xref: /plugin/include/helper.php (revision d0eed7edbe1f18af646c85cdc8ac56f616339229) 
1<?php
2/**
3 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
4 * @author     Esther Brunner <wikidesign@gmail.com>
5 * @author     Christopher Smith <chris@jalakai.co.uk>
6 * @author     Gina Häußge, Michael Klier <dokuwiki@chimeric.de>
7 */
8
9// must be run within Dokuwiki
10if (!defined('DOKU_INC')) die();
11
12if (!defined('DOKU_LF')) define('DOKU_LF', "\n");
13if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t");
14if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC.'lib/plugins/');
15
16require_once(DOKU_INC.'inc/search.php');
17
18class helper_plugin_include extends DokuWiki_Plugin { // DokuWiki_Helper_Plugin
19
20    var $defaults  = array();
21    var $sec_close = true;
22    var $taghelper = null;
23    var $includes  = array(); // deprecated - compatibility code for the blog plugin
24
25    /**
26     * Constructor loads default config settings once
27     */
28    function helper_plugin_include() {
29        $this->defaults['firstsec']  = $this->getConf('firstseconly');
30        $this->defaults['editbtn']   = $this->getConf('showeditbtn');
31        $this->defaults['taglogos']  = $this->getConf('showtaglogos');
32        $this->defaults['footer']    = $this->getConf('showfooter');
33        $this->defaults['redirect']  = $this->getConf('doredirect');
34        $this->defaults['date']      = $this->getConf('showdate');
35        $this->defaults['user']      = $this->getConf('showuser');
36        $this->defaults['comments']  = $this->getConf('showcomments');
37        $this->defaults['linkbacks'] = $this->getConf('showlinkbacks');
38        $this->defaults['tags']      = $this->getConf('showtags');
39        $this->defaults['link']      = $this->getConf('showlink');
40        $this->defaults['permalink'] = $this->getConf('showpermalink');
41        $this->defaults['indent']    = $this->getConf('doindent');
42        $this->defaults['linkonly']  = $this->getConf('linkonly');
43        $this->defaults['title']     = $this->getConf('title');
44        $this->defaults['pageexists']  = $this->getConf('pageexists');
45        $this->defaults['parlink']   = $this->getConf('parlink');
46        $this->defaults['inline']    = false;
47        $this->defaults['order']     = $this->getConf('order');
48        $this->defaults['rsort']     = $this->getConf('rsort');
49        $this->defaults['depth']     = $this->getConf('depth');
50    }
51
52    /**
53     * Available methods for other plugins
54     */
55    function getMethods() {
56        $result = array();
57        $result[] = array(
58                'name'   => 'get_flags',
59                'desc'   => 'overrides standard values for showfooter and firstseconly settings',
60                'params' => array('flags' => 'array'),
61                );
62        return $result;
63    }
64
65    /**
66     * Overrides standard values for showfooter and firstseconly settings
67     */
68    function get_flags($setflags) {
69        // load defaults
70        $flags = $this->defaults;
71        foreach ($setflags as $flag) {
72            $value = '';
73            if (strpos($flag, '=') !== -1) {
74                list($flag, $value) = explode('=', $flag, 2);
75            }
76            switch ($flag) {
77                case 'footer':
78                    $flags['footer'] = 1;
79                    break;
80                case 'nofooter':
81                    $flags['footer'] = 0;
82                    break;
83                case 'firstseconly':
84                case 'firstsectiononly':
85                    $flags['firstsec'] = 1;
86                    break;
87                case 'fullpage':
88                    $flags['firstsec'] = 0;
89                    break;
90                case 'noheader':
91                    $flags['noheader'] = 1;
92                    break;
93                case 'editbtn':
94                case 'editbutton':
95                    $flags['editbtn'] = 1;
96                    break;
97                case 'noeditbtn':
98                case 'noeditbutton':
99                    $flags['editbtn'] = 0;
100                    break;
101                case 'permalink':
102                    $flags['permalink'] = 1;
103                    break;
104                case 'nopermalink':
105                    $flags['permalink'] = 0;
106                    break;
107                case 'redirect':
108                    $flags['redirect'] = 1;
109                    break;
110                case 'noredirect':
111                    $flags['redirect'] = 0;
112                    break;
113                case 'link':
114                    $flags['link'] = 1;
115                    break;
116                case 'nolink':
117                    $flags['link'] = 0;
118                    break;
119                case 'user':
120                    $flags['user'] = 1;
121                    break;
122                case 'nouser':
