3 * Copyright 1999-2008 $ThePhpWikiProgrammingTeam
4 * Copyright 2008-2009 Marc-Etienne Vargenau, Alcatel-Lucent
6 * This file is part of PhpWiki.
8 * PhpWiki is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * PhpWiki is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with PhpWiki; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 Standard functions for Wiki functionality
25 WikiURL ($pagename, $args, $get_abs_url)
27 IconForLink ($protocol_or_url)
28 PossiblyGlueIconToText($proto_or_url, $text)
30 LinkURL ($url, $linktext)
31 LinkImage ($url, $alt)
32 ImgObject ($img, $url)
34 SplitQueryArgs ($query_args)
35 LinkPhpwikiURL ($url, $text, $basepage)
36 ConvertOldMarkup ($content, $markup_type = "block")
37 MangleXmlIdentifier($str)
39 class Stack { push($item), pop(), cnt(), top() }
40 class Alert { show() }
41 class WikiPageName {getParent(),isValid(),getWarnings() }
43 expand_tabs($str, $tab_width = 8)
45 NoSuchRevision ($request, $page, $version)
46 TimezoneOffset ($time, $no_colon)
47 Iso8601DateTime ($time)
48 Rfc2822DateTime ($time)
49 ParseRfc1123DateTime ($timestr)
51 ByteFormatter ($bytes = 0, $longformat = false)
54 __vsprintf ($fmt, $args)
56 file_mtime ($filename)
57 sort_file_mtime ($a, $b)
58 class fileSet {fileSet($directory, $filepattern = false),
59 getFiles($exclude='', $sortby='', $limit='') }
60 class ListRegexExpand { listMatchCallback($item, $key),
61 expandRegex ($index, &$pages) }
64 glob_match ($glob, $against, $case_sensitive = true)
65 explodeList ($input, $allnames, $glob_style = true, $case_sensitive = true)
66 explodePageList ($input, $perm = false)
68 can ($object, $method)
69 function_usable ($function_name)
71 better_srand ($seed = '')
74 subPageSlice ($pagename, $pos)
75 isActionPage ($filename)
79 obj2hash ($obj, $exclude = false, $fields = false)
82 url_get_contents ($uri)
84 firstNWordsOfContent ($n, $content)
85 extractSection ($section, $content, $page, $quiet = false, $sectionhead = false)
88 charset_convert($from, $to, $data)
89 string_starts_with($string, $prefix)
90 string_ends_with($string, $suffix)
91 array_remove($arr,$value)
92 longer_timeout($secs=30)
95 binary_search($needle, $haystack)
97 javascript_quote_string($s)
100 parse_attributes($line)
104 function: linkExistingWikiWord($wikiword, $linktext, $version)
105 moved to: lib/WikiTheme.php
107 if (defined('_PHPWIKI_STDLIB_LOADED')) return;
108 else define('_PHPWIKI_STDLIB_LOADED', true);
110 if (!defined('MAX_PAGENAME_LENGTH')) {
111 define('MAX_PAGENAME_LENGTH', 100);
115 * Convert string to a valid XML identifier.
117 * XML 1.0 identifiers are of the form: [A-Za-z][A-Za-z0-9:_.-]*
119 * We would like to have, e.g. named anchors within wiki pages
120 * names like "Table of Contents" --- clearly not a valid XML
121 * fragment identifier.
123 * This function implements a one-to-one map from {any string}
124 * to {valid XML identifiers}.
127 * converting all bytes not in [A-Za-z0-9:_-],
128 * and any leading byte not in [A-Za-z] to 'xbb.',
129 * where 'bb' is the hexadecimal representation of the
132 * As a special case, the empty string is converted to 'empty.'
137 function MangleXmlIdentifier($str)
142 return preg_replace('/[^-_:A-Za-z0-9]|(?<=^)[^A-Za-z]/e',
143 "'x' . sprintf('%02x', ord('\\0')) . '.'",
148 * Returns a name for the WIKI_ID cookie that should be unique on the host.
149 * But for it to be unique you must have set a unique WIKI_NAME in your
150 * configuration file.
151 * @return string The name of the WIKI_ID cookie to use for this wiki.
153 function getCookieName()
155 return preg_replace("/[^\d\w]/", "_", WIKI_NAME) . "_WIKI_ID";
159 * Generates a valid URL for a given Wiki pagename.
160 * @param mixed $pagename If a string this will be the name of the Wiki page to link to.
161 * If a WikiDB_Page object function will extract the name to link to.
162 * If a WikiDB_PageRevision object function will extract the name to link to.
164 * @param boolean $get_abs_url Default value is false.
165 * @return string The absolute URL to the page passed as $pagename.
167 function WikiURL($pagename, $args = '', $get_abs_url = false)
169 global $request, $WikiTheme;
172 if (is_object($pagename)) {
173 if (isa($pagename, 'WikiDB_Page')) {
174 $pagename = $pagename->getName();
175 } elseif (isa($pagename, 'WikiDB_PageRevision')) {
176 $page = $pagename->getPage();
177 $args['version'] = $pagename->getVersion();
178 $pagename = $page->getName();
179 } elseif (isa($pagename, 'WikiPageName')) {
180 $anchor = $pagename->anchor;
181 $pagename = $pagename->name;
183 $anchor = $pagename->anchor;
184 $pagename = $pagename->name;
187 if (!$get_abs_url and DEBUG and $request->getArg('start_debug')) {
189 $args = 'start_debug=' . $request->getArg('start_debug');
190 elseif (is_array($args))
191 $args['start_debug'] = $request->getArg('start_debug'); else
192 $args .= '&start_debug=' . $request->getArg('start_debug');
194 if (is_array($args)) {
196 foreach ($args as $key => $val) {
197 // avoid default args
198 if (USE_PATH_INFO and $key == 'pagename')
200 elseif ($key == 'action' and $val == 'browse')
201 ; elseif (!is_array($val)) // ugly hack for getURLtoSelf() which also takes POST vars
202 $enc_args[] = urlencode($key) . '=' . urlencode($val);
204 $args = join('&', $enc_args);
207 if (USE_PATH_INFO or !empty($WikiTheme->HTML_DUMP_SUFFIX)) {
208 $url = $get_abs_url ? (SERVER_URL . VIRTUAL_PATH . "/") : "";
209 $base = preg_replace('/%2f/i', '/', rawurlencode($pagename));
211 if (!empty($WikiTheme->HTML_DUMP_SUFFIX)) {
212 if (!empty($WikiTheme->VALID_LINKS) and $request->getArg('action') == 'pdf') {
213 if (!in_array($pagename, $WikiTheme->VALID_LINKS))
216 $url = $base . $WikiTheme->HTML_DUMP_SUFFIX;
218 $url .= $WikiTheme->HTML_DUMP_SUFFIX;
227 $url = $get_abs_url ? SERVER_URL . SCRIPT_NAME : basename(SCRIPT_NAME);
228 $url .= "?pagename=" . rawurlencode($pagename);
233 $url .= "#" . MangleXmlIdentifier($anchor);
237 /** Convert relative URL to absolute URL.
239 * This converts a relative URL to one of PhpWiki's support files
240 * to an absolute one.
243 * @return string Absolute URL
245 function AbsoluteURL($url)
247 if (preg_match('/^https?:/', $url))
249 if ($url[0] != '/') {
250 $base = USE_PATH_INFO ? VIRTUAL_PATH : dirname(SCRIPT_NAME);
251 while ($base != '/' and substr($url, 0, 3) == "../") {
252 $url = substr($url, 3);
253 $base = dirname($base);
259 return SERVER_URL . $url;
262 function DataURL($url)
264 if (preg_match('/^https?:/', $url))
266 $url = NormalizeWebFileName($url);
267 if (DEBUG and $GLOBALS['request']->getArg('start_debug') and substr($url, -4, 4) == '.php')
268 $url .= "?start_debug=1"; // XMLRPC and SOAP debugging helper.
269 return AbsoluteURL($url);
273 * Generates icon in front of links.
275 * @param string $protocol_or_url URL or protocol to determine which icon to use.
277 * @return HtmlElement HtmlElement object that contains data to create img link to
278 * icon for use with url or protocol passed to the function. False if no img to be
281 function IconForLink($protocol_or_url)
284 if (0 and $filename_suffix == false) {
285 // display apache style icon for file type instead of protocol icon
286 // - archive: unix:gz,bz2,tgz,tar,z; mac:dmg,dmgz,bin,img,cpt,sit; pc:zip;
287 // - document: html, htm, text, txt, rtf, pdf, doc
288 // - non-inlined image: jpg,jpeg,png,gif,tiff,tif,swf,pict,psd,eps,ps
289 // - audio: mp3,mp2,aiff,aif,au
290 // - multimedia: mpeg,mpg,mov,qt
292 list ($proto) = explode(':', $protocol_or_url, 2);
293 $src = $WikiTheme->getLinkIconURL($proto);
295 return HTML::img(array('src' => $src, 'alt' => "", 'class' => 'linkicon'));
302 * Glue icon in front of or after text.
303 * Pref: 'noLinkIcons' - ignore icon if set
304 * WikiTheme: 'LinkIcons' - 'yes' at front
305 * - 'no' display no icon
306 * - 'front' display at left
307 * - 'after' display at right
309 * @param string $protocol_or_url Protocol or URL. Used to determine the
311 * @param string $text The text.
312 * @return XmlContent.
