functions_template.php

Revision 211, 21.1 kB (checked in by Nafania, 3 years ago)
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Line
1	<?php
2	/**</span>
3	<span class="code-comment">*
4	* @package phpBB3
5	* @version $Id: functions_template.php,v 1.41 2007/04/20 09:09:20 acydburn Exp $
6	* @copyright (c) 2005 phpBB Group, sections (c) 2001 ispi of Lincoln Inc
7	* @license http://opensource.org/licenses/gpl-license.php GNU Public License
8	*
9	*/
10
11	/**
12	*/
13
14	/**
15	* Extension of template class - Functions needed for compiling templates only.
16	*
17	* psoTFX, phpBB Development Team - Completion of file caching, decompilation
18	* routines and implementation of conditionals/keywords and associated changes
19	*
20	* The interface was inspired by PHPLib templates, and the template file (formats are
21	* quite similar)
22	*
23	* The keyword/conditional implementation is currently based on sections of code from
24	* the Smarty templating engine (c) 2001 ispi of Lincoln, Inc. which is released
25	* (on its own and in whole) under the LGPL. Section 3 of the LGPL states that any code
26	* derived from an LGPL application may be relicenced under the GPL, this applies
27	* to this source
28	*
29	* DEFINE directive inspired by a request by Cyberalien
30	*
31	* @package phpBB3
32	*/
33	class template_compile
34	{</span>
35	<span class="code-keyword"> var $template;
36
37	// Various storage arrays
38	var $block_names = array();
39	var $block_else_level = array();
40
41	/**
42	* constuctor
43	*/
44	function template_compile(&$template)
45	{
46	$this->template = &$template;
47	}
48
49	/**
50	* Load template source from file
51	* @access private
52	*/
53	function _tpl_load_file($handle, $store_in_db = false)
54	{
55	// Try and open template for read
56	if (!file_exists($this->template->files[$handle]))
57	{
58	trigger_error("template->_tpl_load_file(): File {$this->template->files[$handle]} does not exist or is empty", E_USER_ERROR);
59	}
60
61	$this->template->compiled_code[$handle] = $this->compile(trim(@file_get_contents($this->template->files[$handle])));
62
63	// Actually compile the code now.
64	$this->compile_write($handle, $this->template->compiled_code[$handle]);
65	}
66
67	/**
68	* Remove any PHP tags that do not belong, these regular expressions are derived from
69	* the ones that exist in zend_language_scanner.l
70	* @access private
71	*/
72	function remove_php_tags(&$code)
73	{
74	// This matches the information gathered from the internal PHP lexer
75	$match = array(
76	'#<([\?%])=?.*?\1>#s',
77	'#<script\s+language\s=\s(["\']?)php\1\s>.?</script\s*>#s',
78	'#<\?php(?:\r\n?\|[ \n\t]).*?\?>#s'
79	);
80
81	$code = preg_replace($match, '', $code);
82	}
83
84	/**
85	* The all seeing all doing compile method. Parts are inspired by or directly from Smarty
86	* @access private
87	*/
88	function compile($code, $no_echo = false, $echo_var = '')
89	{
90	global $config;
91
92	if ($echo_var)
93	{
94	global $$echo_var;
95	}
96
97	// Remove any "loose" php ... we want to give admins the ability
98	// to switch on/off PHP for a given template. Allowing unchecked
99	// php is a no-no. There is a potential issue here in that non-php
100	// content may be removed ... however designers should use entities
101	// if they wish to display < and >
102	$this->remove_php_tags($code);
103
104	// Pull out all block/statement level elements and separate plain text
105	preg_match_all('#<!-- PHP -->(.*?)<!-- ENDPHP -->#s', $code, $matches);
106	$php_blocks = $matches[1];
107	$code = preg_replace('#<!-- PHP -->.*?<!-- ENDPHP -->#s', '<!-- PHP -->', $code);
108
109	preg_match_all('#<!-- INCLUDE ([a-zA-Z0-9\_\-\+\./]+) -->#', $code, $matches);
110	$include_blocks = $matches[1];
111	$code = preg_replace('#<!-- INCLUDE [a-zA-Z0-9\_\-\+\./]+ -->#', '<!-- INCLUDE -->', $code);
112
113	preg_match_all('#<!-- INCLUDEPHP ([a-zA-Z0-9\_\-\+\./]+) -->#', $code, $matches);
114	$includephp_blocks = $matches[1];
115	$code = preg_replace('#<!-- INCLUDEPHP [a-zA-Z0-9\_\-\+\./]+ -->#', '<!-- INCLUDEPHP -->', $code);
116
117	preg_match_all('#<!-- ([^<].?) (.?)? ?-->#', $code, $blocks, PREG_SET_ORDER);
118