123                    $flags['user'] = 0;
124                    break;
125                case 'comments':
126                    $flags['comments'] = 1;
127                    break;
128                case 'nocomments':
129                    $flags['comments'] = 0;
130                    break;
131                case 'linkbacks':
132                    $flags['linkbacks'] = 1;
133                    break;
134                case 'nolinkbacks':
135                    $flags['linkbacks'] = 0;
136                    break;
137                case 'tags':
138                    $flags['tags'] = 1;
139                    break;
140                case 'notags':
141                    $flags['tags'] = 0;
142                    break;
143                case 'date':
144                    $flags['date'] = 1;
145                    break;
146                case 'nodate':
147                    $flags['date'] = 0;
148                    break;
149                case 'indent':
150                    $flags['indent'] = 1;
151                    break;
152                case 'noindent':
153                    $flags['indent'] = 0;
154                    break;
155                case 'linkonly':
156                    $flags['linkonly'] = 1;
157                    break;
158                case 'nolinkonly':
159                case 'include_content':
160                    $flags['linkonly'] = 0;
161                    break;
162                case 'inline':
163                    $flags['inline'] = 1;
164                    break;
165                case 'title':
166                    $flags['title'] = 1;
167                    break;
168                case 'pageexists':
169                    $flags['pageexists'] = 1;
170                    break;
171                case 'existlink':
172                    $flags['pageexists'] = 1;
173                    $flags['linkonly'] = 1;
174                    break;
175                case 'noparlink':
176                    $flags['parlink'] = 0;
177                    break;
178                case 'order':
179                    $flags['order'] = $value;
180                    break;
181                case 'sort':
182                    $flags['rsort'] = 0;
183                    break;
184                case 'rsort':
185                    $flags['rsort'] = 1;
186                    break;
187                case 'depth':
188                    $flags['depth'] = $value;
189                    break;
190            }
191        }
192        // the include_content URL parameter overrides flags
193        if (isset($_REQUEST['include_content']))
194            $flags['linkonly'] = 0;
195        return $flags;
196    }
197
198    /**
199     * Returns the converted instructions of a give page/section
200     *
201     * @author Michael Klier <chi@chimeric.de>
202     * @author Michael Hamann <michael@content-space.de>
203     */
204    function _get_instructions($page, $sect, $mode, $lvl, $flags, $root_id = null) {
205        $key = ($sect) ? $page . '#' . $sect : $page;
206        $this->includes[$key] = true; // legacy code for keeping compatibility with other plugins
207
208        // keep compatibility with other plugins that don't know the $root_id parameter
209        if (is_null($root_id)) {
210            global $ID;
211            $root_id = $ID;
212        }
213
214        if ($flags['linkonly']) {
215            if (page_exists($page) || $flags['pageexists']  == 0) {
216                $title = '';
217                if ($flags['title'])
218                    $title = p_get_first_heading($page);
219                if($flags['parlink']) {
220                    $ins = array(
221                        array('p_open', array()),
222                        array('internallink', array(':'.$key, $title)),
223                        array('p_close', array()),
224                    );
225                } else {
226                    $ins = array(array('internallink', array(':'.$key,$title)));
227                }
228            }else {
229                $ins = array();
230            }
231        } else {
232            if (page_exists($page)) {
233                global $ID;
234                $backupID = $ID;
235                $ID = $page; // Change the global $ID as otherwise plugins like the discussion plugin will save data for the wrong page
236                $ins = p_cached_instructions(wikiFN($page));
237                $ID = $backupID;
238            } else {
239                $ins = array();
240            }
241
242            $this->_convert_instructions($ins, $lvl, $page, $sect, $flags, $root_id);
243        }
244        return $ins;
245    }
246
247    /**
248     * Converts instructions of the included page
249     *
250     * The funcion iterates over the given list of instructions and generates
251     * an index of header and section indicies. It also removes document
252     * start/end instructions, converts links, and removes unwanted
253     * instructions like tags, comments, linkbacks.