314 function PossiblyGlueIconToText($proto_or_url, $text)
316 global $request, $WikiTheme;
317 if ($request->getPref('noLinkIcons'))
319 $icon = IconForLink($proto_or_url);
322 if ($where = $WikiTheme->getLinkIconAttr()) {
323 if ($where == 'no') return $text;
324 if ($where != 'after') $where = 'front';
328 if ($where == 'after') {
329 // span the icon only to the last word (tie them together),
330 // to let the previous words wrap on line breaks.
331 if (!is_object($text)) {
332 preg_match('/^(\s*\S*)(\s*)$/', $text, $m);
333 list (, $prefix, $last_word) = $m;
338 $text = HTML::span(array('style' => 'white-space: nowrap'),
339 $last_word, HTML::Raw(' '), $icon);
341 $text = HTML($prefix, $text);
344 // span the icon only to the first word (tie them together),
345 // to let the next words wrap on line breaks
346 if (!is_object($text)) {
347 preg_match('/^\s*(\S*)(.*?)\s*$/', $text, $m);
348 list (, $first_word, $tail) = $m;
353 $text = HTML::span(array('style' => 'white-space: nowrap'),
356 $text = HTML($text, $tail);
361 * Determines if the url passed to function is safe, by detecting if the characters
362 * '<', '>', or '"' are present.
363 * Check against their urlencoded values also.
365 * @param string $url URL to check for unsafe characters.
366 * @return boolean True if same, false else.
368 function IsSafeURL($url)
370 return !preg_match('/([<>"])|(%3C)|(%3E)|(%22)/', $url);
374 * Generates an HtmlElement object to store data for a link.
376 * @param string $url URL that the link will point to.
377 * @param string $linktext Text to be displayed as link.
378 * @return HtmlElement HtmlElement object that contains data to construct an html link.
380 function LinkURL($url, $linktext = '')
382 // FIXME: Is this needed (or sufficient?)
383 if (!IsSafeURL($url)) {
384 $link = HTML::span(array('class' => 'error'), _('Bad URL -- remove all of <, >, "'));
388 $linktext = preg_replace("/mailto:/A", "", $url);
389 $args = array('href' => $url);
390 if (defined('EXTERNAL_LINK_TARGET')) // can also be set in the css
391 $args['target'] = (is_string(EXTERNAL_LINK_TARGET) and (EXTERNAL_LINK_TARGET != "")) ? EXTERNAL_LINK_TARGET : "_blank";
392 $link = HTML::a($args, PossiblyGlueIconToText($url, $linktext));
394 $link->setAttr('class', $linktext ? 'namedurl' : 'rawurl');
401 * Syntax: [image.png size=50% border=n align= hspace= vspace= width= height=]
402 * Disallows sizes which are too small.
403 * Spammers may use such (typically invisible) image attributes to raise their GoogleRank.
405 * Handle embeddable objects, like svg, class, vrml, swf, svgz, pdf, avi, wmv especially.
407 function LinkImage($url, $alt = "")
409 $force_img = "png|jpg|gif|jpeg|bmp|pl|cgi";
410 // Disallow tags in img src urls. Typical CSS attacks.
411 // FIXME: Is this needed (or sufficient?)
412 // FIXED: This was broken for moniker:TP30 test/image.png => url="moniker:TP30" attr="test/image.png"
414 // support new syntax: [prefix/image.jpg size=50% border=n]
419 $arr = explode(' ', $url);
420 if (!empty($arr)) $url = $arr[0];
421 if (!IsSafeURL($url)) {
422 $link = HTML::span(array('class' => 'error'), _('Bad URL for image -- remove all of <, >, "'));
425 // spaces in inline images must be %20 encoded!
426 $link = HTML::img(array('src' => $url));
428 // Extract attributes
429 $arr = parse_attributes(strstr($ori_url, " "));
430 foreach ($arr as $attr => $value) {
431 // These attributes take strings: lang, id, title, alt
432 if (($attr == "lang")
434 || ($attr == "title")
437 $link->setAttr($attr, $value);
438 } // align = bottom|middle|top|left|right
439 // we allow "center" as synonym for "middle"
440 elseif (($attr == "align")
441 && (($value == "bottom")
442 || ($value == "middle")
443 || ($value == "center")
445 || ($value == "left")
446 || ($value == "right"))
448 if ($value == "center") {
451 $link->setAttr($attr, $value);
452 } // These attributes take a number (pixels): border, hspace, vspace
453 elseif ((($attr == "border") || ($attr == "hspace") || ($attr == "vspace"))
454 && (is_numeric($value))
456 $link->setAttr($attr, (int)$value);
457 } // These attributes take a number (pixels) or a percentage: height, width
458 elseif ((($attr == "height") || ($attr == "width"))
459 && (preg_match('/\d+[%p]?x?/', $value))
461 $link->setAttr($attr, $value);
462 } // We allow size=50% and size=20x30
463 // We replace this with "width" and "height" HTML attributes
464 elseif ($attr == "size") {
465 if (preg_match('/(\d+%)/', $value, $m)) {
466 $link->setAttr('width', $m[1]);
467 $link->setAttr('height', $m[1]);
468 } elseif (preg_match('/(\d+)x(\d+)/', $value, $m)) {
469 $link->setAttr('width', $m[1]);
470 $link->setAttr('height', $m[2]);
473 $url = substr(strrchr($ori_url, "/"), 1);
474 $link = HTML::span(array('class' => 'error'),
475 sprintf(_("Invalid attribute %s=%s for image %s"),
476 $attr, $value, $url));
480 // Correct silently the most common error
481 if ($url != $ori_url and empty($arr) and !preg_match("/^http/", $url)) {
482 // space belongs to the path
483 $file = NormalizeLocalFileName($ori_url);
484 if (file_exists($file)) {
485 $link = HTML::img(array('src' => $ori_url));
487 sprintf(_("Invalid image link fixed %s => %s. Spaces must be quoted with %%20."),
488 $url, $ori_url), E_USER_WARNING);
489 } elseif (string_starts_with($ori_url, getUploadDataPath())) {
490 $file = substr($file, strlen(getUploadDataPath()));
491 $path = getUploadFilePath() . $file;
492 if (file_exists($path)) {
493 trigger_error(sprintf(_("Invalid image link fixed \"%s\" => \"%s\".\n Spaces must be quoted with %%20."),
494 $url, $ori_url), E_USER_WARNING);
495 $link->setAttr('src', getUploadDataPath() . $file);
500 if (!$link->getAttr('alt')) {
501 $link->setAttr('alt', $alt);
503 // Check width and height as spam countermeasure
504 if (($width = $link->getAttr('width')) and ($height = $link->getAttr('height'))) {
505 //$width = (int) $width; // px or % or other suffix
506 //$height = (int) $height;
507 if (($width < 3 and $height < 10) or
508 ($height < 3 and $width < 20) or
509 ($height < 7 and $width < 7)
511 $link = HTML::span(array('class' => 'error'),
512 _("Invalid image size"));
517 // Prepare for getimagesize($url)
518 // $url only valid for external urls, otherwise local path
519 if (DISABLE_GETIMAGESIZE)
521 elseif (!preg_match("/\.$force_img$/i", $url))
522 ; // only valid image extensions or scripts assumed to generate images
523 elseif (preg_match("/^http/", $url)) { // external url
524 $size = @getimagesize($url);
525 } else { // local file
526 if (file_exists($file = NormalizeLocalFileName($url))) { // here
527 $size = @getimagesize($file);
528 } elseif (file_exists(NormalizeLocalFileName(urldecode($url)))) {
529 $size = @getimagesize($file);
530 $link->setAttr('src', rawurldecode($url));
531 } elseif (string_starts_with($url, getUploadDataPath())) { // there
532 $file = substr($file, strlen(getUploadDataPath()));
533 $path = getUploadFilePath() . rawurldecode($file);
534 $size = @getimagesize($path);
535 $link->setAttr('src', getUploadDataPath() . rawurldecode($file));
536 } else { // elsewhere
538 $size = @getimagesize($request->get('DOCUMENT_ROOT') . urldecode($url));
544 if (($width < 3 and $height < 10)
545 or ($height < 3 and $width < 20)
546 or ($height < 7 and $width < 7)
548 $link = HTML::span(array('class' => 'error'),
549 _("Invalid image size"));
554 $link->setAttr('class', 'inlineimage');
556 /* Check for inlined objects. Everything allowed in INLINE_IMAGES besides
557 * png|jpg|gif|jpeg|bmp|pl|cgi. If no image it is an object to embed.
558 * Note: Allow cgi's (pl,cgi) returning images.
560 if (!preg_match("/\.(" . $force_img . ")/i", $ori_url)) {
561 // HTML::img(array('src' => $url, 'alt' => $alt, 'title' => $alt));
562 // => HTML::object(array('src' => $url)) ...;
563 return ImgObject($link, $ori_url);
569 * <object> / <embed> tags instead of <img> for all non-image extensions
571 * Called by LinkImage(), not directly.
