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<?php
2
 
3
/**
4
 * Project:     Smarty: the PHP compiling template engine
5
 * File:        Smarty.class.php
6
 *
7
 * This library is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
11
 *
12
 * This library is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with this library; if not, write to the Free Software
19
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20
 *
21
 * For questions, help, comments, discussion, etc., please join the
22
 * Smarty mailing list. Send a blank e-mail to
23
 * smarty-general-subscribe@lists.php.net
24
 *
25
 * @link http://smarty.php.net/
26
 * @copyright 2001-2005 New Digital Group, Inc.
27
 * @author Monte Ohrt <monte at ohrt dot com>
28
 * @author Andrei Zmievski <andrei@php.net>
29
 * @package Smarty
30
 * @version 2.6.16
31
 */
32
 
33
/* $Id: Smarty.class.php,v 1.526 2006/11/30 17:01:28 mohrt Exp $ */
34
 
35
/**
36
 * DIR_SEP isn't used anymore, but third party apps might
37
 */
38
if(!defined('DIR_SEP')) {
39
    define('DIR_SEP', DIRECTORY_SEPARATOR);
40
}
41
 
42
/**
43
 * set SMARTY_DIR to absolute path to Smarty library files.
44
 * if not defined, include_path will be used. Sets SMARTY_DIR only if user
45
 * application has not already defined it.
46
 */
47
 
48
if (!defined('SMARTY_DIR')) {
49
    define('SMARTY_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR);
50
}
51
 
52
if (!defined('SMARTY_CORE_DIR')) {
53
    define('SMARTY_CORE_DIR', SMARTY_DIR . 'internals' . DIRECTORY_SEPARATOR);
54
}
55
 
56
define('SMARTY_PHP_PASSTHRU',   0);
57
define('SMARTY_PHP_QUOTE',      1);
58
define('SMARTY_PHP_REMOVE',     2);
59
define('SMARTY_PHP_ALLOW',      3);
60
 
61
/**
62
 * @package Smarty
63
 */
64
class Smarty
65
{
66
    /**#@+
67
     * Smarty Configuration Section
68
     */
69
 
70
    /**
71
     * The name of the directory where templates are located.
72
     *
73
     * @var string
74
     */
75
    var $template_dir    =  'templates';
76
 
77
    /**
78
     * The directory where compiled templates are located.
79
     *
80
     * @var string
81
     */
82
    var $compile_dir     =  'templates_c';
83
 
84
    /**
85
     * The directory where config files are located.
86
     *
87
     * @var string
88
     */
89
    var $config_dir      =  'configs';
90
 
91
    /**
92
     * An array of directories searched for plugins.
93
     *
94
     * @var array
95
     */
96
    var $plugins_dir     =  array('plugins');
97
 
98
    /**
99
     * If debugging is enabled, a debug console window will display
100
     * when the page loads (make sure your browser allows unrequested
101
     * popup windows)
102
     *
103
     * @var boolean
104
     */
105
    var $debugging       =  false;
106
 
107
    /**
108
     * When set, smarty does uses this value as error_reporting-level.
109
     *
110
     * @var boolean
111
     */
112
    var $error_reporting  =  null;
113
 
114
    /**
115
     * This is the path to the debug console template. If not set,
116
     * the default one will be used.
117
     *
118
     * @var string
119
     */
120
    var $debug_tpl       =  '';
121
 
122
    /**
123
     * This determines if debugging is enable-able from the browser.
124
     * <ul>
125
     *  <li>NONE => no debugging control allowed</li>
126
     *  <li>URL => enable debugging when SMARTY_DEBUG is found in the URL.</li>
127
     * </ul>
128
     * @link http://www.foo.dom/index.php?SMARTY_DEBUG
129
     * @var string
130
     */
131
    var $debugging_ctrl  =  'NONE';
132
 
133
    /**
134
     * This tells Smarty whether to check for recompiling or not. Recompiling
135
     * does not need to happen unless a template or config file is changed.
136
     * Typically you enable this during development, and disable for
137
     * production.
138
     *
139
     * @var boolean
140
     */
141
    var $compile_check   =  true;
142
 
143
    /**
144
     * This forces templates to compile every time. Useful for development
145
     * or debugging.
146
     *
147
     * @var boolean
148
     */
149
    var $force_compile   =  false;
150
 
151
    /**
152
     * This enables template caching.
153
     * <ul>
154
     *  <li>0 = no caching</li>
155
     *  <li>1 = use class cache_lifetime value</li>
156
     *  <li>2 = use cache_lifetime in cache file</li>
157
     * </ul>
158
     * @var integer
159
     */
160
    var $caching         =  0;
161
 
162
    /**
163
     * The name of the directory for cache files.
164
     *
165
     * @var string
166
     */
167
    var $cache_dir       =  'cache';
168
 
169
    /**
170
     * This is the number of seconds cached content will persist.
171
     * <ul>
172
     *  <li>0 = always regenerate cache</li>
173
     *  <li>-1 = never expires</li>
174
     * </ul>
175
     *
176
     * @var integer
177
     */
178
    var $cache_lifetime  =  3600;
179
 
180
    /**
181
     * Only used when $caching is enabled. If true, then If-Modified-Since headers
182
     * are respected with cached content, and appropriate HTTP headers are sent.
183
     * This way repeated hits to a cached page do not send the entire page to the
184
     * client every time.
185
     *
186
     * @var boolean
187
     */
188
    var $cache_modified_check = false;
189
 
190
    /**
191
     * This determines how Smarty handles "<?php ... ?>" tags in templates.
192
     * possible values:
193
     * <ul>
194
     *  <li>SMARTY_PHP_PASSTHRU -> print tags as plain text</li>
195
     *  <li>SMARTY_PHP_QUOTE    -> escape tags as entities</li>
196
     *  <li>SMARTY_PHP_REMOVE   -> remove php tags</li>
197
     *  <li>SMARTY_PHP_ALLOW    -> execute php tags</li>
198
     * </ul>
199
     *
200
     * @var integer
201
     */
202
    var $php_handling    =  SMARTY_PHP_PASSTHRU;
203
 
204
    /**
205
     * This enables template security. When enabled, many things are restricted
206
     * in the templates that normally would go unchecked. This is useful when
207
     * untrusted parties are editing templates and you want a reasonable level
208
     * of security. (no direct execution of PHP in templates for example)
209
     *
210
     * @var boolean
211
     */
212
    var $security       =   false;
213
 
214
    /**
215
     * This is the list of template directories that are considered secure. This
216
     * is used only if {@link $security} is enabled. One directory per array
217
     * element.  {@link $template_dir} is in this list implicitly.
218
     *
219
     * @var array
220
     */
221
    var $secure_dir     =   array();
222
 
223
    /**
224
     * These are the security settings for Smarty. They are used only when
225
     * {@link $security} is enabled.
226
     *
227
     * @var array
228
     */
229
    var $security_settings  = array(
230
                                    'PHP_HANDLING'    => false,
231
                                    'IF_FUNCS'        => array('array', 'list',
232
                                                               'isset', 'empty',
233
                                                               'count', 'sizeof',
234
                                                               'in_array', 'is_array',
235
                                                               'true', 'false', 'null'),
236
                                    'INCLUDE_ANY'     => false,
237
                                    'PHP_TAGS'        => false,
238
                                    'MODIFIER_FUNCS'  => array('count'),
239
                                    'ALLOW_CONSTANTS'  => false
240
                                   );
241
 
242
    /**
243
     * This is an array of directories where trusted php scripts reside.
244
     * {@link $security} is disabled during their inclusion/execution.
245
     *
246
     * @var array
247
     */
248
    var $trusted_dir        = array();
249
 
250
    /**
251
     * The left delimiter used for the template tags.
252
     *
253
     * @var string
254
     */
255
    var $left_delimiter  =  '{';
256
 
257
    /**
258
     * The right delimiter used for the template tags.
259
     *
260
     * @var string
261
     */
262
    var $right_delimiter =  '}';
263
 
264
    /**
265
     * The order in which request variables are registered, similar to
266
     * variables_order in php.ini E = Environment, G = GET, P = POST,
267
     * C = Cookies, S = Server
268
     *
269
     * @var string
270
     */
271
    var $request_vars_order    = 'EGPCS';
272
 
