public function normalize($text)
{
$text = strip_tags($text);
// strips the HTML tags like <br /> and <nowiki>
// remove the special characters which hold significance in wiki formatting
$specialChars = array("'", "\"", '=', '--', '*', '|');
$text = str_replace($specialChars, '', $text);
// remove the [[]] types of text
$pattern = "/\\[\\[.*?\\]\\]|{{.*?}}/";
$text = preg_replace($pattern, '', $text);
// remove links
$pattern = "/\\b(https?|ftp|file):\\/\\/[-A-Z0-9+&@#\\/%?=~_|\$!:,.;]*[A-Z0-9+&@#\\/%=~_|\$]/i";
$text = preg_replace($pattern, '', $text);
// remove the other special characters
$specialChars = array('[', ']', '{', '}', ':', '/', ';', '?', '-', '$', "\\");
$text = str_replace($specialChars, '', $text);
if (class_exists('Sanitizer')) {
if (method_exists('Sanitizer', 'decodeCharReferencesAndNormalize')) {
$text = Sanitizer::decodeCharReferencesAndNormalize($text);
}
}
return $text;
}
/**
* Like Title::newFromText(), but throws MalformedTitleException when the title is invalid,
* rather than returning null.
*
* The exception subclasses encode detailed information about why the title is invalid.
*
* @see Title::newFromText
*
* @since 1.25
* @param string $text Title text to check
* @param int $defaultNamespace
* @throws MalformedTitleException If the title is invalid
* @return Title
*/
public static function newFromTextThrow($text, $defaultNamespace = NS_MAIN)
{
if (is_object($text)) {
throw new MWException('Title::newFromTextThrow given an object');
}
$cache = self::getTitleCache();
/**
* Wiki pages often contain multiple links to the same page.
* Title normalization and parsing can become expensive on
* pages with many links, so we can save a little time by
* caching them.
*
* In theory these are value objects and won't get changed...
*/
if ($defaultNamespace == NS_MAIN && $cache->has($text)) {
return $cache->get($text);
}
# Convert things like é ā or 〗 into normalized (bug 14952) text
$filteredText = Sanitizer::decodeCharReferencesAndNormalize($text);
$t = new Title();
$t->mDbkeyform = strtr($filteredText, ' ', '_');
$t->mDefaultNamespace = intval($defaultNamespace);
$t->secureAndSplit();
if ($defaultNamespace == NS_MAIN) {
$cache->set($text, $t);
}
return $t;
}
/**
* Create a new Title from text, such as what one would find in a link. De-
* codes any HTML entities in the text.
*
* @param $text String the link text; spaces, prefixes, and an
* initial ':' indicating the main namespace are accepted.
* @param $defaultNamespace Int the namespace to use if none is speci-
* fied by a prefix. If you want to force a specific namespace even if
* $text might begin with a namespace prefix, use makeTitle() or
* makeTitleSafe().
* @return Title, or null on an error.
*/
public static function newFromText($text, $defaultNamespace = NS_MAIN)
{
if (is_object($text)) {
throw new MWException('Title::newFromText given an object');
}
/**
* Wiki pages often contain multiple links to the same page.
* Title normalization and parsing can become expensive on
* pages with many links, so we can save a little time by
* caching them.
*
* In theory these are value objects and won't get changed...
*/
if ($defaultNamespace == NS_MAIN && isset(Title::$titleCache[$text])) {
return Title::$titleCache[$text];
}
# Convert things like é ā or 〗 into normalized (bug 14952) text
$filteredText = Sanitizer::decodeCharReferencesAndNormalize($text);
$t = new Title();
$t->mDbkeyform = str_replace(' ', '_', $filteredText);
$t->mDefaultNamespace = $defaultNamespace;
static $cachedcount = 0;
if ($t->secureAndSplit()) {
if ($defaultNamespace == NS_MAIN) {
if ($cachedcount >= self::CACHE_MAX) {
# Avoid memory leaks on mass operations...
Title::$titleCache = array();
$cachedcount = 0;
}
$cachedcount++;
Title::$titleCache[$text] =& $t;
}
return $t;
} else {
$ret = null;
return $ret;
}
}
/**
* Create a new Title from text, such as what one would find in a link. De-
* codes any HTML entities in the text.
*
* @param string $text The link text; spaces, prefixes, and an
* initial ':' indicating the main namespace are accepted.
* @param int $defaultNamespace The namespace to use if none is specified
* by a prefix. If you want to force a specific namespace even if
* $text might begin with a namespace prefix, use makeTitle() or
* makeTitleSafe().
* @throws InvalidArgumentException
* @return Title|null Title or null on an error.
*/
public static function newFromText($text, $defaultNamespace = NS_MAIN)
{
if (is_object($text)) {
throw new InvalidArgumentException('$text must be a string.');
} elseif (!is_string($text)) {
wfWarn(__METHOD__ . ': $text must be a string. This will throw an InvalidArgumentException in future.');
}
$cache = self::getTitleCache();
/**
* Wiki pages often contain multiple links to the same page.
* Title normalization and parsing can become expensive on
* pages with many links, so we can save a little time by
* caching them.
*
* In theory these are value objects and won't get changed...
*/
if ($defaultNamespace == NS_MAIN && $cache->has($text)) {
return $cache->get($text);
}
# Convert things like é ā or 〗 into normalized (bug 14952) text
$filteredText = Sanitizer::decodeCharReferencesAndNormalize($text);
$t = new Title();
$t->mDbkeyform = str_replace(' ', '_', $filteredText);
$t->mDefaultNamespace = intval($defaultNamespace);
if ($t->secureAndSplit()) {
if ($defaultNamespace == NS_MAIN) {
$cache->set($text, $t);
}
return $t;
} else {
return null;
}
}