572 * Syntax: [image.svg size=50% alt=image.gif border=n align= hspace= vspace= width= height=]
573 * Samples: [Upload:song.mp3 type=audio/mpeg width=200 height=10]
574 * $alt may be an alternate img
575 * TODO: Need to unify with WikiPluginCached::embedObject()
577 * Note that Safari 1.0 will crash with <object>, so use only <embed>
578 * http://www.alleged.org.uk/pdc/2002/svg-object.html
580 * Allowed object tags:
582 * DATA=URI (object data)
583 * CLASSID=URI (location of implementation)
584 * ARCHIVE=CDATA (archive files)
585 * CODEBASE=URI (base URI for CLASSID, DATA, ARCHIVE)
586 * WIDTH=Length (object width)
587 * HEIGHT=Length (object height)
588 * NAME=CDATA (name for form submission)
589 * USEMAP=URI (client-side image map)
590 * TYPE=ContentType (content-type of object)
591 * CODETYPE=ContentType (content-type of code)
592 * STANDBY=Text (message to show while loading)
593 * TABINDEX=NUMBER (position in tabbing order)
594 * DECLARE (do not instantiate object)
595 * The rest is added as <param name="" value="" /> tags
597 function ImgObject($img, $url)
599 // get the url args: data="sample.svgz" type="image/svg+xml" width="400" height="300"
600 $params = explode(",", "id,width,height,data,classid,archive,codebase,name,usemap,type," .
601 "codetype,standby,tabindex,declare");
602 if (is_array($url)) {
605 foreach ($args as $attr => $value) {
606 foreach ($params as $param) {
607 if ($param == $attr) {
608 $img->setAttr($param, $value);
609 if (isset($found[$param])) $found[$param]++;
610 else $found[$param] = 1;
615 // now all remaining args are added as <param> to the object
617 foreach ($args as $attr => $value) {
618 if (!isset($found[$attr])) {
619 $params[] = HTML::param(array('name' => $attr,
623 $url = $img->getAttr('src');
624 $force_img = "png|jpg|gif|jpeg|bmp";
625 if (!preg_match("/\.(" . $force_img . ")/i", $url)) {
626 $img->setAttr('src', false);
629 $args = explode(' ', $url);
630 if (count($args) >= 1) {
631 $url = array_shift($args);
633 foreach ($args as $attr) {
634 foreach ($params as $param) {
635 if (preg_match("/^$param=(\S+)$/i", $attr, $m)) {
636 $img->setAttr($param, $m[1]);
637 if (isset($found[$param])) $found[$param]++;
638 else $found[$param] = 1;
643 // now all remaining args are added as <param> to the object
645 foreach ($args as $attr) {
646 if (!isset($found[$attr]) and preg_match("/^(\S+)=(\S+)$/i", $attr, $m)) {
647 $params[] = HTML::param(array('name' => $m[1],
653 $type = $img->getAttr('type');
655 if (function_exists('mime_content_type') && file_exists($url)) {
656 $type = mime_content_type($url);
659 $object = HTML::object(array_merge($img->_attr,
660 array('type' => $type)), //'src' => $url
662 $object->setAttr('class', 'inlineobject');
664 foreach ($params as $param) $object->pushContent($param);
666 if (isBrowserSafari() and !isBrowserSafari(532)) { // recent chrome can do OBJECT
667 return HTML::embed($object->_attr, $object->_content);
669 $object->pushContent(HTML::embed($object->_attr));
677 $this->items = array();
683 $this->items[$this->size] = $item;
690 if ($this->size == 0) {
691 return false; // stack is empty
694 return $this->items[$this->size];
705 return $this->items[$this->size - 1];
712 // end class definition
714 function SplitQueryArgs($query_args = '')
716 // FIXME: use the arg-seperator which might not be &
717 $split_args = explode('&', $query_args);
719 while (list($key, $val) = each($split_args))
720 if (preg_match('/^ ([^=]+) =? (.*) /x', $val, $m))
721 $args[$m[1]] = $m[2];
725 function LinkPhpwikiURL($url, $text = '', $basepage = false)
729 if (!preg_match('/^ phpwiki: ([^?]*) [?]? (.*) $/x', $url, $m)) {
730 return HTML::span(array('class' => 'error'), _("BAD phpwiki: URL"));
734 $pagename = urldecode($m[1]);
737 if (empty($pagename) &&
738 preg_match('/^(diff|edit|links|info)=([^&]+)$/', $qargs, $m)
740 // Convert old style links (to not break diff links in
742 $pagename = urldecode($m[2]);
743 $args = array("action" => $m[1]);
745 $args = SplitQueryArgs($qargs);
748 if (empty($pagename))
749 $pagename = $GLOBALS['request']->getArg('pagename');
751 if (isset($args['action']) && $args['action'] == 'browse')
752 unset($args['action']);
755 if (empty($args['action']))
757 else if (is_safe_action($args['action']))
758 $class = 'wikiaction';
760 if (empty($args['action']) || is_safe_action($args['action']))
761 $class = 'wikiaction';
763 // Don't allow administrative links on unlocked pages.
764 $dbi = $GLOBALS['request']->getDbh();
765 $page = $dbi->getPage($basepage ? $basepage : $pagename);
766 if (!$page->get('locked'))
767 return HTML::span(array('class' => 'wikiunsafe'),
768 HTML::u(_("Lock page to enable link")));
769 $class = 'wikiadmin';
773 $text = HTML::span(array('class' => 'rawurl'), $url);
775 $wikipage = new WikiPageName($pagename);
776 if (!$wikipage->isValid()) {
778 return $WikiTheme->linkBadWikiWord($wikipage, $url);
781 return HTML::a(array('href' => WikiURL($pagename, $args),
787 * A class to assist in parsing wiki pagenames.
789 * Now with subpages and anchors, parsing and passing around
790 * pagenames is more complicated. This should help.
794 /** Short name for page.
796 * This is the value of $name passed to the constructor.
797 * (For use, e.g. as a default label for links to the page.)
801 /** The full page name.
803 * This is the full name of the page (without anchor).
809 * This is the referenced anchor within the page, or the empty string.
815 * @param mixed $name Page name.
816 * WikiDB_Page, WikiDB_PageRevision, or string.
817 * This can be a relative subpage name (like '/SubPage'),
818 * or can be the empty string to refer to the $basename.
820 * @param string $anchor For links to anchors in page.
822 * @param mixed $basename Page name from which to interpret
823 * relative or other non-fully-specified page names.
825 function WikiPageName($name, $basename = false, $anchor = false)
827 if (is_string($name)) {
828 $this->shortName = $name;
829 if (strstr($name, ':')) {
830 list($moniker, $shortName) = explode(":", $name, 2);
831 $map = getInterwikiMap(); // allow overrides to custom maps
832 if (isset($map->_map[$moniker])) {
833 $url = $map->_map[$moniker];
834 if (strstr($url, '%s'))
835 $url = sprintf($url, $shortName);
839 // expand Talk or User, but not to absolute urls!
840 if (strstr($url, '//')) {
841 if ($moniker == 'Talk')
842 $name = $name . SUBPAGE_SEPARATOR . _("Discussion");
843 elseif ($moniker == 'User')
848 if (strstr($shortName, '?')) {
849 list($shortName, $dummy) = explode("\?", $shortName, 2);
851 $this->shortName = $shortName;
854 // FIXME: We should really fix the cause for "/PageName" in the WikiDB
855 if ($name == '' or $name[0] == SUBPAGE_SEPARATOR) {
857 $name = $this->_pagename($basename) . $name;
859 $name = $this->_normalize_bad_pagename($name);
860 $this->shortName = $name;
864 $name = $this->_pagename($name);
865 $this->shortName = $name;
868 $this->name = $this->_check($name);
869 $this->anchor = (string)$anchor;
880 if (!($tail = strrchr($name, SUBPAGE_SEPARATOR)))
882 return substr($name, 0, -strlen($tail));
885 function isValid($strict = false)
888 return !isset($this->_errors);
889 return (is_string($this->name) and $this->name != '');
892 function getWarnings()
895 if (isset($this->_warnings))
896 $warnings = array_merge($warnings, $this->_warnings);
897 if (isset($this->_errors))
898 $warnings = array_merge($warnings, $this->_errors);
902 return sprintf(_("“%s”: Bad page name: %s"),
903 $this->shortName, join(', ', $warnings));
906 function _pagename($page)
908 if (isa($page, 'WikiDB_Page'))
909 return $page->getName();
910 elseif (isa($page, 'WikiDB_PageRevision'))
911 return $page->getPageName(); elseif (isa($page, 'WikiPageName'))
913 // '0' or e.g. '1984' should be allowed though
914 if (!is_string($page) and !is_integer($page)) {
915 trigger_error(sprintf("Non-string pagename “%s” (%s)(%s)",
916 $page, gettype($page), get_class($page)),
919 //assert(is_string($page));
923 function _normalize_bad_pagename($name)
925 trigger_error("Bad pagename: " . $name, E_USER_WARNING);
927 // Punt... You really shouldn't get here.
930 return $request->getArg('pagename');
932 assert($name[0] == SUBPAGE_SEPARATOR);
933 $this->_errors[] = sprintf(_("Leading %s not allowed"), SUBPAGE_SEPARATOR);
934 return substr($name, 1);
938 * Compress internal white-space to single space character.
940 * This leads to problems with loading a foreign charset pagename,
941 * which cannot be deleted anymore, because unknown chars are compressed.
942 * So BEFORE importing a file _check must be done !!!
944 function _check($pagename)
946 // Compress internal white-space to single space character.
947 $pagename = preg_replace('/[\s\xa0]+/', ' ', $orig = $pagename);
948 if ($pagename != $orig)
949 $this->_warnings[] = _("White space converted to single space");
951 // Delete any control characters.