273
    /**
274
     * Indicates wether $HTTP_*_VARS[] (request_use_auto_globals=false)
275
     * are uses as request-vars or $_*[]-vars. note: if
276
     * request_use_auto_globals is true, then $request_vars_order has
277
     * no effect, but the php-ini-value "gpc_order"
278
     *
279
     * @var boolean
280
     */
281
    var $request_use_auto_globals      = true;
282
 
283
    /**
284
     * Set this if you want different sets of compiled files for the same
285
     * templates. This is useful for things like different languages.
286
     * Instead of creating separate sets of templates per language, you
287
     * set different compile_ids like 'en' and 'de'.
288
     *
289
     * @var string
290
     */
291
    var $compile_id            = null;
292
 
293
    /**
294
     * This tells Smarty whether or not to use sub dirs in the cache/ and
295
     * templates_c/ directories. sub directories better organized, but
296
     * may not work well with PHP safe mode enabled.
297
     *
298
     * @var boolean
299
     *
300
     */
301
    var $use_sub_dirs          = false;
302
 
303
    /**
304
     * This is a list of the modifiers to apply to all template variables.
305
     * Put each modifier in a separate array element in the order you want
306
     * them applied. example: <code>array('escape:"htmlall"');</code>
307
     *
308
     * @var array
309
     */
310
    var $default_modifiers        = array();
311
 
312
    /**
313
     * This is the resource type to be used when not specified
314
     * at the beginning of the resource path. examples:
315
     * $smarty->display('file:index.tpl');
316
     * $smarty->display('db:index.tpl');
317
     * $smarty->display('index.tpl'); // will use default resource type
318
     * {include file="file:index.tpl"}
319
     * {include file="db:index.tpl"}
320
     * {include file="index.tpl"} {* will use default resource type *}
321
     *
322
     * @var array
323
     */
324
    var $default_resource_type    = 'file';
325
 
326
    /**
327
     * The function used for cache file handling. If not set, built-in caching is used.
328
     *
329
     * @var null|string function name
330
     */
331
    var $cache_handler_func   = null;
332
 
333
    /**
334
     * This indicates which filters are automatically loaded into Smarty.
335
     *
336
     * @var array array of filter names
337
     */
338
    var $autoload_filters = array();
339
 
340
    /**#@+
341
     * @var boolean
342
     */
343
    /**
344
     * This tells if config file vars of the same name overwrite each other or not.
345
     * if disabled, same name variables are accumulated in an array.
346
     */
347
    var $config_overwrite = true;
348
 
349
    /**
350
     * This tells whether or not to automatically booleanize config file variables.
351
     * If enabled, then the strings "on", "true", and "yes" are treated as boolean
352
     * true, and "off", "false" and "no" are treated as boolean false.
353
     */
354
    var $config_booleanize = true;
355
 
356
    /**
357
     * This tells whether hidden sections [.foobar] are readable from the
358
     * tempalates or not. Normally you would never allow this since that is
359
     * the point behind hidden sections: the application can access them, but
360
     * the templates cannot.
361
     */
362
    var $config_read_hidden = false;
363
 
364
    /**
365
     * This tells whether or not automatically fix newlines in config files.
366
     * It basically converts \r (mac) or \r\n (dos) to \n
367
     */
368
    var $config_fix_newlines = true;
369
    /**#@-*/
370
 
371
    /**
372
     * If a template cannot be found, this PHP function will be executed.
373
     * Useful for creating templates on-the-fly or other special action.
374
     *
375
     * @var string function name
376
     */
377
    var $default_template_handler_func = '';
378
 
379
    /**
380
     * The file that contains the compiler class. This can a full
381
     * pathname, or relative to the php_include path.
382
     *
383
     * @var string
384
     */
385
    var $compiler_file        =    'Smarty_Compiler.class.php';
386
 
387
    /**
388
     * The class used for compiling templates.
389
     *
390
     * @var string
391
     */
392
    var $compiler_class        =   'Smarty_Compiler';
393
 
394
    /**
395
     * The class used to load config vars.
396
     *
397
     * @var string
398
     */
399
    var $config_class          =   'Config_File';
400
 
401
/**#@+
402
 * END Smarty Configuration Section
403
 * There should be no need to touch anything below this line.
404
 * @access private
405
 */
406
    /**
407
     * where assigned template vars are kept
408
     *
409
     * @var array
410
     */
411
    var $_tpl_vars             = array();
412
 
413
    /**
414
     * stores run-time $smarty.* vars
415
     *
416
     * @var null|array
417
     */
418
    var $_smarty_vars          = null;
419
 
420
    /**
421
     * keeps track of sections
422
     *
423
     * @var array
424
     */
425
    var $_sections             = array();
426
 
427
    /**
428
     * keeps track of foreach blocks
429
     *
430
     * @var array
431
     */
432
    var $_foreach              = array();
433
 
434
    /**
435
     * keeps track of tag hierarchy
436
     *
437
     * @var array
438
     */
439
    var $_tag_stack            = array();
440
 
441
    /**
442
     * configuration object
443
     *
444
     * @var Config_file
445
     */
446
    var $_conf_obj             = null;
447
 
448
    /**
449
     * loaded configuration settings
450
     *
451
     * @var array
452
     */
453
    var $_config               = array(array('vars'  => array(), 'files' => array()));
454
 
455
    /**
456
     * md5 checksum of the string 'Smarty'
457
     *
458
     * @var string
459
     */
460
    var $_smarty_md5           = 'f8d698aea36fcbead2b9d5359ffca76f';
461
 
462
    /**
463
     * Smarty version number
464
     *
465
     * @var string
466
     */
467
    var $_version              = '2.6.16';
468
 
469
    /**
470
     * current template inclusion depth
471
     *
472
     * @var integer
473
     */
474
    var $_inclusion_depth      = 0;
475
 
476
    /**
477
     * for different compiled templates
478
     *
479
     * @var string
480
     */
481
    var $_compile_id           = null;
482
 
483
    /**
484
     * text in URL to enable debug mode
485
     *
486
     * @var string
487
     */
488
    var $_smarty_debug_id      = 'SMARTY_DEBUG';
489
 
490
    /**
491
     * debugging information for debug console
492
     *
493
     * @var array
494
     */
495
    var $_smarty_debug_info    = array();
496
 
497
    /**
498
     * info that makes up a cache file
499
     *
500
     * @var array
501
     */
502
    var $_cache_info           = array();
503
 
504
    /**
505
     * default file permissions
506
     *
507
     * @var integer
508
     */
509
    var $_file_perms           = 0644;
510
 
511
    /**
512
     * default dir permissions
513
     *
514
     * @var integer
515
     */
516
    var $_dir_perms               = 0771;
517
 
518
    /**
519
     * registered objects
520
     *
521
     * @var array
522
     */
523
    var $_reg_objects           = array();
524
 
525
    /**
526
     * table keeping track of plugins
527
     *
528
     * @var array
529
     */
530
    var $_plugins              = array(
531
                                       'modifier'      => array(),
532
                                       'function'      => array(),
533
                                       'block'         => array(),
534
                                       'compiler'      => array(),
535
                                       'prefilter'     => array(),
536
                                       'postfilter'    => array(),
537
                                       'outputfilter'  => array(),
538
                                       'resource'      => array(),
539
                                       'insert'        => array());
540
 
541
 
542
    /**
543
     * cache serials
544
     *
545
     * @var array
546
     */
547
    var $_cache_serials = array();
548
 
549
    /**
550
     * name of optional cache include file
551
     *
552
     * @var string
553
     */
554
    var $_cache_include = null;
555
 
556
    /**
557
     * indicate if the current code is used in a compiled
558
     * include
559
     *
560
     * @var string
561
     */
562
    var $_cache_including = false;
563
 
564
    /**#@-*/
565
    /**
566
     * The class constructor.
567
     */
568
    function Smarty()
569
    {
570
      $this->assign('SCRIPT_NAME', isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME']
571
                    : @$GLOBALS['HTTP_SERVER_VARS']['SCRIPT_NAME']);
572
    }
573
 