254     *
255     * Later all header/section levels are convertet to match the current
256     * inclusion level.
257     *
258     * @author Michael Klier <chi@chimeric.de>
259     */
260    function _convert_instructions(&$ins, $lvl, $page, $sect, $flags, $root_id) {
261        global $conf;
262
263        // filter instructions if needed
264        if(!empty($sect)) {
265            $this->_get_section($ins, $sect);   // section required
266        }
267
268        if($flags['firstsec']) {
269            $this->_get_firstsec($ins, $page);  // only first section
270        }
271
272        $ns  = getNS($page);
273        $num = count($ins);
274
275        $conv_idx = array(); // conversion index
276        $lvl_max  = false;   // max level
277        $first_header = -1;
278        $no_header  = false;
279        $sect_title = false;
280        $endpos     = null; // end position of the raw wiki text
281
282        for($i=0; $i<$num; $i++) {
283            switch($ins[$i][0]) {
284                case 'document_start':
285                case 'document_end':
286                case 'section_edit':
287                    unset($ins[$i]);
288                    break;
289                case 'header':
290                    // get section title of first section
291                    if($sect && !$sect_title) {
292                        $sect_title = $ins[$i][1][0];
293                    }
294                    // check if we need to skip the first header
295                    if((!$no_header) && $flags['noheader']) {
296                        $no_header = true;
297                    }
298
299                    $conv_idx[] = $i;
300                    // get index of first header
301                    if($first_header == -1) $first_header = $i;
302                    // get max level of this instructions set
303                    if(!$lvl_max || ($ins[$i][1][1] < $lvl_max)) {
304                        $lvl_max = $ins[$i][1][1];
305                    }
306                    break;
307                case 'section_open':
308                    if ($flags['inline'])
309                        unset($ins[$i]);
310                    else
311                        $conv_idx[] = $i;
312                    break;
313                case 'section_close':
314                    if ($flags['inline'])
315                        unset($ins[$i]);
316                    break;
317                case 'internallink':
318                case 'internalmedia':
319                    // make sure parameters aren't touched
320                    $link_params = '';
321                    $link_id = $ins[$i][1][0];
322                    $link_parts = explode('?', $link_id, 2);
323                    if (count($link_parts) === 2) {
324                        $link_id = $link_parts[0];
325                        $link_params = $link_parts[1];
326                    }
327                    // resolve the id without cleaning it
328                    $link_id = resolve_id($ns, $link_id, false);
329                    // this id is internal (i.e. absolute) now, add ':' to make resolve_id work again
330                    if ($link_id{0} != ':') $link_id = ':'.$link_id;
331                    // restore parameters
332                    $ins[$i][1][0] = ($link_params != '') ? $link_id.'?'.$link_params : $link_id;
333                    break;
334                case 'plugin':
335                    // FIXME skip other plugins?