952 if (DATABASE_TYPE == 'cvs' or DATABASE_TYPE == 'file' or DATABASE_TYPE == 'flatfile') {
953 $pagename = preg_replace('/[\x00-\x1f\x7f\x80-\x9f]/', '', $orig = $pagename);
954 if ($pagename != $orig)
955 $this->_errors[] = _("Control characters not allowed");
958 // Strip leading and trailing white-space.
959 $pagename = trim($pagename);
962 while ($pagename and $pagename[0] == SUBPAGE_SEPARATOR)
963 $pagename = substr($pagename, 1);
964 if ($pagename != $orig)
965 $this->_errors[] = sprintf(_("Leading %s not allowed"), SUBPAGE_SEPARATOR);
967 // ";" is urlencoded, so safe from php arg-delim problems
968 /*if (strstr($pagename, ';')) {
969 $this->_warnings[] = _("';' is deprecated");
970 $pagename = str_replace(';', '', $pagename);
973 // not only for SQL, also to restrict url length
974 if (strlen($pagename) > MAX_PAGENAME_LENGTH) {
975 $pagename = substr($pagename, 0, MAX_PAGENAME_LENGTH);
976 $this->_errors[] = _("Page name too long");
979 // disallow some chars only on file and cvs
980 if ((DATABASE_TYPE == 'cvs'
981 or DATABASE_TYPE == 'file'
982 or DATABASE_TYPE == 'flatfile')
983 and preg_match('/(:|\.\.)/', $pagename, $m)
985 $this->_warnings[] = sprintf(_("Illegal chars %s removed"), $m[1]);
986 $pagename = str_replace('..', '', $pagename);
987 $pagename = str_replace(':', '', $pagename);
995 * Convert old page markup to new-style markup.
997 * @param string $text Old-style wiki markup.
999 * @param string $markup_type
1001 * <dt><code>"block"</code> <dd>Convert all markup.
1002 * <dt><code>"inline"</code> <dd>Convert only inline markup.
1003 * <dt><code>"links"</code> <dd>Convert only link markup.
1006 * @return string New-style wiki markup.
1008 * @bugs Footnotes don't work quite as before (esp if there are
1009 * multiple references to the same footnote. But close enough,
1010 * probably for now....
1011 * @bugs Apache2 and IIS crash with OldTextFormattingRules or
1012 * AnciennesR%E8glesDeFormatage. (at the 2nd attempt to do the anchored block regex)
1013 * It only crashes with CreateToc so far, but other pages (not in pgsrc) are
1014 * also known to crash, even with Apache1.
1016 function ConvertOldMarkup($text, $markup_type = "block")
1023 // Trying to detect why the 2nd paragraph of OldTextFormattingRules or
1024 // AnciennesR%E8glesDeFormatage crashes.
1025 // It only crashes with CreateToc so far, but other pages (not in pgsrc) are
1026 // also known to crash, even with Apache1.
1027 $debug_skip = false;
1028 // I suspect this only to crash with Apache2 and IIS.
1029 if (in_array(php_sapi_name(), array('apache2handler', 'apache2filter', 'isapi'))
1030 and preg_match("/plugin CreateToc/", $text)
1032 trigger_error(_("The CreateTocPlugin is not yet old markup compatible! ")
1033 . _("Please remove the CreateToc line to be able to reformat this page to old markup. ")
1034 . _("Skipped."), E_USER_WARNING);
1036 //if (!DEBUG) return $text;
1041 /*****************************************************************
1042 * Conversions for inline markup:
1049 // escape escaped brackets
1053 // change ! escapes to ~'s.
1054 global $WikiNameRegexp, $request;
1055 $bang_esc[] = "(?:" . ALLOWED_PROTOCOLS . "):[^\s<>\[\]\"'()]*[^\s<>\[\]\"'(),.?]";
1056 // before 4.3.9 pcre had a memory release bug, which might hit us here. so be safe.
1057 $map = getInterwikiMap();
1058 if ($map_regex = $map->getRegexp())
1059 $bang_esc[] = $map_regex . ":[^\\s.,;?()]+"; // FIXME: is this really needed?
1060 $bang_esc[] = $WikiNameRegexp;
1061 $orig[] = '/!((?:' . join(')|(', $bang_esc) . '))/';
1064 $subs["links"] = array($orig, $repl);
1066 // Temporarily URL-encode pairs of underscores in links to hide
1067 // them from the re for bold markup.
1068 $orig[] = '/\[[^\[\]]*?__[^\[\]]*?\]/e';
1069 $repl[] = 'str_replace(\'__\', \'%5F%5F\', \'\\0\')';
1072 //$orig[] = '/<(?!\?plugin)|(?<!^)</m';
1075 // Convert footnote references.
1076 $orig[] = '/(?<=.)(?<!~)\[\s*(\d+)\s*\]/m';
1077 $repl[] = '#[|ftnt_ref_\\1]<sup>~[[\\1|#ftnt_\\1]~]</sup>';
1079 // Convert old style emphases to HTML style emphasis.
1080 $orig[] = '/__(.*?)__/';
1081 $repl[] = '<strong>\\1</strong>';
1082 $orig[] = "/''(.*?)''/";
1083 $repl[] = '<em>\\1</em>';
1085 // Escape nestled markup.
1086 $orig[] = '/^(?<=^|\s)[=_](?=\S)|(?<=\S)[=_*](?=\s|$)/m';
1089 // in old markup headings only allowed at beginning of line
1093 // Convert URL-encoded pairs of underscores in links back to
1094 // real underscores after bold markup has been converted.
1095 $orig = '/\[[^\[\]]*?%5F%5F[^\[\]]*?\]/e';
1096 $repl = 'str_replace(\'%5F%5F\', \'__\', \'\\0\')';
1098 $subs["inline"] = array($orig, $repl);
1100 /*****************************************************************
1101 * Patterns which match block markup constructs which take
1102 * special handling...
1106 $blockpats[] = '[ \t]+\S(?:.*\s*\n[ \t]+\S)*';
1108 $blockpats[] = '\|(?:.*\n\|)*';
1111 $blockpats[] = '[#*;]*(?:[*#]|;.*?:)';
1113 // Footnote definitions
1114 $blockpats[] = '\[\s*(\d+)\s*\]';
1118 $blockpats[] = '<\?plugin(?:-form)?\b.*\?>\s*$';
1122 $blockpats[] = '!{1,3}[^!]';
1124 removed .|\n in the anchor not to crash on /m because with /m "." already includes \n
1125 this breaks headings but it doesn't crash anymore (crash on non-cgi, non-cli only)
1127 $block_re = ('/\A((?:.|\n)*?)(^(?:'
1128 . join("|", $blockpats)
1133 if ($markup_type != "block") {
1134 list ($orig, $repl) = $subs[$markup_type];
1135 return preg_replace($orig, $repl, $text);
1137 list ($orig, $repl) = $subs['inline'];
1140 // php crashes here in the 2nd paragraph of OldTextFormattingRules,
1141 // AnciennesR%E8glesDeFormatage and more
1142 // See http://www.pcre.org/pcre.txt LIMITATIONS
1143 while (preg_match($block_re, $text, $m)) {
1144 $text = substr($text, strlen($m[0]));
1145 list (, $leading_text, $block) = $m;
1148 if (strchr(" \t", $block[0])) {
1150 $prefix = "<pre>\n";
1151 $suffix = "\n</pre>\n";
1152 } elseif ($block[0] == '|') {
1154 $prefix = "<?plugin OldStyleTable\n";
1156 } elseif (strchr("#*;", $block[0])) {
1157 // Old-style list item
1158 preg_match('/^([#*;]*)([*#]|;.*?:) */', $block, $m);
1159 list (, $ind, $bullet) = $m;
1160 $block = substr($block, strlen($m[0]));
1162 $indent = str_repeat(' ', strlen($ind));
1163 if ($bullet[0] == ';') {
1164 //$term = ltrim(substr($bullet, 1));
1165 //return $indent . $term . "\n" . $indent . ' ';
1166 $prefix = $ind . $bullet;
1168 $prefix = $indent . $bullet . ' ';
1169 } elseif ($block[0] == '[') {
1170 // Footnote definition
1171 preg_match('/^\[\s*(\d+)\s*\]/', $block, $m);
1173 $block = substr($block, strlen($m[0]));
1174 $prefix = "#[|ftnt_" . ${footnum} . "]~[[" . ${footnum} . "|#ftnt_ref_" . ${footnum} . "]~] ";
1175 } elseif ($block[0] == '<') {
1177 // HACK: no inline markup...
1180 } elseif ($block[0] == '!') {
1182 preg_match('/^!{1,3}/', $block, $m);
1184 $block = substr($block, strlen($m[0]));
1189 if ($leading_text) $leading_text = preg_replace($orig, $repl, $leading_text);
1190 if ($block) $block = preg_replace($orig, $repl, $block);
1191 $out .= $leading_text;
1196 return $out . preg_replace($orig, $repl, $text);
1201 * Expand tabs in string.
1203 * Converts all tabs to (the appropriate number of) spaces.
1205 * @param string $str
1206 * @param integer $tab_width
1209 function expand_tabs($str, $tab_width = 8)
1211 $split = explode("\t", $str);
1212 $tail = array_pop($split);
1214 foreach ($split as $hunk) {
1216 $pos = strlen(strrchr($expanded, "\n")) - 1;
1217 $expanded .= str_repeat(" ", ($tab_width - $pos % $tab_width));
1219 return substr($expanded, 1) . $tail;
1223 * Split WikiWords in page names.
1225 * It has been deemed useful to split WikiWords (into "Wiki Words") in
1226 * places like page titles. This is rumored to help search engines
1229 * @param $page string The page name.