574
    /**
575
     * assigns values to template variables
576
     *
577
     * @param array|string $tpl_var the template variable name(s)
578
     * @param mixed $value the value to assign
579
     */
580
    function assign($tpl_var, $value = null)
581
    {
582
        if (is_array($tpl_var)){
583
            foreach ($tpl_var as $key => $val) {
584
                if ($key != '') {
585
                    $this->_tpl_vars[$key] = $val;
586
                }
587
            }
588
        } else {
589
            if ($tpl_var != '')
590
                $this->_tpl_vars[$tpl_var] = $value;
591
        }
592
    }
593
 
594
    /**
595
     * assigns values to template variables by reference
596
     *
597
     * @param string $tpl_var the template variable name
598
     * @param mixed $value the referenced value to assign
599
     */
600
    function assign_by_ref($tpl_var, &$value)
601
    {
602
        if ($tpl_var != '')
603
            $this->_tpl_vars[$tpl_var] = &$value;
604
    }
605
 
606
    /**
607
     * appends values to template variables
608
     *
609
     * @param array|string $tpl_var the template variable name(s)
610
     * @param mixed $value the value to append
611
     */
612
    function append($tpl_var, $value=null, $merge=false)
613
    {
614
        if (is_array($tpl_var)) {
615
            // $tpl_var is an array, ignore $value
616
            foreach ($tpl_var as $_key => $_val) {
617
                if ($_key != '') {
618
                    if(!@is_array($this->_tpl_vars[$_key])) {
619
                        settype($this->_tpl_vars[$_key],'array');
620
                    }
621
                    if($merge && is_array($_val)) {
622
                        foreach($_val as $_mkey => $_mval) {
623
                            $this->_tpl_vars[$_key][$_mkey] = $_mval;
624
                        }
625
                    } else {
626
                        $this->_tpl_vars[$_key][] = $_val;
627
                    }
628
                }
629
            }
630
        } else {
631
            if ($tpl_var != '' && isset($value)) {
632
                if(!@is_array($this->_tpl_vars[$tpl_var])) {
633
                    settype($this->_tpl_vars[$tpl_var],'array');
634
                }
635
                if($merge && is_array($value)) {
636
                    foreach($value as $_mkey => $_mval) {
637
                        $this->_tpl_vars[$tpl_var][$_mkey] = $_mval;
638
                    }
639
                } else {
640
                    $this->_tpl_vars[$tpl_var][] = $value;
641
                }
642
            }
643
        }
644
    }
645
 
646
    /**
647
     * appends values to template variables by reference
648
     *
649
     * @param string $tpl_var the template variable name
650
     * @param mixed $value the referenced value to append
651
     */
652
    function append_by_ref($tpl_var, &$value, $merge=false)
653
    {
654
        if ($tpl_var != '' && isset($value)) {
655
            if(!@is_array($this->_tpl_vars[$tpl_var])) {
656
             settype($this->_tpl_vars[$tpl_var],'array');
657
            }
658
            if ($merge && is_array($value)) {
659
                foreach($value as $_key => $_val) {
660
                    $this->_tpl_vars[$tpl_var][$_key] = &$value[$_key];
661
                }
662
            } else {
663
                $this->_tpl_vars[$tpl_var][] = &$value;
664
            }
665
        }
666
    }
667
 
668
 
669
    /**
670
     * clear the given assigned template variable.
671
     *
672
     * @param string $tpl_var the template variable to clear
673
     */
674
    function clear_assign($tpl_var)
675
    {
676
        if (is_array($tpl_var))
677
            foreach ($tpl_var as $curr_var)
678
                unset($this->_tpl_vars[$curr_var]);
679
        else
680
            unset($this->_tpl_vars[$tpl_var]);
681
    }
682
 
683
 
684
    /**
685
     * Registers custom function to be used in templates
686
     *
687
     * @param string $function the name of the template function
688
     * @param string $function_impl the name of the PHP function to register
689
     */
690
    function register_function($function, $function_impl, $cacheable=true, $cache_attrs=null)
691
    {
692
        $this->_plugins['function'][$function] =
693
            array($function_impl, null, null, false, $cacheable, $cache_attrs);
694
 
695
    }
696
 
697
    /**
698
     * Unregisters custom function
699
     *
700
     * @param string $function name of template function
701
     */
702
    function unregister_function($function)
703
    {
704
        unset($this->_plugins['function'][$function]);
705
    }
706
 
707
    /**
708
     * Registers object to be used in templates
709
     *
710
     * @param string $object name of template object
711
     * @param object &$object_impl the referenced PHP object to register
712
     * @param null|array $allowed list of allowed methods (empty = all)
713
     * @param boolean $smarty_args smarty argument format, else traditional
714
     * @param null|array $block_functs list of methods that are block format
715
     */
716
    function register_object($object, &$object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())
717
    {
718
        settype($allowed, 'array');
719
        settype($smarty_args, 'boolean');
720
        $this->_reg_objects[$object] =
721
            array(&$object_impl, $allowed, $smarty_args, $block_methods);
722
    }
723
 
724
    /**
725
     * Unregisters object
726
     *
727
     * @param string $object name of template object
728
     */
729
    function unregister_object($object)
730
    {
731
        unset($this->_reg_objects[$object]);
732
    }
733
 
734
 
735
    /**
736
     * Registers block function to be used in templates
737
     *
738
     * @param string $block name of template block
739
     * @param string $block_impl PHP function to register
740
     */
741
    function register_block($block, $block_impl, $cacheable=true, $cache_attrs=null)
742
    {
743
        $this->_plugins['block'][$block] =
744
            array($block_impl, null, null, false, $cacheable, $cache_attrs);
745
    }
746
 
747
    /**
748
     * Unregisters block function
749
     *
750
     * @param string $block name of template function
751
     */
752
    function unregister_block($block)
753
    {
754
        unset($this->_plugins['block'][$block]);
755
    }
756
 
757
    /**
758
     * Registers compiler function
759
     *
760
     * @param string $function name of template function
761
     * @param string $function_impl name of PHP function to register
762
     */
763
    function register_compiler_function($function, $function_impl, $cacheable=true)
764
    {
765
        $this->_plugins['compiler'][$function] =
766
            array($function_impl, null, null, false, $cacheable);
767
    }
768
 
769
    /**
770
     * Unregisters compiler function
771
     *
772
     * @param string $function name of template function
773
     */
774
    function unregister_compiler_function($function)
775
    {
776
        unset($this->_plugins['compiler'][$function]);
777
    }
778
 
779
    /**
780
     * Registers modifier to be used in templates
781
     *
782
     * @param string $modifier name of template modifier
783
     * @param string $modifier_impl name of PHP function to register
784
     */
785
    function register_modifier($modifier, $modifier_impl)
786
    {
787
        $this->_plugins['modifier'][$modifier] =
788
            array($modifier_impl, null, null, false);
789
    }
790
 
791
    /**
792
     * Unregisters modifier
793
     *
794
     * @param string $modifier name of template modifier
795
     */
796
    function unregister_modifier($modifier)
797
    {
798
        unset($this->_plugins['modifier'][$modifier]);
799
    }
800
 
801
    /**
802
     * Registers a resource to fetch a template
803
     *
804
     * @param string $type name of resource
805
     * @param array $functions array of functions to handle resource
806
     */
807
    function register_resource($type, $functions)
808
    {
809
        if (count($functions)==4) {
810
            $this->_plugins['resource'][$type] =
811
                array($functions, false);
812
 
813
        } elseif (count($functions)==5) {
814
            $this->_plugins['resource'][$type] =
815
                array(array(array(&$functions[0], $functions[1])
816
                            ,array(&$functions[0], $functions[2])
817
                            ,array(&$functions[0], $functions[3])
818
                            ,array(&$functions[0], $functions[4]))
819
                      ,false);
820
 
821
        } else {
822
            $this->trigger_error("malformed function-list for '$type' in register_resource");
823
 
824
        }
825
    }
826
 
827
    /**
828
     * Unregisters a resource
829
     *
830
     * @param string $type name of resource
831
     */
832
    function unregister_resource($type)
833
    {
834
        unset($this->_plugins['resource'][$type]);
835
    }
836
 
837
    /**
838
     * Registers a prefilter function to apply
839
     * to a template before compiling
840
     *
841
     * @param string $function name of PHP function to register
842
     */
843
    function register_prefilter($function)
844
    {
845
    $_name = (is_array($function)) ? $function[1] : $function;
846
        $this->_plugins['prefilter'][$_name]
847
            = array($function, null, null, false);
848
    }
849
 