119	$text_blocks = preg_split('#<!-- [^<].? (?:.?)? ?-->#', $code);
120
121	for ($i = 0, $j = sizeof($text_blocks); $i < $j; $i++)
122	{
123	$this->compile_var_tags($text_blocks[$i]);
124	}
125	$compile_blocks = array();
126
127	for ($curr_tb = 0, $tb_size = sizeof($blocks); $curr_tb < $tb_size; $curr_tb++)
128	{
129	$block_val = &$blocks[$curr_tb];
130
131	switch ($block_val[1])
132	{
133	case 'BEGIN':
134	$this->block_else_level[] = false;
135	$compile_blocks[] = '<?php ' . $this->compile_tag_block($block_val[2]) . ' ?>';
136	break;
137
138	case 'BEGINELSE':
139	$this->block_else_level[sizeof($this->block_else_level) - 1] = true;
140	$compile_blocks[] = '<?php }} else { ?>';
141	break;
142
143	case 'END':
144	array_pop($this->block_names);
145	$compile_blocks[] = '<?php ' . ((array_pop($this->block_else_level)) ? '}' : '}}') . ' ?>';
146	break;
147
148	case 'IF':
149	$compile_blocks[] = '<?php ' . $this->compile_tag_if($block_val[2], false) . ' ?>';
150	break;
151
152	case 'ELSE':
153	$compile_blocks[] = '<?php } else { ?>';
154	break;
155
156	case 'ELSEIF':
157	$compile_blocks[] = '<?php ' . $this->compile_tag_if($block_val[2], true) . ' ?>';
158	break;
159
160	case 'ENDIF':
161	$compile_blocks[] = '<?php } ?>';
162	break;
163
164	case 'DEFINE':
165	$compile_blocks[] = '<?php ' . $this->compile_tag_define($block_val[2], true) . ' ?>';
166	break;
167
168	case 'UNDEFINE':
169	$compile_blocks[] = '<?php ' . $this->compile_tag_define($block_val[2], false) . ' ?>';
170	break;
171
172	case 'INCLUDE':
173	$temp = array_shift($include_blocks);
174	$compile_blocks[] = '<?php ' . $this->compile_tag_include($temp) . ' ?>';
175	$this->template->_tpl_include($temp, false);
176	break;
177
178	case 'INCLUDEPHP':
179	$compile_blocks[] = ($config['tpl_allow_php']) ? '<?php ' . $this->compile_tag_include_php(array_shift($includephp_blocks)) . ' ?>' : '';
180	break;
181
182	case 'PHP':
183	$compile_blocks[] = ($config['tpl_allow_php']) ? '<?php ' . array_shift($php_blocks) . ' ?>' : '';
184	break;
185
186	default:
187	$this->compile_var_tags($block_val[0]);
188	$trim_check = trim($block_val[0]);
189	$compile_blocks[] = (!$no_echo) ? ((!empty($trim_check)) ? $block_val[0] : '') : ((!empty($trim_check)) ? $block_val[0] : '');
190	break;
191	}
192	}
193
194	$template_php = '';
195	for ($i = 0, $size = sizeof($text_blocks); $i < $size; $i++)
196	{
197	$trim_check_text = trim($text_blocks[$i]);
198	$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] : '');
199	}
200
201	// There will be a number of occasions where we switch into and out of
202	// PHP mode instantaneously. Rather than "burden" the parser with this
203	// we'll strip out such occurences, minimising such switching
204	$template_php = str_replace(' ?><?php ', ' ', $template_php);
205
206	return (!$no_echo) ? $template_php : "\$$echo_var .= '" . $template_php . "'";
207	}
208
209	/**
210	* Compile variables
211	* @access private
212	*/
213	function compile_var_tags(&$text_blocks)
214	{
215	// change template varrefs into PHP varrefs
216	$varrefs = array();
217
218	// This one will handle varrefs WITH namespaces
219	preg_match_all('#\{((?:[a-z0-9\-_]+\.)+)(\$)?([A-Z0-9\-_]+)\}#', $text_blocks, $varrefs, PREG_SET_ORDER);
220
221	foreach ($varrefs as $var_val)
222	{
223	$namespace = $var_val[1];
224	$varname = $var_val[3];
225	$new = $this->generate_block_varref($namespace, $varname, true, $var_val[2]);
226
227	$text_blocks = str_replace($var_val[0], $new, $text_blocks);
228	}
229
230	// This will handle the remaining root-level varrefs
231	// transform vars prefixed by L_ into their language variable pendant if nothing is set within the tpldata array
232	if (strpos($text_blocks, '{L_') !== false)
233	{
234	$text_blocks = preg_replace('#\{L_([a-z0-9\-_]*)\}#is', "<?php echo ((isset(\$this->_rootref['L_\\1'])) ? \$this->_rootref['L_\\1'] : (isset(\$lang[strtolower('\\1')]) ? \$lang[strtolower('\\1')] : '{ ' . ucfirst(strtolower(str_replace('_', ' ', '\\1'))) . ' }')); ?>", $text_blocks);
235	}
236
237	// Handle addslashed language variables prefixed with LA_
238	// If a template variable already exist, it will be used in favor of it...
