
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}
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@ -454,7 +507,7 @@ class Template {
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function generate_block_data_ref($blockname, $include_last_iterator)
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{
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// Get an array of the blocks involved.
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$blocks = explode(".", $blockname);
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$blocks = explode('.', $blockname);
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$blockcount = sizeof($blocks) - 1;
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$varref = '$this->_tpldata';
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// Build up the string with everything but the last child.
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@ -475,4 +528,4 @@ class Template {
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}
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?>
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?>
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