850
    /**
851
     * Unregisters a prefilter function
852
     *
853
     * @param string $function name of PHP function
854
     */
855
    function unregister_prefilter($function)
856
    {
857
        unset($this->_plugins['prefilter'][$function]);
858
    }
859
 
860
    /**
861
     * Registers a postfilter function to apply
862
     * to a compiled template after compilation
863
     *
864
     * @param string $function name of PHP function to register
865
     */
866
    function register_postfilter($function)
867
    {
868
    $_name = (is_array($function)) ? $function[1] : $function;
869
        $this->_plugins['postfilter'][$_name]
870
            = array($function, null, null, false);
871
    }
872
 
873
    /**
874
     * Unregisters a postfilter function
875
     *
876
     * @param string $function name of PHP function
877
     */
878
    function unregister_postfilter($function)
879
    {
880
        unset($this->_plugins['postfilter'][$function]);
881
    }
882
 
883
    /**
884
     * Registers an output filter function to apply
885
     * to a template output
886
     *
887
     * @param string $function name of PHP function
888
     */
889
    function register_outputfilter($function)
890
    {
891
    $_name = (is_array($function)) ? $function[1] : $function;
892
        $this->_plugins['outputfilter'][$_name]
893
            = array($function, null, null, false);
894
    }
895
 
896
    /**
897
     * Unregisters an outputfilter function
898
     *
899
     * @param string $function name of PHP function
900
     */
901
    function unregister_outputfilter($function)
902
    {
903
        unset($this->_plugins['outputfilter'][$function]);
904
    }
905
 
906
    /**
907
     * load a filter of specified type and name
908
     *
909
     * @param string $type filter type
910
     * @param string $name filter name
911
     */
912
    function load_filter($type, $name)
913
    {
914
        switch ($type) {
915
            case 'output':
916
                $_params = array('plugins' => array(array($type . 'filter', $name, null, null, false)));
917
                require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');
918
                smarty_core_load_plugins($_params, $this);
919
                break;
920
 
921
            case 'pre':
922
            case 'post':
923
                if (!isset($this->_plugins[$type . 'filter'][$name]))
924
                    $this->_plugins[$type . 'filter'][$name] = false;
925
                break;
926
        }
927
    }
928
 
929
    /**
930
     * clear cached content for the given template and cache id
931
     *
932
     * @param string $tpl_file name of template file
933
     * @param string $cache_id name of cache_id
934
     * @param string $compile_id name of compile_id
935
     * @param string $exp_time expiration time
936
     * @return boolean
937
     */
938
    function clear_cache($tpl_file = null, $cache_id = null, $compile_id = null, $exp_time = null)
939
    {
940
 
941
        if (!isset($compile_id))
942
            $compile_id = $this->compile_id;
943
 
944
        if (!isset($tpl_file))
945
            $compile_id = null;
946
 
947
        $_auto_id = $this->_get_auto_id($cache_id, $compile_id);
948
 
949
        if (!empty($this->cache_handler_func)) {
950
            return call_user_func_array($this->cache_handler_func,
951
                                  array('clear', &$this, &$dummy, $tpl_file, $cache_id, $compile_id, $exp_time));
952
        } else {
953
            $_params = array('auto_base' => $this->cache_dir,
954
                            'auto_source' => $tpl_file,
955
                            'auto_id' => $_auto_id,
956
                            'exp_time' => $exp_time);
957
            require_once(SMARTY_CORE_DIR . 'core.rm_auto.php');
958
            return smarty_core_rm_auto($_params, $this);
959
        }
960
 
961
    }
962
 
963
 
964
    /**
965
     * clear the entire contents of cache (all templates)
966
     *
967
     * @param string $exp_time expire time
968
     * @return boolean results of {@link smarty_core_rm_auto()}
969
     */
970
    function clear_all_cache($exp_time = null)
971
    {
972
        return $this->clear_cache(null, null, null, $exp_time);
973
    }
974
 
975
 
976
    /**
977
     * test to see if valid cache exists for this template
978
     *
979
     * @param string $tpl_file name of template file
980
     * @param string $cache_id
981
     * @param string $compile_id
982
     * @return string|false results of {@link _read_cache_file()}
983
     */
984
    function is_cached($tpl_file, $cache_id = null, $compile_id = null)
985
    {
986
        if (!$this->caching)
987
            return false;
988
 
989
        if (!isset($compile_id))
990
            $compile_id = $this->compile_id;
991
 
992
        $_params = array(
993
            'tpl_file' => $tpl_file,
994
            'cache_id' => $cache_id,
995
            'compile_id' => $compile_id
996
        );
997
        require_once(SMARTY_CORE_DIR . 'core.read_cache_file.php');
998
        return smarty_core_read_cache_file($_params, $this);
999
    }
1000
 
1001
 
1002
    /**
1003
     * clear all the assigned template variables.
1004
     *
1005
     */
1006
    function clear_all_assign()
1007
    {
1008
        $this->_tpl_vars = array();
1009
    }
1010
 
1011
    /**
1012
     * clears compiled version of specified template resource,
1013
     * or all compiled template files if one is not specified.
1014
     * This function is for advanced use only, not normally needed.
1015
     *
1016
     * @param string $tpl_file
1017
     * @param string $compile_id
1018
     * @param string $exp_time
1019
     * @return boolean results of {@link smarty_core_rm_auto()}
1020
     */
1021
    function clear_compiled_tpl($tpl_file = null, $compile_id = null, $exp_time = null)
1022
    {
1023
        if (!isset($compile_id)) {
1024
            $compile_id = $this->compile_id;
1025
        }
1026
        $_params = array('auto_base' => $this->compile_dir,
1027
                        'auto_source' => $tpl_file,
1028
                        'auto_id' => $compile_id,
1029
                        'exp_time' => $exp_time,
1030
                        'extensions' => array('.inc', '.php'));
1031
        require_once(SMARTY_CORE_DIR . 'core.rm_auto.php');
1032
        return smarty_core_rm_auto($_params, $this);
1033
    }
1034
 
1035
    /**
1036
     * Checks whether requested template exists.
1037
     *
1038
     * @param string $tpl_file
1039
     * @return boolean
1040
     */
1041
    function template_exists($tpl_file)
1042
    {
1043
        $_params = array('resource_name' => $tpl_file, 'quiet'=>true, 'get_source'=>false);
1044
        return $this->_fetch_resource_info($_params);
1045
    }
1046
 
1047
    /**
1048
     * Returns an array containing template variables
1049
     *
1050
     * @param string $name
1051
     * @param string $type
1052
     * @return array
1053
     */
1054
    function &get_template_vars($name=null)
1055
    {
1056
        if(!isset($name)) {
1057
            return $this->_tpl_vars;
1058
        } elseif(isset($this->_tpl_vars[$name])) {
1059
            return $this->_tpl_vars[$name];
1060
        } else {
1061
            // var non-existant, return valid reference
1062
            $_tmp = null;
1063
            return $_tmp;
1064
        }
1065
    }
1066
 
1067
    /**
1068
     * Returns an array containing config variables
1069
     *
1070
     * @param string $name
1071
     * @param string $type
1072
     * @return array
1073
     */
1074
    function &get_config_vars($name=null)
1075
    {
1076
        if(!isset($name) && is_array($this->_config[0])) {
1077
            return $this->_config[0]['vars'];
1078
        } else if(isset($this->_config[0]['vars'][$name])) {
1079
            return $this->_config[0]['vars'][$name];
1080
        } else {
1081
            // var non-existant, return valid reference
1082
            $_tmp = null;
1083
            return $_tmp;
1084
        }
1085
    }
1086
 
1087
    /**
1088
     * trigger Smarty error
1089
     *
1090
     * @param string $error_msg
1091
     * @param integer $error_type
1092
     */
1093
    function trigger_error($error_msg, $error_type = E_USER_WARNING)
1094
    {
1095
        trigger_error("Smarty error: $error_msg", $error_type);
1096
    }
1097
 