239	if (strpos($text_blocks, '{LA_') !== false)
240	{
241	$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(\$user->lang['\\1'])) ? addslashes(\$user->lang['\\1']) : '{ \\1 }'))); ?>", $text_blocks);
242	}
243
244	// Handle remaining varrefs
245	$text_blocks = preg_replace('#\{([a-z0-9\-_]*)\}#is', "<?php echo (isset(\$this->_rootref['\\1'])) ? \$this->_rootref['\\1'] : ''; ?>", $text_blocks);
246	$text_blocks = preg_replace('#\{\$([a-z0-9\-_]*)\}#is', "<?php echo (isset(\$this->_tpldata['DEFINE']['.']['\\1'])) ? \$this->_tpldata['DEFINE']['.']['\\1'] : ''; ?>", $text_blocks);
247
248	return;
249	}
250
251	/**
252	* Compile blocks
253	* @access private
254	*/
255	function compile_tag_block($tag_args)
256	{
257	$no_nesting = false;
258
259	// Is the designer wanting to call another loop in a loop?
260	if (strpos($tag_args, '!') === 0)
261	{
262	// Count the number if ! occurrences (not allowed in vars)
263	$no_nesting = substr_count($tag_args, '!');
264	$tag_args = substr($tag_args, $no_nesting);
265	}
266
267	// Allow for control of looping (indexes start from zero):
268	// foo(2) : Will start the loop on the 3rd entry
269	// foo(-2) : Will start the loop two entries from the end
270	// foo(3,4) : Will start the loop on the fourth entry and end it on the fifth
271	// foo(3,-4) : Will start the loop on the fourth entry and end it four from last
272	if (preg_match('#^([^()]*)$([\-\d]+)(?:,([\-\d]+))?$$#', $tag_args, $match))
273	{
274	$tag_args = $match[1];
275
276	if ($match[2] < 0)
277	{
278	$loop_start = '($_' . $tag_args . '_count ' . $match[2] . ' < 0 ? 0 : $_' . $tag_args . '_count ' . $match[2] . ')';
279	}
280	else
281	{
282	$loop_start = '($_' . $tag_args . '_count < ' . $match[2] . ' ? $_' . $tag_args . '_count : ' . $match[2] . ')';
283	}
284
285	if (strlen($match[3]) < 1 \|\| $match[3] == -1)
286	{
287	$loop_end = '$_' . $tag_args . '_count';
288	}
289	else if ($match[3] >= 0)
290	{
291	$loop_end = '(' . ($match[3] + 1) . ' > $_' . $tag_args . '_count ? $_' . $tag_args . '_count : ' . ($match[3] + 1) . ')';
292	}
293	else //if ($match[3] < -1)
294	{
295	$loop_end = '$_' . $tag_args . '_count' . ($match[3] + 1);
296	}
297	}
298	else
299	{
300	$loop_start = 0;
301	$loop_end = '$_' . $tag_args . '_count';
302	}
303
304	$tag_template_php = '';
305	array_push($this->block_names, $tag_args);
306
307	if ($no_nesting !== false)
308	{
309	// We need to implode $no_nesting times from the end...