1231 * @return string The split name.
1233 function SplitPagename($page)
1236 if (preg_match("/\s/", $page))
1237 return $page; // Already split --- don't split any more.
1239 // This algorithm is specialized for several languages.
1240 // (Thanks to Pierrick MEIGNEN)
1241 // Improvements for other languages welcome.
1244 // This mess splits between a lower-case letter followed by
1245 // either an upper-case or a numeral; except that it wont
1246 // split the prefixes 'Mc', 'De', or 'Di' off of their tails.
1247 switch ($GLOBALS['LANG']) {
1252 $RE[] = '/([[:lower:]])((?<!Mc|De|Di)[[:upper:]]|\d)/';
1255 $RE[] = '/([[:lower:]])((?<!Mc|Di)[[:upper:]]|\d)/';
1258 $sep = preg_quote(SUBPAGE_SEPARATOR, '/');
1259 // This the single-letter words 'I' and 'A' from any following
1260 // capitalized words.
1261 switch ($GLOBALS['LANG']) {
1263 $RE[] = "/(?<= |${sep}|^)([AI])([[:upper:]][[:lower:]])/";
1266 $RE[] = "/(?<= |${sep}|^)([À])([[:upper:]][[:lower:]])/";
1269 // Split at underscore
1270 $RE[] = '/(_)([[:alpha:]])/';
1271 $RE[] = '/([[:alpha:]])(_)/';
1272 // Split numerals from following letters.
1273 $RE[] = '/(\d)([[:alpha:]])/';
1274 // Split at subpage seperators. TBD in WikiTheme.php
1275 $RE[] = "/([^${sep}]+)(${sep})/";
1276 $RE[] = "/(${sep})([^${sep}]+)/";
1278 foreach ($RE as $key)
1282 foreach ($RE as $regexp) {
1283 $page = preg_replace($regexp, '\\1 \\2', $page);
1288 function NoSuchRevision(&$request, $page, $version)
1290 $html = HTML(HTML::h2(_("Revision Not Found")),
1291 HTML::p(fmt("I'm sorry. Version %d of %s is not in the database.",
1292 $version, WikiLink($page, 'auto'))));
1293 include_once 'lib/Template.php';
1294 GeneratePage($html, _("Bad Version"), $page->getCurrentRevision());
1299 * Get time offset for local time zone.
1301 * @param $time time_t Get offset for this time. Default: now.
1302 * @param $no_colon boolean Don't put colon between hours and minutes.
1303 * @return string Offset as a string in the format +HH:MM.
1305 function TimezoneOffset($time = false, $no_colon = false)
1307 if ($time === false)
1309 $secs = date('Z', $time);
1317 $colon = $no_colon ? '' : ':';
1318 $mins = intval(($secs + 30) / 60);
1319 return sprintf("%s%02d%s%02d",
1320 $sign, $mins / 60, $colon, $mins % 60);
1324 * Format time in ISO-8601 format.
1326 * @param $time time_t Time. Default: now.
1327 * @return string Date and time in ISO-8601 format.
1329 function Iso8601DateTime($time = false)
1331 if ($time === false)
1333 $tzoff = TimezoneOffset($time);
1334 $date = date('Y-m-d', $time);
1335 $time = date('H:i:s', $time);
1336 return $date . 'T' . $time . $tzoff;
1340 * Format time in RFC-2822 format.
1342 * @param $time time_t Time. Default: now.
1343 * @return string Date and time in RFC-2822 format.
1345 function Rfc2822DateTime($time = false)
1347 if ($time === false)
1349 return date('D, j M Y H:i:s ', $time) . TimezoneOffset($time, 'no colon');
1353 * Format time in RFC-1123 format.
1355 * @param $time time_t Time. Default: now.
1356 * @return string Date and time in RFC-1123 format.
1358 function Rfc1123DateTime($time = false)
1360 if ($time === false)
1362 return gmdate('D, d M Y H:i:s \G\M\T', $time);
1365 /** Parse date in RFC-1123 format.
1367 * According to RFC 1123 we must accept dates in the following
1370 * Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
1371 * Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
1372 * Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format
1374 * (Though we're only allowed to generate dates in the first format.)
1376 function ParseRfc1123DateTime($timestr)
1378 $timestr = trim($timestr);
1379 if (preg_match('/^ \w{3},\s* (\d{1,2}) \s* (\w{3}) \s* (\d{4}) \s*'
1380 . '(\d\d):(\d\d):(\d\d) \s* GMT $/ix',
1383 list(, $mday, $mon, $year, $hh, $mm, $ss) = $m;
1384 } elseif (preg_match('/^ \w+,\s* (\d{1,2})-(\w{3})-(\d{2}|\d{4}) \s*'
1385 . '(\d\d):(\d\d):(\d\d) \s* GMT $/ix',
1388 list(, $mday, $mon, $year, $hh, $mm, $ss) = $m;
1389 if ($year < 70) $year += 2000;
1390 elseif ($year < 100) $year += 1900;
1391 } elseif (preg_match('/^\w+\s* (\w{3}) \s* (\d{1,2}) \s*'
1392 . '(\d\d):(\d\d):(\d\d) \s* (\d{4})$/ix',
1395 list(, $mon, $mday, $hh, $mm, $ss, $year) = $m;
1401 $time = strtotime("$mday $mon $year ${hh}:${mm}:${ss} GMT");
1403 return false; // failed
1408 * Format time to standard 'ctime' format.
1410 * @param $time time_t Time. Default: now.
1411 * @return string Date and time.
1413 function CTime($time = false)
1415 if ($time === false)
1417 return date("D M j H:i:s Y", $time);
1421 * Format number as kibibytes or bytes.
1422 * Short format is used for PageList
1423 * Long format is used in PageInfo
1425 * @param $bytes int. Default: 0.
1426 * @param $longformat bool. Default: false.
1427 * @return class FormattedText (XmlElement.php).
1429 function ByteFormatter($bytes = 0, $longformat = false)
1433 if ($bytes < 1024) {
1435 $size = fmt("%s B", $bytes);
1437 $size = fmt("%s bytes", $bytes);
1439 $kb = round($bytes / 1024, 1);
1441 $size = fmt("%s KiB", $kb);
1443 $size = fmt("%s KiB (%s bytes)", $kb, $bytes);
1449 * Internationalized printf.
1451 * This is essentially the same as PHP's built-in printf
1452 * with the following exceptions:
1454 * <li> It passes the format string through gettext().
1455 * <li> It supports the argument reordering extensions.
1462 * __printf("Differences between versions %s and %s of %s",
1463 * $new_link, $old_link, $page_link);
1466 * Then in locale/po/de.po, one can reorder the printf arguments:
1469 * msgid "Differences between %s and %s of %s."
1470 * msgstr "Der Unterschiedsergebnis von %3$s, zwischen %1$s und %2$s."
1473 * (Note that while PHP tries to expand $vars within double-quotes,
1474 * the values in msgstr undergo no such expansion, so the '$'s
1477 * One shouldn't use reordered arguments in the default format string.
1478 * Backslashes in the default string would be necessary to escape the
1479 * '$'s, and they'll cause all kinds of trouble....
1481 function __printf($fmt)
1483 $args = func_get_args();
1485 echo __vsprintf($fmt, $args);
1489 * Internationalized sprintf.
1491 * This is essentially the same as PHP's built-in printf with the
1492 * following exceptions:
1495 * <li> It passes the format string through gettext().
1496 * <li> It supports the argument reordering extensions.
1501 function __sprintf($fmt)
1503 $args = func_get_args();
1505 return __vsprintf($fmt, $args);
1509 * Internationalized vsprintf.
1511 * This is essentially the same as PHP's built-in printf with the
1512 * following exceptions:
1515 * <li> It passes the format string through gettext().
1516 * <li> It supports the argument reordering extensions.
1521 function __vsprintf($fmt, $args)
1523 $fmt = gettext($fmt);
1524 // PHP's sprintf doesn't support variable with specifiers,
1525 // like sprintf("%*s", 10, "x"); --- so we won't either.
1527 if (preg_match_all('/(?<!%)%(\d+)\$/x', $fmt, $m)) {
1528 // Format string has '%2$s' style argument reordering.
1529 // PHP doesn't support this.
1530 if (preg_match('/(?<!%)%[- ]?\d*[^- \d$]/x', $fmt))
1531 // literal variable name substitution only to keep locale
1532 // strings uncluttered
1533 trigger_error(sprintf(_("Can't mix “%s” with “%s” type format strings"),
1534 '%1\$s', '%s'), E_USER_WARNING); //php+locale error
1536 $fmt = preg_replace('/(?<!%)%\d+\$/x', '%', $fmt);
1539 // Reorder arguments appropriately.
1540 foreach ($m[1] as $argnum) {
1541 if ($argnum < 1 || $argnum > count($args))
1542 trigger_error(sprintf(_("%s: argument index out of range"),
1543 $argnum), E_USER_WARNING);
1544 $newargs[] = $args[$argnum - 1];
1549 // Not all PHP's have vsprintf, so...
1550 array_unshift($args, $fmt);
1551 return call_user_func_array('sprintf', $args);
1554 function file_mtime($filename)
1556 if ($stat = @stat($filename))
1562 function sort_file_mtime($a, $b)
1564 $ma = file_mtime($a);
1565 $mb = file_mtime($b);
1566 if (!$ma or !$mb or $ma == $mb) return 0;
1567 return ($ma > $mb) ? -1 : 1;
1573 * Build an array in $this->_fileList of files from $dirname.