1098
 
1099
    /**
1100
     * executes & displays the template results
1101
     *
1102
     * @param string $resource_name
1103
     * @param string $cache_id
1104
     * @param string $compile_id
1105
     */
1106
    function display($resource_name, $cache_id = null, $compile_id = null)
1107
    {
1108
        $this->fetch($resource_name, $cache_id, $compile_id, true);
1109
    }
1110
 
1111
    /**
1112
     * executes & returns or displays the template results
1113
     *
1114
     * @param string $resource_name
1115
     * @param string $cache_id
1116
     * @param string $compile_id
1117
     * @param boolean $display
1118
     */
1119
    function fetch($resource_name, $cache_id = null, $compile_id = null, $display = false)
1120
    {
1121
        static $_cache_info = array();
1122
 
1123
        $_smarty_old_error_level = $this->debugging ? error_reporting() : error_reporting(isset($this->error_reporting)
1124
               ? $this->error_reporting : error_reporting() & ~E_NOTICE);
1125
 
1126
        if (!$this->debugging && $this->debugging_ctrl == 'URL') {
1127
            $_query_string = $this->request_use_auto_globals ? $_SERVER['QUERY_STRING'] : $GLOBALS['HTTP_SERVER_VARS']['QUERY_STRING'];
1128
            if (@strstr($_query_string, $this->_smarty_debug_id)) {
1129
                if (@strstr($_query_string, $this->_smarty_debug_id . '=on')) {
1130
                    // enable debugging for this browser session
1131
                    @setcookie('SMARTY_DEBUG', true);
1132
                    $this->debugging = true;
1133
                } elseif (@strstr($_query_string, $this->_smarty_debug_id . '=off')) {
1134
                    // disable debugging for this browser session
1135
                    @setcookie('SMARTY_DEBUG', false);
1136
                    $this->debugging = false;
1137
                } else {
1138
                    // enable debugging for this page
1139
                    $this->debugging = true;
1140
                }
1141
            } else {
1142
                $this->debugging = (bool)($this->request_use_auto_globals ? @$_COOKIE['SMARTY_DEBUG'] : @$GLOBALS['HTTP_COOKIE_VARS']['SMARTY_DEBUG']);
1143
            }
1144
        }
1145
 
1146
        if ($this->debugging) {
1147
            // capture time for debugging info
1148
            $_params = array();
1149
            require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
1150
            $_debug_start_time = smarty_core_get_microtime($_params, $this);
1151
            $this->_smarty_debug_info[] = array('type'      => 'template',
1152
                                                'filename'  => $resource_name,
1153
                                                'depth'     => 0);
1154
            $_included_tpls_idx = count($this->_smarty_debug_info) - 1;
1155
        }
1156
 
1157
        if (!isset($compile_id)) {
1158
            $compile_id = $this->compile_id;
1159
        }
1160
 
1161
        $this->_compile_id = $compile_id;
1162
        $this->_inclusion_depth = 0;
1163
 
1164
        if ($this->caching) {
1165
            // save old cache_info, initialize cache_info
1166
            array_push($_cache_info, $this->_cache_info);
1167
            $this->_cache_info = array();
1168
            $_params = array(
1169
                'tpl_file' => $resource_name,
1170
                'cache_id' => $cache_id,
1171
                'compile_id' => $compile_id,
1172
                'results' => null
1173
            );
1174
            require_once(SMARTY_CORE_DIR . 'core.read_cache_file.php');
1175
            if (smarty_core_read_cache_file($_params, $this)) {
1176
                $_smarty_results = $_params['results'];
1177
                if (!empty($this->_cache_info['insert_tags'])) {
1178
                    $_params = array('plugins' => $this->_cache_info['insert_tags']);
1179
                    require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');
1180
                    smarty_core_load_plugins($_params, $this);
1181
                    $_params = array('results' => $_smarty_results);
1182
                    require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php');
1183
                    $_smarty_results = smarty_core_process_cached_inserts($_params, $this);
1184
                }
1185
                if (!empty($this->_cache_info['cache_serials'])) {
1186
                    $_params = array('results' => $_smarty_results);
1187
                    require_once(SMARTY_CORE_DIR . 'core.process_compiled_include.php');
1188
                    $_smarty_results = smarty_core_process_compiled_include($_params, $this);
1189
                }
1190
 
1191
 
1192
                if ($display) {
1193
                    if ($this->debugging)
1194
                    {
1195
                        // capture time for debugging info
1196
                        $_params = array();
1197
                        require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
1198
                        $this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $_debug_start_time;
1199
                        require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php');
1200
                        $_smarty_results .= smarty_core_display_debug_console($_params, $this);
1201
                    }
1202
                    if ($this->cache_modified_check) {
1203
                        $_server_vars = ($this->request_use_auto_globals) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS'];
1204
                        $_last_modified_date = @substr($_server_vars['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_server_vars['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
1205
                        $_gmt_mtime = gmdate('D, d M Y H:i:s', $this->_cache_info['timestamp']).' GMT';
1206
                        if (@count($this->_cache_info['insert_tags']) == 0
1207
                            && !$this->_cache_serials
1208
                            && $_gmt_mtime == $_last_modified_date) {
1209
                            if (php_sapi_name()=='cgi')
1210
                                header('Status: 304 Not Modified');
1211
                            else
1212
                                header('HTTP/1.1 304 Not Modified');
1213
 
1214
                        } else {
1215
                            header('Last-Modified: '.$_gmt_mtime);
1216
                            echo $_smarty_results;
1217
                        }
1218
                    } else {
1219
                            echo $_smarty_results;
1220
                    }
1221
                    error_reporting($_smarty_old_error_level);
1222
                    // restore initial cache_info
1223
                    $this->_cache_info = array_pop($_cache_info);
1224
                    return true;
1225
                } else {
1226
                    error_reporting($_smarty_old_error_level);
1227
                    // restore initial cache_info
1228
                    $this->_cache_info = array_pop($_cache_info);
1229
                    return $_smarty_results;
1230
                }
1231
            } else {
1232
                $this->_cache_info['template'][$resource_name] = true;
1233
                if ($this->cache_modified_check && $display) {
1234
                    header('Last-Modified: '.gmdate('D, d M Y H:i:s', time()).' GMT');
1235
                }
1236
            }
1237
        }
1238
 
1239
        // load filters that are marked as autoload
1240
        if (count($this->autoload_filters)) {
1241
            foreach ($this->autoload_filters as $_filter_type => $_filters) {
1242
                foreach ($_filters as $_filter) {
1243
                    $this->load_filter($_filter_type, $_filter);
1244
                }
1245
            }
1246
        }
1247
 
1248
        $_smarty_compile_path = $this->_get_compile_path($resource_name);
1249
 
1250
        // if we just need to display the results, don't perform output
1251
        // buffering - for speed
1252
        $_cache_including = $this->_cache_including;
1253
        $this->_cache_including = false;
1254
        if ($display && !$this->caching && count($this->_plugins['outputfilter']) == 0) {
1255
            if ($this->_is_compiled($resource_name, $_smarty_compile_path)
1256
                    || $this->_compile_resource($resource_name, $_smarty_compile_path))
1257
            {
1258
                include($_smarty_compile_path);
1259
            }
1260
        } else {
1261
            ob_start();
1262
            if ($this->_is_compiled($resource_name, $_smarty_compile_path)
1263
                    || $this->_compile_resource($resource_name, $_smarty_compile_path))
1264
            {
1265
                include($_smarty_compile_path);
1266
            }
1267
            $_smarty_results = ob_get_contents();
1268
            ob_end_clean();
1269
 
1270
            foreach ((array)$this->_plugins['outputfilter'] as $_output_filter) {
1271
                $_smarty_results = call_user_func_array($_output_filter[0], array($_smarty_results, &$this));
1272
            }
1273
        }
1274
 
1275
        if ($this->caching) {
1276
            $_params = array('tpl_file' => $resource_name,
1277
                        'cache_id' => $cache_id,
1278
                        'compile_id' => $compile_id,
1279
                        'results' => $_smarty_results);
1280
            require_once(SMARTY_CORE_DIR . 'core.write_cache_file.php');
1281
            smarty_core_write_cache_file($_params, $this);
1282
            require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php');
1283
            $_smarty_results = smarty_core_process_cached_inserts($_params, $this);
1284
 