310	$block = array_slice($this->block_names, -$no_nesting);
311	}
312	else
313	{
314	$block = $this->block_names;
315	}
316
317	if (sizeof($block) < 2)
318	{
319	// Block is not nested.
320	$tag_template_php = '$_' . $tag_args . "_count = (isset(\$this->_tpldata['$tag_args'])) ? sizeof(\$this->_tpldata['$tag_args']) : 0;";
321	$varref = "\$this->_tpldata['$tag_args']";
322	}
323	else
324	{
325	// This block is nested.
326	// Generate a namespace string for this block.
327	$namespace = implode('.', $block);
328
329	// Get a reference to the data array for this block that depends on the
330	// current indices of all parent blocks.
331	$varref = $this->generate_block_data_ref($namespace, false);
332
333	// Create the for loop code to iterate over this block.
334	$tag_template_php = '$_' . $tag_args . '_count = (isset(' . $varref . ')) ? sizeof(' . $varref . ') : 0;';
335	}
336
337	$tag_template_php .= 'if ($_' . $tag_args . '_count) {';
338
339	/**
340	* The following uses foreach for iteration instead of a for loop, foreach is faster but requires PHP to make a copy of the contents of the array which uses more memory
341	* <code>
342	* if (!$offset)
343	* {
344	* $tag_template_php .= 'foreach (' . $varref . ' as $_' . $tag_args . '_i => $_' . $tag_args . '_val){';
345	* }
346	* </code>
347	*/
348
349	$tag_template_php .= 'for ($_' . $tag_args . '_i = ' . $loop_start . '; $_' . $tag_args . '_i < ' . $loop_end . '; ++$_' . $tag_args . '_i){';
350	$tag_template_php .= '$_'. $tag_args . '_val = &' . $varref . '[$_'. $tag_args. '_i];';
351
352	return $tag_template_php;
353	}
354
355	/**
356	* Compile IF tags - much of this is from Smarty with
357	* some adaptions for our block level methods
358	* @access private
359	*/
360	function compile_tag_if($tag_args, $elseif)
361	{
362	// Tokenize args for 'if' tag.
363	preg_match_all('/(?:
364	"[^"\\\\](?:\\\\.[^"\\\\])*" \|
365	\'[^\'\\\\](?:\\\\.[^\'\\\\])*\' \|
366	[(),] \|
367	[^\s(),]+)/x', $tag_args, $match);
368
369	$tokens = $match[0];
370	$is_arg_stack = array();
371
372	for ($i = 0, $size = sizeof($tokens); $i < $size; $i++)
373	{
374	$token = &$tokens[$i];
375
376	switch ($token)
377	{
378	case '!==':
379	case '===':
380	case '<<':
381	case '>>':
382	case '\|':
383	case '^':
384	case '&':
385	case '~':
386	case ')':
387	case ',':
388	case '+':
389	case '-':
390	case '*':
391	case '/':
392	case '@':
393	break;
394
395	case '==':
396	case 'eq':
397	$token = '==';
398	break;
399
400	case '!=':
401	case '<>':
402	case 'ne':
403	case 'neq':
404	$token = '!=';
405	break;
406
407	case '<':
408	case 'lt':
409	$token = '<';
410	break;
411
412	case '<=':
413	case 'le':
414	case 'lte':
415	$token = '<=';
416	break;
417
418	case '>':
419	case 'gt':
420	$token = '>';
421	break;
422
423	case '>=':
424	case 'ge':
425	case 'gte':
426	$token = '>=';
427	break;
428
429	case '&&':
430	case 'and':
431	$token = '&&';
432	break;
433
434	case '\|\|':
435	case 'or':
436	$token = '\|\|';
437	break;
438
439	case '!':
440	case 'not':
441	$token = '!';
442	break;
443
444	case '%':
445	case 'mod':
446	$token = '%';
447	break;
448
449	case '(':
450	array_push($is_arg_stack, $i);
451	break;
452
453	case 'is':
454	$is_arg_start = ($tokens[$i-1] == ')') ? array_pop($is_arg_stack) : $i-1;
455	$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start));
456
457	$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1));
458
459	array_splice($tokens, $is_arg_start, sizeof($tokens), $new_tokens);
460
461	$i = $is_arg_start;
462
463	// no break
464
465	default:
466	if (preg_match('#^((?:[a-z0-9\-_]+\.)+)?(\$)?(?=[A-Z])([A-Z0-9\-_]+)#s', $token, $varrefs))
467	{
468	$token = (!empty($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[\'' . $varrefs[3] . '\']');
469	}
470	else if (preg_match('#^\.((?:[a-z0-9\-_]+\.?)+)$#s', $token, $varrefs))
471	{
472	// Allow checking if loops are set with .loopname
473	// It is also possible to check the loop count by doing <!-- IF .loopname > 1 --> for example
474	$blocks = explode('.', $varrefs[1]);
475
476	// If the block is nested, we have a reference that we can grab.