336                    switch($ins[$i][1][0]) {
337                        case 'tag_tag':                 // skip tags
338                        case 'discussion_comments':     // skip comments
339                        case 'linkback':                // skip linkbacks
340                        case 'data_entry':              // skip data plugin
341                        case 'meta':                    // skip meta plugin
342                        case 'indexmenu_tag':           // skip indexmenu sort tag
343                        case 'include_sorttag':         // skip include plugin sort tag
344                            unset($ins[$i]);
345                            break;
346                        // adapt indentation level of nested includes
347                        case 'include_include':
348                            if (!$flags['inline'] && $flags['indent'])
349                                $ins[$i][1][1][4] += $lvl;
350                            break;
351                        /*
352                         * if there is already a closelastsecedit instruction (was added by one of the section
353                         * functions), store its position but delete it as it can't be determined yet if it is needed,
354                         * i.e. if there is a header which generates a section edit (depends on the levels, level
355                         * adjustments, $no_header, ...)
356                         */
357                        case 'include_closelastsecedit':
358                            $endpos = $ins[$i][1][1][0];
359                            unset($ins[$i]);
360                            break;
361                    }
362                    break;
363                default:
364                    break;
365            }
366        }
367
368        // calculate difference between header/section level and include level
369        $diff = 0;
370        if (!isset($lvl_max)) $lvl_max = 0; // if no level found in target, set to 0
371        $diff = $lvl - $lvl_max + 1;
372        if ($no_header) $diff -= 1;  // push up one level if "noheader"
373
374        // convert headers and set footer/permalink
375        $hdr_deleted      = false;
376        $has_permalink    = false;
377        $footer_lvl       = false;
378        $contains_secedit = false;
379        $section_close_at = false;
380        foreach($conv_idx as $idx) {
381            if($ins[$idx][0] == 'header') {
382                if ($section_close_at === false) {
383                    // store the index of the first heading (the begin of the first section)
384                    $section_close_at = $idx;
385                }
386
387                if($no_header && !$hdr_deleted) {
388                    unset ($ins[$idx]);
389                    $hdr_deleted = true;
390                    continue;
391                }
392
393                if($flags['indent']) {
394                    $lvl_new = (($ins[$idx][1][1] + $diff) > 5) ? 5 : ($ins[$idx][1][1] + $diff);
395                    $ins[$idx][1][1] = $lvl_new;
396                }
397
398                if($ins[$idx][1][1] <= $conf['maxseclevel'])
399                    $contains_secedit = true;
400
401                // set permalink
402                if($flags['link'] && !$has_permalink && ($idx == $first_header)) {
403                    $this->_permalink($ins[$idx], $page, $sect, $flags);
404                    $has_permalink = true;
405                }
406
407                // set footer level
408                if(!$footer_lvl && ($idx == $first_header) && !$no_header) {
409                    if($flags['indent']) {
410                        $footer_lvl = $lvl_new;
411                    } else {
412                        $footer_lvl = $lvl_max;
413                    }
414                }
415            } else {
416                // it's a section
417                if($flags['indent']) {
418                    $lvl_new = (($ins[$idx][1][0] + $diff) > 5) ? 5 : ($ins[$idx][1][0] + $diff);
419                    $ins[$idx][1][0] = $lvl_new;
420                }
421
422                // check if noheader is used and set the footer level to the first section
423                if($no_header && !$footer_lvl) {
424                    if($flags['indent']) {
425                        $footer_lvl = $lvl_new;
426                    } else {
427                        $footer_lvl = $lvl_max;
428                    }
429                }
430            }
431        }
432
433        // close last open section of the included page if there is any
434        if ($contains_secedit) {
435            array_push($ins, array('plugin', array('include_closelastsecedit', array($endpos))));
436        }
437
438        // add edit button
439        if($flags['editbtn']) {
440            $this->_editbtn($ins, $page, $sect, $sect_title, ($flags['redirect'] ? $root_id : false));
441        }
442
443        // add footer
444        if($flags['footer']) {
445            $ins[] = $this->_footer($page, $sect, $sect_title, $flags, $footer_lvl, $root_id);
446        }
447