1285
            if ($this->_cache_serials) {
1286
                // strip nocache-tags from output
1287
                $_smarty_results = preg_replace('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!s'
1288
                                                ,''
1289
                                                ,$_smarty_results);
1290
            }
1291
            // restore initial cache_info
1292
            $this->_cache_info = array_pop($_cache_info);
1293
        }
1294
        $this->_cache_including = $_cache_including;
1295
 
1296
        if ($display) {
1297
            if (isset($_smarty_results)) { echo $_smarty_results; }
1298
            if ($this->debugging) {
1299
                // capture time for debugging info
1300
                $_params = array();
1301
                require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
1302
                $this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = (smarty_core_get_microtime($_params, $this) - $_debug_start_time);
1303
                require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php');
1304
                echo smarty_core_display_debug_console($_params, $this);
1305
            }
1306
            error_reporting($_smarty_old_error_level);
1307
            return;
1308
        } else {
1309
            error_reporting($_smarty_old_error_level);
1310
            if (isset($_smarty_results)) { return $_smarty_results; }
1311
        }
1312
    }
1313
 
1314
    /**
1315
     * load configuration values
1316
     *
1317
     * @param string $file
1318
     * @param string $section
1319
     * @param string $scope
1320
     */
1321
    function config_load($file, $section = null, $scope = 'global')
1322
    {
1323
        require_once($this->_get_plugin_filepath('function', 'config_load'));
1324
        smarty_function_config_load(array('file' => $file, 'section' => $section, 'scope' => $scope), $this);
1325
    }
1326
 
1327
    /**
1328
     * return a reference to a registered object
1329
     *
1330
     * @param string $name
1331
     * @return object
1332
     */
1333
    function &get_registered_object($name) {
1334
        if (!isset($this->_reg_objects[$name]))
1335
        $this->_trigger_fatal_error("'$name' is not a registered object");
1336
 
1337
        if (!is_object($this->_reg_objects[$name][0]))
1338
        $this->_trigger_fatal_error("registered '$name' is not an object");
1339
 
1340
        return $this->_reg_objects[$name][0];
1341
    }
1342
 
1343
    /**
1344
     * clear configuration values
1345
     *
1346
     * @param string $var
1347
     */
1348
    function clear_config($var = null)
1349
    {
1350
        if(!isset($var)) {
1351
            // clear all values
1352
            $this->_config = array(array('vars'  => array(),
1353
                                         'files' => array()));
1354
        } else {
1355
            unset($this->_config[0]['vars'][$var]);
1356
        }
1357
    }
1358
 
1359
    /**
1360
     * get filepath of requested plugin
1361
     *
1362
     * @param string $type
1363
     * @param string $name
1364
     * @return string|false
1365
     */
1366
    function _get_plugin_filepath($type, $name)
1367
    {
1368
        $_params = array('type' => $type, 'name' => $name);
1369
        require_once(SMARTY_CORE_DIR . 'core.assemble_plugin_filepath.php');
1370
        return smarty_core_assemble_plugin_filepath($_params, $this);
1371
    }
1372
 
1373
   /**
1374
     * test if resource needs compiling
1375
     *
1376
     * @param string $resource_name
1377
     * @param string $compile_path
1378
     * @return boolean
1379
     */
1380
    function _is_compiled($resource_name, $compile_path)
1381
    {
1382
        if (!$this->force_compile && file_exists($compile_path)) {
1383
            if (!$this->compile_check) {
1384
                // no need to check compiled file
1385
                return true;
1386
            } else {
1387
                // get file source and timestamp
1388
                $_params = array('resource_name' => $resource_name, 'get_source'=>false);
1389
                if (!$this->_fetch_resource_info($_params)) {
1390
                    return false;
1391
                }
1392
                if ($_params['resource_timestamp'] <= filemtime($compile_path)) {
1393
                    // template not expired, no recompile
1394
                    return true;
1395
                } else {
1396
                    // compile template
1397
                    return false;
1398
                }
1399
            }
1400
        } else {
1401
            // compiled template does not exist, or forced compile
1402
            return false;
1403
        }
1404
    }
1405
 
1406
   /**
1407
     * compile the template
1408
     *
1409
     * @param string $resource_name
1410
     * @param string $compile_path
1411
     * @return boolean
1412
     */
1413
    function _compile_resource($resource_name, $compile_path)
1414
    {
1415
 
1416
        $_params = array('resource_name' => $resource_name);
1417
        if (!$this->_fetch_resource_info($_params)) {
1418
            return false;
1419
        }
1420
 
1421
        $_source_content = $_params['source_content'];
1422
        $_cache_include    = substr($compile_path, 0, -4).'.inc';
1423
 
1424
        if ($this->_compile_source($resource_name, $_source_content, $_compiled_content, $_cache_include)) {
1425
            // if a _cache_serial was set, we also have to write an include-file:
1426
            if ($this->_cache_include_info) {
1427
                require_once(SMARTY_CORE_DIR . 'core.write_compiled_include.php');
1428
                smarty_core_write_compiled_include(array_merge($this->_cache_include_info, array('compiled_content'=>$_compiled_content, 'resource_name'=>$resource_name)),  $this);
1429
            }
1430
 
1431
            $_params = array('compile_path'=>$compile_path, 'compiled_content' => $_compiled_content);
1432
            require_once(SMARTY_CORE_DIR . 'core.write_compiled_resource.php');
1433
            smarty_core_write_compiled_resource($_params, $this);
1434
 
1435
            return true;
1436
        } else {
1437
            return false;
1438
        }
1439
 
1440
    }
1441
 
1442
   /**
1443
     * compile the given source
1444
     *
1445
     * @param string $resource_name
1446
     * @param string $source_content
1447
     * @param string $compiled_content
1448
     * @return boolean
1449
     */
1450
    function _compile_source($resource_name, &$source_content, &$compiled_content, $cache_include_path=null)
1451
    {
1452
        if (file_exists(SMARTY_DIR . $this->compiler_file)) {
1453
            require_once(SMARTY_DIR . $this->compiler_file);
1454
        } else {
1455
            // use include_path
1456
            require_once($this->compiler_file);
1457
        }
1458
 
1459
 
1460
        $smarty_compiler = new $this->compiler_class;
1461
 
1462
        $smarty_compiler->template_dir      = $this->template_dir;
1463
        $smarty_compiler->compile_dir       = $this->compile_dir;
1464
        $smarty_compiler->plugins_dir       = $this->plugins_dir;
1465
        $smarty_compiler->config_dir        = $this->config_dir;
1466
        $smarty_compiler->force_compile     = $this->force_compile;
1467
        $smarty_compiler->caching           = $this->caching;
1468
        $smarty_compiler->php_handling      = $this->php_handling;
1469
        $smarty_compiler->left_delimiter    = $this->left_delimiter;
1470
        $smarty_compiler->right_delimiter   = $this->right_delimiter;
1471
        $smarty_compiler->_version          = $this->_version;
1472
        $smarty_compiler->security          = $this->security;
1473
        $smarty_compiler->secure_dir        = $this->secure_dir;
1474
        $smarty_compiler->security_settings = $this->security_settings;
1475
        $smarty_compiler->trusted_dir       = $this->trusted_dir;
1476
        $smarty_compiler->use_sub_dirs      = $this->use_sub_dirs;
1477
        $smarty_compiler->_reg_objects      = &$this->_reg_objects;
1478
        $smarty_compiler->_plugins          = &$this->_plugins;
1479
        $smarty_compiler->_tpl_vars         = &$this->_tpl_vars;
1480
        $smarty_compiler->default_modifiers = $this->default_modifiers;
1481
        $smarty_compiler->compile_id        = $this->_compile_id;
1482
        $smarty_compiler->_config            = $this->_config;
1483
        $smarty_compiler->request_use_auto_globals  = $this->request_use_auto_globals;
1484
 
1485
        if (isset($cache_include_path) && isset($this->_cache_serials[$cache_include_path])) {
1486
            $smarty_compiler->_cache_serial = $this->_cache_serials[$cache_include_path];
1487
        }
1488
        $smarty_compiler->_cache_include = $cache_include_path;
1489
 
1490
 
1491
        $_results = $smarty_compiler->_compile_file($resource_name, $source_content, $compiled_content);
1492
 