1574 * Subdirectories are not traversed.
1576 * (This was a function LoadDir in lib/loadsave.php)
1577 * See also http://www.php.net/manual/en/function.readdir.php
1579 function getFiles($exclude = '', $sortby = '', $limit = '')
1581 $list = $this->_fileList;
1584 require_once 'lib/PageList.php';
1585 switch (Pagelist::sortby($sortby, 'db')) {
1586 case 'pagename ASC':
1588 case 'pagename DESC':
1589 $list = array_reverse($list);
1592 usort($list, 'sort_file_mtime');
1595 usort($list, 'sort_file_mtime');
1596 $list = array_reverse($list);
1601 return array_splice($list, 0, $limit);
1605 function _filenameSelector($filename)
1607 if (!$this->_pattern)
1610 if (!$this->_pcre_pattern)
1611 $this->_pcre_pattern = glob_to_pcre($this->_pattern);
1612 return preg_match('/' . $this->_pcre_pattern . ($this->_case ? '/' : '/i'),
1617 function fileSet($directory, $filepattern = false)
1619 $this->_fileList = array();
1620 $this->_pattern = $filepattern;
1622 $this->_pcre_pattern = glob_to_pcre($this->_pattern);
1624 $this->_case = !isWindows();
1625 $this->_pathsep = '/';
1627 if (empty($directory)) {
1628 trigger_error(sprintf(_("%s is empty."), 'directoryname'),
1630 return; // early return
1633 @ $dir_handle = opendir($dir = $directory);
1634 if (empty($dir_handle)) {
1635 trigger_error(sprintf(_("Unable to open directory “%s” for reading"),
1636 $dir), E_USER_NOTICE);
1637 return; // early return
1640 while ($filename = readdir($dir_handle)) {
1641 if ($filename[0] == '.' || filetype($dir . $this->_pathsep . $filename) != 'file')
1643 if ($this->_filenameSelector($filename)) {
1644 array_push($this->_fileList, "$filename");
1645 //trigger_error(sprintf(_("found file %s"), $filename),
1646 // E_USER_NOTICE); //debugging
1649 closedir($dir_handle);
1655 // expands a list containing regex's to its matching entries
1656 class ListRegexExpand
1658 public $match, $list, $index, $case_sensitive;
1659 function ListRegexExpand(&$list, $match, $case_sensitive = true)
1661 $this->match = $match;
1662 $this->list = &$list;
1663 $this->case_sensitive = $case_sensitive;
1664 //$this->index = false;
1667 function listMatchCallback($item, $key)
1669 $quoted = str_replace('/', '\/', $item);
1670 if (preg_match('/' . $this->match . ($this->case_sensitive ? '/' : '/i'),
1673 unset($this->list[$this->index]);
1674 $this->list[] = $item;
1678 function expandRegex($index, &$pages)
1680 $this->index = $index;
1681 array_walk($pages, array($this, 'listMatchCallback'));
1686 // Convert fileglob to regex style:
1687 // Convert some wildcards to pcre style, escape the rest
1688 // Escape . \\ + * ? [ ^ ] $ ( ) { } = ! < > | : /
1689 // Fixed bug #994994: "/" in $glob.
1690 function glob_to_pcre($glob)
1692 // check simple case: no need to escape
1693 $escape = '\[](){}=!<>|:/';
1694 if (strcspn($glob, $escape . ".+*?^$") == strlen($glob))
1696 // preg_replace cannot handle "\\\\\\2" so convert \\ to \xff
1697 $glob = strtr($glob, "\\", "\xff");
1698 $glob = str_replace("/", "\\/", $glob);
1699 // first convert some unescaped expressions to pcre style: . => \.
1701 $re = preg_replace('/([^\xff])?([' . preg_quote($special) . '])/',
1702 "\\1\xff\\2", $glob);
1705 $re = preg_replace('/([^\xff])?\*/', '$1.*', $re);
1706 $re = preg_replace('/([^\xff])?\?/', '$1.', $re);
1707 if (!preg_match('/^[\?\*]/', $glob))
1709 if (!preg_match('/[\?\*]$/', $glob))
1712 // Fixes Bug 1182997
1713 // .*? handled above, now escape the rest
1714 //while (strcspn($re, $escape) != strlen($re)) // loop strangely needed
1715 $re = preg_replace('/([^\xff])([' . preg_quote($escape, "/") . '])/',
1717 // Problem with 'Date/Time' => 'Date\/Time' => 'Date\xff\/Time' => 'Date\/Time'
1719 $re = preg_replace('/\xff/', '', $re);
1723 function glob_match($glob, $against, $case_sensitive = true)
1725 return preg_match('/' . glob_to_pcre($glob) . ($case_sensitive ? '/' : '/i'),
1729 function explodeList($input, $allnames, $glob_style = true, $case_sensitive = true)
1731 $list = explode(',', $input);
1732 // expand wildcards from list of $allnames
1733 if (preg_match('/[\?\*]/', $input)) {
1734 // Optimizing loop invariants:
1735 // http://phplens.com/lens/php-book/optimizing-debugging-php.php
1736 for ($i = 0, $max = sizeof($list); $i < $max; $i++) {
1738 if (preg_match('/[\?\*]/', $f)) {
1740 $expand = new ListRegexExpand($list,
1741 $glob_style ? glob_to_pcre($f) : $f, $case_sensitive);
1742 $expand->expandRegex($i, $allnames);
1749 // echo implode(":",explodeList("Test*",array("xx","Test1","Test2")));
1750 function explodePageList($input, $include_empty = false, $sortby = 'pagename',
1751 $limit = '', $exclude = '')
1753 include_once 'lib/PageList.php';
1754 return PageList::explodePageList($input, $include_empty, $sortby, $limit, $exclude);
1757 // Class introspections
1760 * Determine whether object is of a specified type.
1761 * In PHP builtin since 4.2.0 as is_a()
1762 * is_a() deprecated in PHP 5, in favor of instanceof operator
1763 * @param $object object An object.
1764 * @param $class string Class name.
1765 * @return bool True iff $object is a $class
1766 * or a sub-type of $class.
1768 function isa($object, $class)
1771 return is_object($object)
1772 && (strtolower(get_class($object)) == strtolower($class)
1773 || is_subclass_of($object, $lclass));
1776 /** Determine whether a function is okay to use.
1778 * Some providers (e.g. Lycos) disable some of PHP functions for
1779 * "security reasons." This makes those functions, of course,
1780 * unusable, despite the fact the function_exists() says they
1783 * This function test to see if a function exists and is not
1784 * disallowed by PHP's disable_functions config setting.
1786 * @param string $function_name Function name
1787 * @return bool True iff function can be used.
1789 function function_usable($function_name)
1792 if (!is_array($disabled)) {
1793 $disabled = array();
1794 // Use get_cfg_var since ini_get() is one of the disabled functions
1795 // (on Lycos, at least.)
1796 $split = preg_split('/\s*,\s*/', trim(get_cfg_var('disable_functions')));
1797 foreach ($split as $f)
1798 $disabled[strtolower($f)] = true;
1801 return (function_exists($function_name)
1802 and !isset($disabled[strtolower($function_name)])
1808 * This is used for generating ETags.
1810 function wikihash($x)
1812 if (is_scalar($x)) {
1814 } elseif (is_array($x)) {
1816 return md5(serialize($x));
1817 } elseif (is_object($x)) {
1820 trigger_error("Can't hash $x", E_USER_ERROR);
1824 * Seed the random number generator.
1826 * better_srand() ensures the randomizer is seeded only once.
1828 * How random do you want it? See:
1829 * http://www.php.net/manual/en/function.srand.php
1830 * http://www.php.net/manual/en/function.mt-srand.php
1832 function better_srand($seed = '')
1834 static $wascalled = FALSE;
1836 $seed = $seed === '' ? (double)microtime() * 1000000 : $seed;
1837 function_exists('mt_srand') ? mt_srand($seed) : srand($seed);
1839 //trigger_error("new random seed", E_USER_NOTICE); //debugging
1843 function rand_ascii($length = 1)
1847 for ($i = 1; $i <= $length; $i++) {
1848 // return only typeable 7 bit ascii, avoid quotes
1849 if (function_exists('mt_rand'))
1850 $s .= chr(mt_rand(40, 126));
1852 // the usually bad glibc srand()
1853 $s .= chr(rand(40, 126));
1858 /* by Dan Frankowski.
1860 function rand_ascii_readable($length = 6)
1862 // Pick a few random letters or numbers
1865 // Don't use 1lI0O, because they're hard to read
1866 $letters = "abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789";
1867 $letter_len = strlen($letters);
1868 for ($i = 0; $i < $length; $i++) {
1869 if (function_exists('mt_rand'))
1870 $word .= $letters[mt_rand(0, $letter_len - 1)];
1872 $word .= $letters[rand(0, $letter_len - 1)];
1878 * Recursively count all non-empty elements
1879 * in array of any dimension or mixed - i.e.