448        // wrap content at the beginning of the include that is not in a section in a section
449        if ($lvl > 0 && $section_close_at !== 0 && $flags['indent'] && !$flags['inline']) {
450            if ($section_close_at === false) {
451                $ins[] = array('section_close', array());
452                array_unshift($ins, array('section_open', array($lvl)));
453            } else {
454                $section_close_idx = array_search($section_close_at, array_keys($ins));
455                if ($section_close_idx > 0) {
456                    $before_ins = array_slice($ins, 0, $section_close_idx);
457                    $after_ins = array_slice($ins, $section_close_idx);
458                    $ins = array_merge($before_ins, array(array('section_close', array())), $after_ins);
459                    array_unshift($ins, array('section_open', array($lvl)));
460                }
461            }
462        }
463
464        // add instructions entry wrapper
465        array_unshift($ins, array('plugin', array('include_wrap', array('open', $page, $flags['redirect']))));
466        array_push($ins, array('plugin', array('include_wrap', array('close'))));
467
468        // close previous section if any and re-open after inclusion
469        if($lvl != 0 && $this->sec_close && !$flags['inline']) {
470            array_unshift($ins, array('section_close', array()));
471            $ins[] = array('section_open', array($lvl));
472        }
473    }
474
475    /**
476     * Appends instruction item for the include plugin footer
477     *
478     * @author Michael Klier <chi@chimeric.de>
479     */
480    function _footer($page, $sect, $sect_title, $flags, $footer_lvl, $root_id) {
481        $footer = array();
482        $footer[0] = 'plugin';
483        $footer[1] = array('include_footer', array($page, $sect, $sect_title, $flags, $root_id, $footer_lvl));
484        return $footer;
485    }
486
487    /**
488     * Appends instruction item for an edit button
489     *
490     * @author Michael Klier <chi@chimeric.de>
491     */
492    function _editbtn(&$ins, $page, $sect, $sect_title, $root_id) {
493        $title = ($sect) ? $sect_title : $page;
494        $editbtn = array();
495        $editbtn[0] = 'plugin';
496        $editbtn[1] = array('include_editbtn', array($title));
497        $ins[] = $editbtn;
498    }
499
500    /**
501     * Convert instruction item for a permalink header
502     *
503     * @author Michael Klier <chi@chimeric.de>
504     */
505    function _permalink(&$ins, $page, $sect, $flags) {
506        $ins[0] = 'plugin';
507        $ins[1] = array('include_header', array($ins[1][0], $ins[1][1], $ins[1][2], $page, $sect, $flags));
508    }
509
510    /**
511     * Get a section including its subsections
512     *
513     * @author Michael Klier <chi@chimeric.de>
514     */
515    function _get_section(&$ins, $sect) {
516        $num = count($ins);
517        $offset = false;
518        $lvl    = false;
519        $end    = false;
520        $endpos = null; // end position in the input text, needed for section edit buttons
521
522        $check = array(); // used for sectionID() in order to get the same ids as the xhtml renderer
523
524        for($i=0; $i<$num; $i++) {
525            if ($ins[$i][0] == 'header') {
526
527                // found the right header
528                if (sectionID($ins[$i][1][0], $check) == $sect) {
529                    $offset = $i;
530                    $lvl    = $ins[$i][1][1];
531                } elseif ($offset && $lvl && ($ins[$i][1][1] <= $lvl)) {
532                    $end = $i - $offset;
533                    $endpos = $ins[$i][1][2]; // the position directly after the found section, needed for the section edit button
534                    break;
535                }
536            }
537        }
538        $offset = $offset ? $offset : 0;
539        $end = $end ? $end : ($num - 1);
540        if(is_array($ins)) {
541            $ins = array_slice($ins, $offset, $end);
542            // store the end position in the include_closelastsecedit instruction so it can generate a matching button
543            $ins[] = array('plugin', array('include_closelastsecedit', array($endpos)));
544        }
545    }
546
547    /**
548     * Only display the first section of a page and a readmore link
549     *
550     * @author Michael Klier <chi@chimeric.de>
551     */
552    function _get_firstsec(&$ins, $page) {
553        $num = count($ins);
554        $first_sect = false;
555        $endpos = null; // end position in the input text
556        for($i=0; $i<$num; $i++) {
557            if($ins[$i][0] == 'section_close') {
558                $first_sect = $i;
559            }
560            if ($ins[$i][0] == 'header') {
561                /*
562                 * Store the position of the last header that is encountered. As section_close/open-instruction are
563                 * always (unless some plugin modifies this) around a header instruction this means that the last
564                 * position that is stored here is exactly the position of the section_close/open at which the content
565                 * is truncated.