1493
        if ($smarty_compiler->_cache_serial) {
1494
            $this->_cache_include_info = array(
1495
                'cache_serial'=>$smarty_compiler->_cache_serial
1496
                ,'plugins_code'=>$smarty_compiler->_plugins_code
1497
                ,'include_file_path' => $cache_include_path);
1498
 
1499
        } else {
1500
            $this->_cache_include_info = null;
1501
 
1502
        }
1503
 
1504
        return $_results;
1505
    }
1506
 
1507
    /**
1508
     * Get the compile path for this resource
1509
     *
1510
     * @param string $resource_name
1511
     * @return string results of {@link _get_auto_filename()}
1512
     */
1513
    function _get_compile_path($resource_name)
1514
    {
1515
        return $this->_get_auto_filename($this->compile_dir, $resource_name,
1516
                                         $this->_compile_id) . '.php';
1517
    }
1518
 
1519
    /**
1520
     * fetch the template info. Gets timestamp, and source
1521
     * if get_source is true
1522
     *
1523
     * sets $source_content to the source of the template, and
1524
     * $resource_timestamp to its time stamp
1525
     * @param string $resource_name
1526
     * @param string $source_content
1527
     * @param integer $resource_timestamp
1528
     * @param boolean $get_source
1529
     * @param boolean $quiet
1530
     * @return boolean
1531
     */
1532
 
1533
    function _fetch_resource_info(&$params)
1534
    {
1535
        if(!isset($params['get_source'])) { $params['get_source'] = true; }
1536
        if(!isset($params['quiet'])) { $params['quiet'] = false; }
1537
 
1538
        $_return = false;
1539
        $_params = array('resource_name' => $params['resource_name']) ;
1540
        if (isset($params['resource_base_path']))
1541
            $_params['resource_base_path'] = $params['resource_base_path'];
1542
        else
1543
            $_params['resource_base_path'] = $this->template_dir;
1544
 
1545
        if ($this->_parse_resource_name($_params)) {
1546
            $_resource_type = $_params['resource_type'];
1547
            $_resource_name = $_params['resource_name'];
1548
            switch ($_resource_type) {
1549
                case 'file':
1550
                    if ($params['get_source']) {
1551
                        $params['source_content'] = $this->_read_file($_resource_name);
1552
                    }
1553
                    $params['resource_timestamp'] = filemtime($_resource_name);
1554
                    $_return = is_file($_resource_name);
1555
                    break;
1556
 
1557
                default:
1558
                    // call resource functions to fetch the template source and timestamp
1559
                    if ($params['get_source']) {
1560
                        $_source_return = isset($this->_plugins['resource'][$_resource_type]) &&
1561
                            call_user_func_array($this->_plugins['resource'][$_resource_type][0][0],
1562
                                                 array($_resource_name, &$params['source_content'], &$this));
1563
                    } else {
1564
                        $_source_return = true;
1565
                    }
1566
 
1567
                    $_timestamp_return = isset($this->_plugins['resource'][$_resource_type]) &&
1568
                        call_user_func_array($this->_plugins['resource'][$_resource_type][0][1],
1569
                                             array($_resource_name, &$params['resource_timestamp'], &$this));
1570
 
1571
                    $_return = $_source_return && $_timestamp_return;
1572
                    break;
1573
            }
1574
        }
1575
 
1576
        if (!$_return) {
1577
            // see if we can get a template with the default template handler
1578
            if (!empty($this->default_template_handler_func)) {
1579
                if (!is_callable($this->default_template_handler_func)) {
1580
                    $this->trigger_error("default template handler function \"$this->default_template_handler_func\" doesn't exist.");
1581
                } else {
1582
                    $_return = call_user_func_array(
1583
                        $this->default_template_handler_func,
1584
                        array($_params['resource_type'], $_params['resource_name'], &$params['source_content'], &$params['resource_timestamp'], &$this));
1585
                }
1586
            }
1587
        }
1588
 
1589
        if (!$_return) {
1590
            if (!$params['quiet']) {
1591
                $this->trigger_error('unable to read resource: "' . $params['resource_name'] . '"');
1592
            }
1593
        } else if ($_return && $this->security) {
1594
            require_once(SMARTY_CORE_DIR . 'core.is_secure.php');
1595
            if (!smarty_core_is_secure($_params, $this)) {
1596
                if (!$params['quiet'])
1597
                    $this->trigger_error('(secure mode) accessing "' . $params['resource_name'] . '" is not allowed');
1598
                $params['source_content'] = null;
1599
                $params['resource_timestamp'] = null;
1600
                return false;
1601
            }
1602
        }
1603
        return $_return;
1604
    }
1605
 
1606
 
1607
    /**
1608
     * parse out the type and name from the resource
1609
     *
1610
     * @param string $resource_base_path
1611
     * @param string $resource_name
1612
     * @param string $resource_type
1613
     * @param string $resource_name
1614
     * @return boolean
1615
     */
1616
 
1617
    function _parse_resource_name(&$params)
1618
    {
1619
 
1620
        // split tpl_path by the first colon
1621
        $_resource_name_parts = explode(':', $params['resource_name'], 2);
1622
 
1623
        if (count($_resource_name_parts) == 1) {
1624
            // no resource type given
1625
            $params['resource_type'] = $this->default_resource_type;
1626
            $params['resource_name'] = $_resource_name_parts[0];
1627
        } else {
1628
            if(strlen($_resource_name_parts[0]) == 1) {
1629
                // 1 char is not resource type, but part of filepath
1630
                $params['resource_type'] = $this->default_resource_type;
1631
                $params['resource_name'] = $params['resource_name'];
1632
            } else {
1633
                $params['resource_type'] = $_resource_name_parts[0];
1634
                $params['resource_name'] = $_resource_name_parts[1];
1635
            }
1636
        }
1637
 
1638
        if ($params['resource_type'] == 'file') {
1639
            if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $params['resource_name'])) {
1640
                // relative pathname to $params['resource_base_path']
1641
                // use the first directory where the file is found
1642
                foreach ((array)$params['resource_base_path'] as $_curr_path) {
1643
                    $_fullpath = $_curr_path . DIRECTORY_SEPARATOR . $params['resource_name'];
1644
                    if (file_exists($_fullpath) && is_file($_fullpath)) {
1645
                        $params['resource_name'] = $_fullpath;
1646
                        return true;
1647
                    }
1648
                    // didn't find the file, try include_path
1649
                    $_params = array('file_path' => $_fullpath);
1650
                    require_once(SMARTY_CORE_DIR . 'core.get_include_path.php');
1651
                    if(smarty_core_get_include_path($_params, $this)) {
1652
                        $params['resource_name'] = $_params['new_file_path'];
1653
                        return true;
1654
                    }
1655
                }
1656
                return false;
1657
            } else {
1658
                /* absolute path */
1659
                return file_exists($params['resource_name']);
1660
            }
1661
        } elseif (empty($this->_plugins['resource'][$params['resource_type']])) {
1662
            $_params = array('type' => $params['resource_type']);
1663
            require_once(SMARTY_CORE_DIR . 'core.load_resource_plugin.php');
1664
            smarty_core_load_resource_plugin($_params, $this);
1665
        }
1666
 
1667
        return true;
1668
    }
1669
 
1670
 
1671
    /**
1672
     * Handle modifiers
1673
     *
1674
     * @param string|null $modifier_name
1675
     * @param array|null $map_array
1676
     * @return string result of modifiers
1677
     */
1678
    function _run_mod_handler()
1679
    {
1680
        $_args = func_get_args();
1681
        list($_modifier_name, $_map_array) = array_splice($_args, 0, 2);
1682
        list($_func_name, $_tpl_file, $_tpl_line) =
1683
            $this->_plugins['modifier'][$_modifier_name];
1684
 
1685
        $_var = $_args[0];
1686
        foreach ($_var as $_key => $_val) {
1687
            $_args[0] = $_val;
1688
            $_var[$_key] = call_user_func_array($_func_name, $_args);
1689
        }
1690
        return $_var;
1691
    }
1692
 
1693
    /**
1694
     * Remove starting and ending quotes from the string
1695
     *
1696
     * @param string $string
1697
     * @return string
1698
     */
1699
    function _dequote($string)
1700
    {
1701
        if ((substr($string, 0, 1) == "'" || substr($string, 0, 1) == '"') &&
1702
            substr($string, -1) == substr($string, 0, 1))
1703
            return substr($string, 1, -1);
1704
        else
1705
            return $string;
1706
    }
1707
 