1880 * array('1' => 2, '2' => array('1' => 3, '2' => 4))
1881 * See http://www.php.net/manual/en/function.count.php
1883 function count_all($arg)
1885 // skip if argument is empty
1887 //print_r($arg); //debugging
1889 // not an array, return 1 (base case)
1890 if (!is_array($arg))
1892 // else call recursively for all elements $arg
1893 foreach ($arg as $key => $val)
1894 $count += count_all($val);
1899 function isSubPage($pagename)
1901 return (strstr($pagename, SUBPAGE_SEPARATOR));
1904 function subPageSlice($pagename, $pos)
1906 $pages = explode(SUBPAGE_SEPARATOR, $pagename);
1907 $pages = array_slice($pages, $pos, 1);
1911 function isActionPage($filename)
1914 global $AllActionPages;
1916 $localizedAllActionPages = array_map("__", $AllActionPages);
1918 return (in_array($filename, $localizedAllActionPages));
1924 * Class for "popping up" and alert box. (Except that right now, it doesn't
1928 * This is a hackish and needs to be refactored. However it would be nice to
1929 * unify all the different methods we use for showing Alerts and Dialogs.
1930 * (E.g. "Page deleted", login form, ...)
1936 * @param object $request
1937 * @param mixed $head Header ("title") for alert box.
1938 * @param mixed $body The text in the alert box.
1939 * @param hash $buttons An array mapping button labels to URLs.
1940 * The default is a single "Okay" button pointing to $request->getURLtoSelf().
1942 function Alert($head, $body, $buttons = false)
1944 if ($buttons === false)
1947 if (is_array($body)) {
1949 foreach ($body as $li) {
1950 $html->pushContent(HTML::li($li));
1954 $this->_tokens = array('HEADER' => $head, 'CONTENT' => $body);
1955 $this->_buttons = $buttons;
1959 * Show the alert box.
1965 $tokens = $this->_tokens;
1966 $tokens['BUTTONS'] = $this->_getButtons();
1968 $request->discardOutput();
1969 $tmpl = new Template('dialog', $request, $tokens);
1974 function _getButtons()
1978 $buttons = $this->_buttons;
1980 $buttons = array(_("OK") => $request->getURLtoSelf());
1983 foreach ($buttons as $label => $url)
1984 print "$label $url\n";
1985 $out[] = $WikiTheme->makeButton($label, $url, 'wikiaction');
1986 return new XmlContent($out);
1991 // 1.3.9-p1 => 1030.091
1992 // 1.3.10pre => 1030.099
1993 // 1.3.11pre-20041120 => 1030.1120041120
1994 // 1.3.12-rc1 => 1030.119
1995 function phpwiki_version()
1997 static $PHPWIKI_VERSION;
1998 if (!isset($PHPWIKI_VERSION)) {
1999 $arr = explode('.', preg_replace('/\D+$/', '', PHPWIKI_VERSION)); // remove the pre
2000 $arr[2] = preg_replace('/\.+/', '.', preg_replace('/\D/', '.', $arr[2]));
2001 $PHPWIKI_VERSION = $arr[0] * 1000 + $arr[1] * 10 + 0.01 * $arr[2];
2002 if (strstr(PHPWIKI_VERSION, 'pre') or strstr(PHPWIKI_VERSION, 'rc'))
2003 $PHPWIKI_VERSION -= 0.01;
2005 return $PHPWIKI_VERSION;
2008 function phpwiki_gzhandler($ob)
2010 if (function_exists('gzencode'))
2011 $ob = gzencode($ob);
2012 $GLOBALS['request']->_ob_get_length = strlen($ob);
2013 if (!headers_sent()) {
2014 header(sprintf("Content-Length: %d", $GLOBALS['request']->_ob_get_length));
2019 function isWikiWord($word)
2021 global $WikiNameRegexp;
2022 //or preg_match('/\A' . $WikiNameRegexp . '\z/', $word) ??
2023 return preg_match("/^$WikiNameRegexp\$/", $word);
2026 // needed to store serialized objects-values only (perm, pref)
2027 function obj2hash($obj, $exclude = false, $fields = false)
2030 if (!$fields) $fields = get_object_vars($obj);
2031 foreach ($fields as $key => $val) {
2032 if (is_array($exclude)) {
2033 if (in_array($key, $exclude)) continue;
2041 * isAsciiString($string)
2043 function isAsciiString($s)
2045 $ptrASCII = '[\x00-\x7F]';
2046 return preg_match("/^($ptrASCII)*$/s", $s);
2050 * isUtf8String($string) - cheap utf-8 detection
2052 * segfaults for strings longer than 10kb!
2053 * Use http://www.phpdiscuss.com/article.php?id=565&group=php.i18n or
2054 * checkTitleEncoding() at http://cvs.sourceforge.net/viewcvs.py/wikipedia/phase3/languages/Language.php
2056 function isUtf8String($s)
2058 $ptrASCII = '[\x00-\x7F]';
2059 $ptr2Octet = '[\xC2-\xDF][\x80-\xBF]';
2060 $ptr3Octet = '[\xE0-\xEF][\x80-\xBF]{2}';
2061 $ptr4Octet = '[\xF0-\xF4][\x80-\xBF]{3}';
2062 $ptr5Octet = '[\xF8-\xFB][\x80-\xBF]{4}';
2063 $ptr6Octet = '[\xFC-\xFD][\x80-\xBF]{5}';
2064 return preg_match("/^($ptrASCII|$ptr2Octet|$ptr3Octet|$ptr4Octet|$ptr5Octet|$ptr6Octet)*$/s", $s);
2068 * Check for UTF-8 URLs; Internet Explorer produces these if you
2069 * type non-ASCII chars in the URL bar or follow unescaped links.
2070 * Requires urldecoded pagename.
2071 * Fixes sf.net bug #953949
2073 * src: languages/Language.php:checkTitleEncoding() from mediawiki
2075 function fixTitleEncoding($s)
2081 * Workaround for allow_url_fopen, to get the content of an external URI.
2082 * It returns the contents in one slurp. Parsers might want to check for allow_url_fopen
2083 * and use fopen, fread chunkwise. (see lib/XmlParser.php)
2085 function url_get_contents($uri)
2087 if (get_cfg_var('allow_url_fopen')) { // was ini_get('allow_url_fopen'))
2088 return @file_get_contents($uri);
2090 require_once 'lib/HttpClient.php';
2091 $bits = parse_url($uri);
2092 $host = $bits['host'];
2093 $port = isset($bits['port']) ? $bits['port'] : 80;
2094 $path = isset($bits['path']) ? $bits['path'] : '/';
2095 if (isset($bits['query'])) {
2096 $path .= '?' . $bits['query'];
2098 $client = new HttpClient($host, $port);
2099 $client->use_gzip = false;
2100 if (!$client->get($path)) {
2103 return $client->getContent();
2109 * Generate consecutively named strings:
2110 * Name, Name2, Name3, ...
2112 function GenerateId($name)
2114 static $ids = array();
2115 if (empty($ids[$name])) {
2120 return $name . $ids[$name];
2124 // from IncludePage. To be of general use.
2125 // content: string or array of strings
2126 function firstNWordsOfContent($n, $content)
2128 if ($content and $n > 0) {
2129 if (is_array($content)) {
2130 // fixme: return a list of lines then?
2131 //$content = join("\n", $content);
2132 //$return_array = true;
2134 foreach ($content as $line) {
2135 $words = explode(' ', $line);
2136 if ($wordcount + count($words) > $n) {
2137 $new[] = implode(' ', array_slice($words, 0, $n - $wordcount))
2138 . sprintf(_("... (first %s words)"), $n);
2141 $wordcount += count($words);
2147 // fixme: use better whitespace/word seperators
2148 $words = explode(' ', $content);
2149 if (count($words) > $n) {
2150 return join(' ', array_slice($words, 0, $n))
2151 . sprintf(_("... (first %s words)"), $n);
2161 // moved from lib/plugin/IncludePage.php
2162 function extractSection($section, $content, $page, $quiet = false, $sectionhead = false)
2164 $qsection = preg_replace('/\s+/', '\s+', preg_quote($section, '/'));
2166 if (preg_match("/ ^(!{1,}|={2,})\\s*$qsection\s*=*" // section header
2167 . " \\s*$\\n?" // possible blank lines
2168 . " ( (?: ^.*\\n? )*? )" // some lines
2169 . " (?= ^\\1 | \\Z)/xm", // sec header (same or higher level) (or EOF)
2170 implode("\n", $content),
2173 // Strip trailing blanks lines and ---- <hr>s
2174 $text = preg_replace("/\\s*^-{4,}\\s*$/m", "", $match[2]);
2176 $text = $match[1] . $section . "\n" . $text;
2177 return explode("\n", $text);
2180 $mesg = $page . " " . $section;
2183 return array(sprintf(_("<%s: no such section>"), $mesg));
2186 // Extract the first $sections sections of the page
2187 function extractSections($sections, $content, $page, $quiet = false, $sectionhead = false)
2190 $mycontent = $content;
2193 while ($sections > 0) {
2195 if (preg_match("/ ^(!{1,}|={2,})\\s*(.*)\\n" // section header
2196 . " \\s*$\\n?" // possible blank lines
2197 . " ( (?: ^.*\\n? )*? )" // some lines
2198 . " ( ^\\1 (.|\\n)* | \\Z)/xm", // sec header (same or higher level) (or EOF)
2199 implode("\n", $mycontent),
2202 $section = $match[2];
2203 // Strip trailing blanks lines and ---- <hr>s
2204 $text = preg_replace("/\\s*^-{4,}\\s*$/m", "", $match[3]);
2206 $text = $match[1] . $section . "\n" . $text;
2209 $mycontent = explode("\n", $match[4]);
2211 if ($sections === 0) {
2212 return explode("\n", $result);
2218 // use this faster version: only load ExternalReferrer if we came from an external referrer
2219 function isExternalReferrer(&$request)
2221 if ($referrer = $request->get('HTTP_REFERER')) {
2222 $home = SERVER_URL; // SERVER_URL or SCRIPT_NAME, if we want to check sister wiki's also
2223 if (string_starts_with(strtolower($referrer), strtolower($home))) return false;
2224 require_once 'lib/ExternalReferrer.php';
2225 $se = new SearchEngines();
2226 return $se->parseSearchQuery($referrer);
2228 //if (DEBUG) return array('query' => 'wiki');
2233 * Useful for PECL overrides: cvsclient, ldap, soap, xmlrpc, pdo, pdo_<driver>
2235 function loadPhpExtension($extension)
2237 if (!extension_loaded($extension)) {
2238 $isWindows = (substr(PHP_OS, 0, 3) == 'WIN');
2239 $soname = ($isWindows ? 'php_' : '')
2241 . ($isWindows ? '.dll' : '.so');
2245 return extension_loaded($extension);
2248 function charset_convert($from, $to, $data)
2250 if (strtolower($from) == 'utf-8' and strtolower($to) == 'iso-8859-1')
2251 return utf8_decode($data);
2252 if (strtolower($to) == 'utf-8' and strtolower($from) == 'iso-8859-1')
2253 return utf8_encode($data);
2255 if (loadPhpExtension("iconv")) {
2256 $tmpdata = iconv($from, $to, $data);
2258 trigger_error("charset conversion $from => $to failed. Wrong source charset?", E_USER_WARNING);
2262 trigger_error("The iconv extension cannot be loaded", E_USER_WARNING);
2267 function string_starts_with($string, $prefix)
2269 return (substr($string, 0, strlen($prefix)) == $prefix);
2272 function string_ends_with($string, $suffix)
2274 return (substr($string, -strlen($suffix)) == $suffix);
2277 function array_remove($arr, $value)
2279 return array_values(array_diff($arr, array($value)));
2283 * Ensure that the script will have another $secs time left.