566                 */
567                $endpos = $ins[$i][1][2];
568            }
569            // only truncate the content and add the read more link when there is really
570            // more than that first section
571            if(($first_sect) && ($ins[$i][0] == 'section_open')) {
572                $ins = array_slice($ins, 0, $first_sect);
573                $ins[] = array('plugin', array('include_readmore', array($page)));
574                $ins[] = array('section_close', array());
575                // store the end position in the include_closelastsecedit instruction so it can generate a matching button
576                $ins[] = array('plugin', array('include_closelastsecedit', array($endpos)));
577                return;
578            }
579        }
580    }
581
582    /**
583     * Gives a list of pages for a given include statement
584     *
585     * @author Michael Hamann <michael@content-space.de>
586     */
587    function _get_included_pages($mode, $page, $sect, $parent_id, $flags) {
588        global $conf;
589        $pages = array();
590        switch($mode) {
591        case 'namespace':
592            $page  = cleanID($page);
593            $ns    = utf8_encodeFN(str_replace(':', '/', $page));
594            // depth is absolute depth, not relative depth, but 0 has a special meaning.
595            $depth = $flags['depth'] ? $flags['depth'] + substr_count($page, ':') + ($page ? 1 : 0) : 0;
596            search($pagearrays, $conf['datadir'], 'search_allpages', array('depth' => $depth), $ns);
597            if (is_array($pagearrays)) {
598                foreach ($pagearrays as $pagearray) {
599                    if (!isHiddenPage($pagearray['id'])) // skip hidden pages
600                        $pages[] = $pagearray['id'];
601                }
602            }
603            break;
604        case 'tagtopic':
605            if (!$this->taghelper)
606                $this->taghelper =& plugin_load('helper', 'tag');
607            if(!$this->taghelper) {
608                msg('You have to install the tag plugin to use this functionality!', -1);
609                return array();
610            }
611            $tag   = $page;
612            $sect  = '';
613            $pagearrays = $this->taghelper->getTopic('', null, $tag);
614            foreach ($pagearrays as $pagearray) {
615                $pages[] = $pagearray['id'];
616            }
617            break;
618        default:
619            $page = $this->_apply_macro($page);
620            resolve_pageid(getNS($parent_id), $page, $exists); // resolve shortcuts and clean ID
621            if (auth_quickaclcheck($page) >= AUTH_READ)
622                $pages[] = $page;
623        }
624
625        if (count($pages) > 1) {
626            if ($flags['order'] === 'id') {
627                if ($flags['rsort']) {
628                    rsort($pages);
629                } else {
630                    sort($pages);
631                }
632            } else {
633                $ordered_pages = array();
634                foreach ($pages as $page) {
635                    $key = '';
636                    switch ($flags['order']) {
637                        case 'title':
638                            $key = p_get_first_heading($page);
639                            break;
640                        case 'created':
641                            $key = p_get_metadata($page, 'date created', METADATA_DONT_RENDER);
642                            break;
643                        case 'modified':
644                            $key = p_get_metadata($page, 'date modified', METADATA_DONT_RENDER);
645                            break;
646                        case 'indexmenu':
647                            $key = p_get_metadata($page, 'indexmenu_n', METADATA_RENDER_USING_SIMPLE_CACHE);
648                            if ($key === null)
649                                $key = '';
650                            break;
651                        case 'custom':
652                            $key = p_get_metadata($page, 'include_n', METADATA_RENDER_USING_SIMPLE_CACHE);
653                            if ($key === null)
654                                $key = '';
655                            break;
656                    }
657                    $key .= '_'.$page;
658                    $ordered_pages[$key] = $page;
659                }
660                if ($flags['rsort']) {
661                    krsort($ordered_pages);
662                } else {
663                    ksort($ordered_pages);
664                }
665                $pages = $ordered_pages;
666            }
667        }
668
669        $result = array();
670        foreach ($pages as $page) {
671            $exists = page_exists($page);
672            $result[] = array('id' => $page, 'exists' => $exists, 'parent_id' => $parent_id);
673        }
674        return $result;
675    }
676
677    /**
678     * This function generates the list of all included pages from a list of metadata
679     * instructions.