477	// If the block is not nested, we just go and grab the block from _tpldata
478	if (sizeof($blocks) > 1)
479	{
480	$block = array_pop($blocks);
481	$namespace = implode('.', $blocks);
482	$varref = $this->generate_block_data_ref($namespace, true);
483
484	// Add the block reference for the last child.
485	$varref .= "['" . $block . "']";
486	}
487	else
488	{
489	$varref = '$this->_tpldata';
490
491	// Add the block reference for the last child.
492	$varref .= "['" . $blocks[0] . "']";
493	}
494	$token = "sizeof($varref)";
495	}
496
497	break;
498	}
499	}
500
501	return (($elseif) ? '} else if (' : 'if (') . (implode(' ', $tokens) . ') { ');
502	}
503
504	/**
505	* Compile DEFINE tags
506	* @access private
507	*/
508	function compile_tag_define($tag_args, $op)
509	{
510	preg_match('#^((?:[a-z0-9\-_]+\.)+)?\$(?=[A-Z])([A-Z0-9_\-])(?: = (\'?)([^\'])(\'?))?$#', $tag_args, $match);
511
512	if (empty($match[2]) \|\| (!isset($match[4]) && $op))
513	{
514	return '';
515	}
516
517	if (!$op)
518	{
519	return 'unset(' . (($match[1]) ? $this->generate_block_data_ref(substr($match[1], 0, -1), true, true) . '[\'' . $match[2] . '\']' : '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $match[2] . '\']') . ');';
520	}
521
522	// Are we a string?
523	if ($match[3] && $match[5])
524	{
525	$match[4] = str_replace(array('\\\'', '\\\\', '\''), array('\'', '\\', '\\\''), $match[4]);
526
527	// Compile reference, we allow template variables in defines...
528	$match[4] = $this->compile($match[4]);
529
530	// Now replace the php code
531	$match[4] = "'" . str_replace(array('<?php echo ', '; ?>'), array("' . ", " . '"), $match[4]) . "'";
532	}
533	else
534	{
535	preg_match('#true\|false\|\.#i', $match[4], $type);
536
537	switch (strtolower($type[0]))
538	{
539	case 'true':
540	case 'false':
541	$match[4] = strtoupper($match[4]);
542	break;
543
544	case '.':
545	$match[4] = doubleval($match[4]);
546	break;
547
548	default:
549	$match[4] = intval($match[4]);
550	break;
551	}
552	}
553
554	return (($match[1]) ? $this->generate_block_data_ref(substr($match[1], 0, -1), true, true) . '[\'' . $match[2] . '\']' : '$this->_tpldata[\'DEFINE\'][\'.\'][\'' . $match[2] . '\']') . ' = ' . $match[4] . ';';
555	}
556
557	/**
558	* Compile INCLUDE tag
559	* @access private
560	*/
561	function compile_tag_include($tag_args)
562	{
563	return "\$this->_tpl_include('$tag_args');";
564	}
565
566	/**
567	* Compile INCLUDE_PHP tag
568	* @access private
569	*/
570	function compile_tag_include_php($tag_args)
571	{
572	return "include('" . $tag_args . "');";
573	}
574
575	/**
576	* parse expression
577	* This is from Smarty
578	* @access private
579	*/
580	function _parse_is_expr($is_arg, $tokens)
581	{
582	$expr_end = 0;
583	$negate_expr = false;
584
585	if (($first_token = array_shift($tokens)) == 'not')
586	{
587	$negate_expr = true;
588	$expr_type = array_shift($tokens);
589	}
590	else
591	{
592	$expr_type = $first_token;
593	}
594
595	switch ($expr_type)
596	{
597	case 'even':
598	if (@$tokens[$expr_end] == 'by')
599	{
600	$expr_end++;
601	$expr_arg = $tokens[$expr_end++];
602	$expr = "!(($is_arg / $expr_arg) % $expr_arg)";
603	}
604	else
605	{
606	$expr = "!($is_arg & 1)";
607	}
608	break;
609
610	case 'odd':
611	if (@$tokens[$expr_end] == 'by')
612	{
613	$expr_end++;
614	$expr_arg = $tokens[$expr_end++];
615	$expr = "(($is_arg / $expr_arg) % $expr_arg)";
616	}
617	else
618	{
619	$expr = "($is_arg & 1)";
620	}
621	break;