2284 * Works only if safe_mode is off.
2285 * For example not to timeout on waiting socket connections.
2286 * Use the socket timeout as arg.
2288 function longer_timeout($secs = 30)
2290 $timeout = @ini_get("max_execution_time") ? ini_get("max_execution_time") : 30;
2291 $timeleft = $timeout - $GLOBALS['RUNTIMER']->getTime();
2292 if ($timeleft < $secs)
2293 @set_time_limit(max($timeout, (integer)($secs + $timeleft)));
2296 function printSimpleTrace($bt)
2299 echo "\nTraceback:\n";
2300 if (function_exists('debug_print_backtrace')) { // >= 5
2301 debug_print_backtrace();
2303 foreach ($bt as $i => $elem) {
2304 if (!array_key_exists('file', $elem)) {
2307 //echo join(" ",array_values($elem)),"\n";
2308 echo " ", $elem['file'], ':', $elem['line'], " ", $elem['function'], "\n";
2314 * Return the used process memory, in bytes.
2315 * Enable the section which will work for you. They are very slow.
2316 * Special quirks for Windows: Requires cygwin.
2318 function getMemoryUsage()
2320 //if (!(DEBUG & _DEBUG_VERBOSE)) return;
2321 if (function_exists('memory_get_usage') and memory_get_usage()) {
2322 return memory_get_usage();
2323 } elseif (function_exists('getrusage') and ($u = @getrusage()) and !empty($u['ru_maxrss'])) {
2324 $mem = $u['ru_maxrss'];
2325 } elseif (substr(PHP_OS, 0, 3) == 'WIN') { // may require a newer cygwin
2326 // what we want is the process memory only: apache or php (if CGI)
2329 // win32_ps_stat_proc, win32_ps_stat_mem
2330 if (function_exists('win32_ps_list_procs')) {
2331 $info = win32_ps_stat_proc($pid);
2332 $memstr = $info['mem']['working_set_size'];
2334 // This works only if it's a cygwin process (apache or php).
2335 // Requires a newer cygwin
2336 $memstr = exec("cat /proc/$pid/statm |cut -f1");
2338 // if it's native windows use something like this:
2339 // (requires pslist from sysinternals.com, grep, sed and perl)
2340 //$memstr = exec("pslist $pid|grep -A1 Mem|sed 1d|perl -ane\"print \$"."F[5]\"");
2342 return (integer)trim($memstr);
2345 //%MEM: Percentage of total memory in use by this process
2346 //VSZ: Total virtual memory size, in 1K blocks.
2347 //RSS: Real Set Size, the actual amount of physical memory allocated to this process.
2348 //CPU time used by process since it started.
2349 //echo "%",`ps -o%mem,vsz,rss,time -p $pid|sed 1d`,"\n";
2350 $memstr = exec("ps -orss -p $pid|sed 1d");
2351 return (integer)trim($memstr);
2356 * @param var $needle
2357 * @param array $haystack one-dimensional numeric array only, no hash
2359 * @desc Feed a sorted array to $haystack and a value to search for to $needle.
2360 It will return false if not found or the index where it was found.
2361 From dennis.decoene@moveit.be http://www.php.net/array_search
2363 function binary_search($needle, $haystack)
2365 $high = count($haystack);
2368 while (($high - $low) > 1) {
2369 $probe = floor(($high + $low) / 2);
2370 if ($haystack[$probe] < $needle) {
2372 } elseif ($haystack[$probe] == $needle) {
2373 $high = $low = $probe;
2379 if ($high == count($haystack) || $haystack[$high] != $needle) {
2386 function is_localhost()
2388 return $_SERVER['SERVER_ADDR'] == '127.0.0.1';
2392 * Take a string and quote it sufficiently to be passed as a Javascript
2393 * string between ''s
2395 function javascript_quote_string($s)
2397 return str_replace("'", "\'", $s);
2400 function isSerialized($s)
2402 return (!empty($s) and (strlen($s) > 3) and (substr($s, 1, 1) == ':'));
2406 * Determine if a variable represents a whole number
2409 function is_whole_number($var)
2411 return (is_numeric($var) && (intval($var) == floatval($var)));
2415 * Take a string and return an array of pairs (attribute name, attribute value)
2417 * We allow attributes with or without double quotes (")
2418 * Attribute-value pairs may be separated by space or comma
2419 * Space is normal HTML attributes, comma is for RichTable compatibility
2420 * border=1, cellpadding="5"
2421 * border=1 cellpadding="5"
2422 * style="font-family: sans-serif; border-top:1px solid #dddddd;"
2423 * style="font-family: Verdana, Arial, Helvetica, sans-serif"
2425 function parse_attributes($line)
2430 if (empty($line)) return $options;
2431 $line = trim($line);
2432 if (empty($line)) return $options;
2433 $line = trim($line, ",");
2434 if (empty($line)) return $options;
2436 // First we have an attribute name.
2441 while (($i < strlen($line)) && ($line[$i] != '=')) {
2444 $attribute = substr($line, 0, $i);
2445 $attribute = strtolower($attribute);
2447 $line = substr($line, $i + 1);
2448 $line = trim($line);
2449 $line = trim($line, "=");
2450 $line = trim($line);
2452 if (empty($line)) return $options;
2454 // Then we have the attribute value.
2457 // Attribute value might be between double quotes
2458 // In that case we have to find the closing double quote
2459 if ($line[0] == '"') {
2460 $i++; // skip first '"'
2461 while (($i < strlen($line)) && ($line[$i] != '"')) {
2464 $value = substr($line, 0, $i);
2465 $value = trim($value, '"');
2466 $value = trim($value);
2468 // If there are no double quotes, we have to find the next space or comma
2470 while (($i < strlen($line)) && (($line[$i] != ' ') && ($line[$i] != ','))) {
2473 $value = substr($line, 0, $i);
2474 $value = trim($value);
2475 $value = trim($value, ",");
2476 $value = trim($value);
2479 $options[$attribute] = $value;
2481 $line = substr($line, $i + 1);
2482 $line = trim($line);
2483 $line = trim($line, ",");
2484 $line = trim($line);
2486 return $options + parse_attributes($line);
2490 * Returns true if the filename ends with an image suffix.
2491 * Uses INLINE_IMAGES if defined, else "png|jpg|jpeg|gif|swf"
2493 function is_image($filename)
2496 if (defined('INLINE_IMAGES')) {
2497 $inline_images = INLINE_IMAGES;
2499 $inline_images = "png|jpg|jpeg|gif|swf";
2502 foreach (explode("|", $inline_images) as $suffix) {
2503 if (string_ends_with(strtolower($filename), "." . $suffix)) {
2511 * Returns true if the filename ends with an video suffix.
2512 * Currently only FLV and OGG
2514 function is_video($filename)
2517 return string_ends_with(strtolower($filename), ".flv")
2518 or string_ends_with(strtolower($filename), ".ogg");
2522 * Remove accents from given text.
2524 function strip_accents($text)
2526 $res = utf8_decode($text);
2528 utf8_decode('àáâãäçèéêëìíîïñòóôõöùúûüýÿÀÁÂÃÄÇÈÉÊËÌÍÎÏÑÒÓÔÕÖÙÚÛÜÝ'),
2529 'aaaaaceeeeiiiinooooouuuuyyAAAAACEEEEIIIINOOOOOUUUUY');
2530 return utf8_encode($res);
2536 // c-basic-offset: 4
2537 // c-hanging-comment-ender-p: nil
2538 // indent-tabs-mode: nil