680     */
681    function _get_included_pages_from_meta_instructions($instructions) {
682        $pages = array();
683        foreach ($instructions as $instruction) {
684            $mode      = $instruction['mode'];
685            $page      = $instruction['page'];
686            $sect      = $instruction['sect'];
687            $parent_id = $instruction['parent_id'];
688            $flags     = $instruction['flags'];
689            $pages = array_merge($pages, $this->_get_included_pages($mode, $page, $sect, $parent_id, $flags));
690        }
691        return $pages;
692    }
693
694    /**
695     * Makes user or date dependent includes possible
696     */
697    function _apply_macro($id) {
698        global $INFO;
699        global $auth;
700
701        // if we don't have an auth object, do nothing
702        if (!$auth) return $id;
703
704        $user     = $_SERVER['REMOTE_USER'];
705        $group    = $INFO['userinfo']['grps'][0];
706
707        $time_stamp = time();
708        if(preg_match('/@DATE(\w+)@/',$id,$matches)) {
709            switch($matches[1]) {
710            case 'PMONTH':
711                $time_stamp = strtotime("-1 month");
712                break;
713            case 'NMONTH':
714                $time_stamp = strtotime("+1 month");
715                break;
716            case 'NWEEK':
717                $time_stamp = strtotime("+1 week");
718                break;
719            case 'PWEEK':
720                $time_stamp = strtotime("-1 week");
721                break;
722            case 'TOMORROW':
723                $time_stamp = strtotime("+1 day");
724                break;
725            case 'YESTERDAY':
726                $time_stamp = strtotime("-1 day");
727                break;
728            case 'NYEAR':
729                $time_stamp = strtotime("+1 year");
730                break;
731            case 'PYEAR':
732                $time_stamp = strtotime("-1 year");
733                break;
734            }
735            $id = preg_replace('/@DATE(\w+)@/','', $id);
736        }
737
738        $replace = array(
739                '@USER@'  => cleanID($user),
740                '@NAME@'  => cleanID($INFO['userinfo']['name']),
741                '@GROUP@' => cleanID($group),
742                '@YEAR@'  => date('Y',$time_stamp),
743                '@MONTH@' => date('m',$time_stamp),
744                '@WEEK@' => date('W',$time_stamp),
745                '@DAY@'   => date('d',$time_stamp),
746                '@YEARPMONTH@' => date('Ym',strtotime("-1 month")),
747                '@PMONTH@' => date('m',strtotime("-1 month")),
748                '@NMONTH@' => date('m',strtotime("+1 month")),
749                '@YEARNMONTH@' => date('Ym',strtotime("+1 month")),
750                '@YEARPWEEK@' => date('YW',strtotime("-1 week")),
751                '@PWEEK@' => date('W',strtotime("-1 week")),
752                '@NWEEK@' => date('W',strtotime("+1 week")),
753                '@YEARNWEEK@' => date('YW',strtotime("+1 week")),
754                );
755        return str_replace(array_keys($replace), array_values($replace), $id);
756    }
757}
758// vim:ts=4:sw=4:et:
759