1708
 
1709
    /**
1710
     * read in a file
1711
     *
1712
     * @param string $filename
1713
     * @return string
1714
     */
1715
    function _read_file($filename)
1716
    {
1717
        if ( file_exists($filename) && ($fd = @fopen($filename, 'rb')) ) {
1718
            $contents = '';
1719
            while (!feof($fd)) {
1720
                $contents .= fread($fd, 8192);
1721
            }
1722
            fclose($fd);
1723
            return $contents;
1724
        } else {
1725
            return false;
1726
        }
1727
    }
1728
 
1729
    /**
1730
     * get a concrete filename for automagically created content
1731
     *
1732
     * @param string $auto_base
1733
     * @param string $auto_source
1734
     * @param string $auto_id
1735
     * @return string
1736
     * @staticvar string|null
1737
     * @staticvar string|null
1738
     */
1739
    function _get_auto_filename($auto_base, $auto_source = null, $auto_id = null)
1740
    {
1741
        $_compile_dir_sep =  $this->use_sub_dirs ? DIRECTORY_SEPARATOR : '^';
1742
        $_return = $auto_base . DIRECTORY_SEPARATOR;
1743
 
1744
        if(isset($auto_id)) {
1745
            // make auto_id safe for directory names
1746
            $auto_id = str_replace('%7C',$_compile_dir_sep,(urlencode($auto_id)));
1747
            // split into separate directories
1748
            $_return .= $auto_id . $_compile_dir_sep;
1749
        }
1750
 
1751
        if(isset($auto_source)) {
1752
            // make source name safe for filename
1753
            $_filename = urlencode(basename($auto_source));
1754
            $_crc32 = sprintf('%08X', crc32($auto_source));
1755
            // prepend %% to avoid name conflicts with
1756
            // with $params['auto_id'] names
1757
            $_crc32 = substr($_crc32, 0, 2) . $_compile_dir_sep .
1758
                      substr($_crc32, 0, 3) . $_compile_dir_sep . $_crc32;
1759
            $_return .= '%%' . $_crc32 . '%%' . $_filename;
1760
        }
1761
 
1762
        return $_return;
1763
    }
1764
 
1765
    /**
1766
     * unlink a file, possibly using expiration time
1767
     *
1768
     * @param string $resource
1769
     * @param integer $exp_time
1770
     */
1771
    function _unlink($resource, $exp_time = null)
1772
    {
1773
        if(isset($exp_time)) {
1774
            if(time() - @filemtime($resource) >= $exp_time) {
1775
                return @unlink($resource);
1776
            }
1777
        } else {
1778
            return @unlink($resource);
1779
        }
1780
    }
1781
 
1782
    /**
1783
     * returns an auto_id for auto-file-functions
1784
     *
1785
     * @param string $cache_id
1786
     * @param string $compile_id
1787
     * @return string|null
1788
     */
1789
    function _get_auto_id($cache_id=null, $compile_id=null) {
1790
    if (isset($cache_id))
1791
        return (isset($compile_id)) ? $cache_id . '|' . $compile_id  : $cache_id;
1792
    elseif(isset($compile_id))
1793
        return $compile_id;
1794
    else
1795
        return null;
1796
    }
1797
 
1798
    /**
1799
     * trigger Smarty plugin error
1800
     *
1801
     * @param string $error_msg
1802
     * @param string $tpl_file
1803
     * @param integer $tpl_line
1804
     * @param string $file
1805
     * @param integer $line
1806
     * @param integer $error_type
1807
     */
1808
    function _trigger_fatal_error($error_msg, $tpl_file = null, $tpl_line = null,
1809
            $file = null, $line = null, $error_type = E_USER_ERROR)
1810
    {
1811
        if(isset($file) && isset($line)) {
1812
            $info = ' ('.basename($file).", line $line)";
1813
        } else {
1814
            $info = '';
1815
        }
1816
        if (isset($tpl_line) && isset($tpl_file)) {
1817
            $this->trigger_error('[in ' . $tpl_file . ' line ' . $tpl_line . "]: $error_msg$info", $error_type);
1818
        } else {
1819
            $this->trigger_error($error_msg . $info, $error_type);
1820
        }
1821
    }
1822
 
1823
 
1824
    /**
1825
     * callback function for preg_replace, to call a non-cacheable block
1826
     * @return string
1827
     */
1828
    function _process_compiled_include_callback($match) {
1829
        $_func = '_smarty_tplfunc_'.$match[2].'_'.$match[3];
1830
        ob_start();
1831
        $_func($this);
1832
        $_ret = ob_get_contents();
1833
        ob_end_clean();
1834
        return $_ret;
1835
    }
1836
 
1837
 
1838
    /**
1839
     * called for included templates
1840
     *
1841
     * @param string $_smarty_include_tpl_file
1842
     * @param string $_smarty_include_vars
1843
     */
1844
 
1845
    // $_smarty_include_tpl_file, $_smarty_include_vars
1846
 
1847
    function _smarty_include($params)
1848
    {
1849
        if ($this->debugging) {
1850
            $_params = array();
1851
            require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
1852
            $debug_start_time = smarty_core_get_microtime($_params, $this);
1853
            $this->_smarty_debug_info[] = array('type'      => 'template',
1854
                                                  'filename'  => $params['smarty_include_tpl_file'],
1855
                                                  'depth'     => ++$this->_inclusion_depth);
1856
            $included_tpls_idx = count($this->_smarty_debug_info) - 1;
1857
        }
1858
 
1859
        $this->_tpl_vars = array_merge($this->_tpl_vars, $params['smarty_include_vars']);
1860
 
1861
        // config vars are treated as local, so push a copy of the
1862
        // current ones onto the front of the stack
1863
        array_unshift($this->_config, $this->_config[0]);
1864
 
1865
        $_smarty_compile_path = $this->_get_compile_path($params['smarty_include_tpl_file']);
1866
 
1867
 
1868
        if ($this->_is_compiled($params['smarty_include_tpl_file'], $_smarty_compile_path)
1869
            || $this->_compile_resource($params['smarty_include_tpl_file'], $_smarty_compile_path))
1870
        {
1871
            include($_smarty_compile_path);
1872
        }
1873
 
1874
        // pop the local vars off the front of the stack
1875
        array_shift($this->_config);
1876
 
1877
        $this->_inclusion_depth--;
1878
 
1879
        if ($this->debugging) {
1880
            // capture time for debugging info
1881
            $_params = array();
1882
            require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
1883
            $this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $debug_start_time;
1884
        }
1885
 
1886
        if ($this->caching) {
1887
            $this->_cache_info['template'][$params['smarty_include_tpl_file']] = true;
1888
        }
1889
    }
1890
 
1891
 
1892
    /**
1893
     * get or set an array of cached attributes for function that is
1894
     * not cacheable
1895
     * @return array
1896
     */
1897
    function &_smarty_cache_attrs($cache_serial, $count) {
1898
        $_cache_attrs =& $this->_cache_info['cache_attrs'][$cache_serial][$count];
1899
 
1900
        if ($this->_cache_including) {
1901
            /* return next set of cache_attrs */
1902
            $_return = current($_cache_attrs);
1903
            next($_cache_attrs);
1904
            return $_return;
1905
 
1906
        } else {
1907
            /* add a reference to a new set of cache_attrs */
1908
            $_cache_attrs[] = array();
1909
            return $_cache_attrs[count($_cache_attrs)-1];
1910
 
1911
        }
1912
 
1913
    }
1914
 
1915
 
1916
    /**
1917
     * wrapper for include() retaining $this
1918
     * @return mixed
1919
     */
1920
    function _include($filename, $once=false, $params=null)
1921
    {
1922
        if ($once) {
1923
            return include_once($filename);
1924
        } else {
1925
            return include($filename);
1926
        }
1927
    }
1928
 
1929
 
1930
    /**
1931
     * wrapper for eval() retaining $this
1932
     * @return mixed
1933
     */
1934
    function _eval($code, $params=null)
1935
    {
1936
        return eval($code);
1937
    }
1938
    /**#@-*/
1939
 
1940
}
1941
 
1942
/* vim: set expandtab: */
1943
 
1944
?>