622
623	case 'div':
624	if (@$tokens[$expr_end] == 'by')
625	{
626	$expr_end++;
627	$expr_arg = $tokens[$expr_end++];
628	$expr = "!($is_arg % $expr_arg)";
629	}
630	break;
631	}
632
633	if ($negate_expr)
634	{
635	$expr = "!($expr)";
636	}
637
638	array_splice($tokens, 0, $expr_end, $expr);
639
640	return $tokens;
641	}
642
643	/**
644	* Generates a reference to the given variable inside the given (possibly nested)
645	* block namespace. This is a string of the form:
646	* ' . $this->_tpldata['parent'][$_parent_i]['$child1'][$_child1_i]['$child2'][$_child2_i]...['varname'] . '
647	* It's ready to be inserted into an "echo" line in one of the templates.
648	* NOTE: expects a trailing "." on the namespace.
649	* @access private
650	*/
651	function generate_block_varref($namespace, $varname, $echo = true, $defop = false)
652	{
653	// Strip the trailing period.
654	$namespace = substr($namespace, 0, -1);
655
656	// Get a reference to the data block for this namespace.
657	$varref = $this->generate_block_data_ref($namespace, true, $defop);
658	// Prepend the necessary code to stick this in an echo line.
659
660	// Append the variable reference.
661	$varref .= "['$varname']";
662	$varref = ($echo) ? "<?php echo $varref; ?>" : ((isset($varref)) ? $varref : '');
663
664	return $varref;
665	}
666
667	/**
668	* Generates a reference to the array of data values for the given
669	* (possibly nested) block namespace. This is a string of the form:
670	* $this->_tpldata['parent'][$_parent_i]['$child1'][$_child1_i]['$child2'][$_child2_i]...['$childN']
671	*
672	* If $include_last_iterator is true, then [$_childN_i] will be appended to the form shown above.
673	* NOTE: does not expect a trailing "." on the blockname.
674	* @access private
675	*/
676	function generate_block_data_ref($blockname, $include_last_iterator, $defop = false)
677	{
678	// Get an array of the blocks involved.
679	$blocks = explode('.', $blockname);
680	$blockcount = sizeof($blocks) - 1;
681
682	// DEFINE is not an element of any referenced variable, we must use _tpldata to access it
683	if ($defop)
684	{
685	$varref = '$this->_tpldata[\'DEFINE\']';
686	// Build up the string with everything but the last child.
687	for ($i = 0; $i < $blockcount; $i++)
688	{
689	$varref .= "['" . $blocks[$i] . "'][\$_" . $blocks[$i] . '_i]';
690	}
691	// Add the block reference for the last child.
692	$varref .= "['" . $blocks[$blockcount] . "']";
693	// Add the iterator for the last child if requried.
694	if ($include_last_iterator)
695	{
696	$varref .= '[$_' . $blocks[$blockcount] . '_i]';
697	}
698	return $varref;
699	}
700	else if ($include_last_iterator)
701	{
702	return '$_'. $blocks[$blockcount] . '_val';
703	}
704	else
705	{
706	return '$_'. $blocks[$blockcount - 1] . '_val[\''. $blocks[$blockcount]. '\']';
707	}
708	}
709
710	/**
711	* Write compiled file to cache directory
712	* @access private
713	*/
714	function compile_write($handle, $data)
715	{
716
717	$filename = $this->template->cachepath . str_replace('/', '.', $this->template->filename[$handle]) . '.php';
718
719	if ($fp = @fopen($filename, 'wb'))
720	{
721	@flock($fp, LOCK_EX);
722	@fwrite ($fp, $data);
723	@flock($fp, LOCK_UN);
724	@fclose($fp);
725
726	@chmod($filename, 0666);
727	}
728
729	return;
730	}
731	}
732
733	?>

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root/include/functions_template.php

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