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Hi. I am getting this error bug in my wiki

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 739

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 717

Warning: Invalid argument supplied for foreach() in /home/casavall/public_html/wiki/includes/MagicWord.php on line 718

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 722

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 717

Warning: Invalid argument supplied for foreach() in /home/casavall/public_html/wiki/includes/MagicWord.php on line 718

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 722

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 717

Warning: Invalid argument supplied for foreach() in /home/casavall/public_html/wiki/includes/MagicWord.php on line 718

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 722

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 717

Warning: Invalid argument supplied for foreach() in /home/casavall/public_html/wiki/includes/MagicWord.php on line 718

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 722

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 739

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 739

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 739

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 739

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 717

Warning: Invalid argument supplied for foreach() in /home/casavall/public_html/wiki/includes/MagicWord.php on line 718

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 722

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 717

Warning: Invalid argument supplied for foreach() in /home/casavall/public_html/wiki/includes/MagicWord.php on line 718

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 722

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 739

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /home/casavall/public_html/wiki/includes/MagicWord.php on line 739

The code of my MagicWord.php file is this**

foreach ($list as $item) {<?php
/**
 * File for magic words
 *
 * See docs/magicword.txt
 *
 * @file
 * @ingroup Parser
 */

/**
 * This class encapsulates "magic words" such as #redirect, __NOTOC__, etc.
 * Usage:
 *     if (MagicWord::get( 'redirect' )->match( $text ) )
 *
 * Possible future improvements:
 *   * Simultaneous searching for a number of magic words
 *   * MagicWord::$mObjects in shared memory
 *
 * Please avoid reading the data out of one of these objects and then writing
 * special case code. If possible, add another match()-like function here.
 *
 * To add magic words in an extension, use the LanguageGetMagic hook. For
 * magic words which are also Parser variables, add a MagicWordwgVariableIDs
 * hook. Use string keys.
 *
 * @ingroup Parser
 */
class MagicWord {
	/**#@+
	 * @private
	 */
	var $mId, $mSynonyms, $mCaseSensitive, $mRegex;
	var $mRegexStart, $mBaseRegex, $mVariableRegex;
	var $mModified, $mFound;

	static public $mVariableIDsInitialised = false;
	static public $mVariableIDs = array(
		'currentmonth',
		'currentmonth1',
		'currentmonthname',
		'currentmonthnamegen',
		'currentmonthabbrev',
		'currentday',
		'currentday2',
		'currentdayname',
		'currentyear',
		'currenttime',
		'currenthour',
		'localmonth',
		'localmonth1',
		'localmonthname',
		'localmonthnamegen',
		'localmonthabbrev',
		'localday',
		'localday2',
		'localdayname',
		'localyear',
		'localtime',
		'localhour',
		'numberofarticles',
		'numberoffiles',
		'numberofedits',
		'articlepath',
		'sitename',
		'server',
		'servername',
		'scriptpath',
		'stylepath',
		'pagename',
		'pagenamee',
		'fullpagename',
		'fullpagenamee',
		'namespace',
		'namespacee',
		'currentweek',
		'currentdow',
		'localweek',
		'localdow',
		'revisionid',
		'revisionday',
		'revisionday2',
		'revisionmonth',
		'revisionmonth1',
		'revisionyear',
		'revisiontimestamp',
		'revisionuser',
		'subpagename',
		'subpagenamee',
		'talkspace',
		'talkspacee',
		'subjectspace',
		'subjectspacee',
		'talkpagename',
		'talkpagenamee',
		'subjectpagename',
		'subjectpagenamee',
		'numberofusers',
		'numberofactiveusers',
		'numberofpages',
		'currentversion',
		'basepagename',
		'basepagenamee',
		'currenttimestamp',
		'localtimestamp',
		'directionmark',
		'contentlanguage',
		'numberofadmins',
		'numberofviews',
	);

	/* Array of caching hints for ParserCache */
	static public $mCacheTTLs = array (
		'currentmonth' => 86400,
		'currentmonth1' => 86400,
		'currentmonthname' => 86400,
		'currentmonthnamegen' => 86400,
		'currentmonthabbrev' => 86400,
		'currentday' => 3600,
		'currentday2' => 3600,
		'currentdayname' => 3600,
		'currentyear' => 86400,
		'currenttime' => 3600,
		'currenthour' => 3600,
		'localmonth' => 86400,
		'localmonth1' => 86400,
		'localmonthname' => 86400,
		'localmonthnamegen' => 86400,
		'localmonthabbrev' => 86400,
		'localday' => 3600,
		'localday2' => 3600,
		'localdayname' => 3600,
		'localyear' => 86400,
		'localtime' => 3600,
		'localhour' => 3600,
		'numberofarticles' => 3600,
		'numberoffiles' => 3600,
		'numberofedits' => 3600,
		'currentweek' => 3600,
		'currentdow' => 3600,
		'localweek' => 3600,
		'localdow' => 3600,
		'numberofusers' => 3600,
		'numberofactiveusers' => 3600,
		'numberofpages' => 3600,
		'currentversion' => 86400,
		'currenttimestamp' => 3600,
		'localtimestamp' => 3600,
		'pagesinnamespace' => 3600,
		'numberofadmins' => 3600,
		'numberofviews' => 3600,
		'numberingroup' => 3600,
		);

	static public $mDoubleUnderscoreIDs = array(
		'notoc',
		'nogallery',
		'forcetoc',
		'toc',
		'noeditsection',
		'newsectionlink',
		'nonewsectionlink',
		'hiddencat',
		'index',
		'noindex',
		'staticredirect',
		'notitleconvert',
		'nocontentconvert',
	);

	static public $mSubstIDs = array(
		'subst',
		'safesubst',
	);

	static public $mObjects = array();
	static public $mDoubleUnderscoreArray = null;

	/**#@-*/

	function __construct($id = 0, $syn = array(), $cs = false) {
		$this->mId = $id;
		$this->mSynonyms = (array)$syn;
		$this->mCaseSensitive = $cs;
		$this->mRegex = '';
		$this->mRegexStart = '';
		$this->mVariableRegex = '';
		$this->mVariableStartToEndRegex = '';
		$this->mModified = false;
	}

	/**
	 * Factory: creates an object representing an ID
	 * @static
	 */
	static function &get( $id ) {
		wfProfileIn( __METHOD__ );
		if ( !isset( self::$mObjects[$id] ) ) {
			$mw = new MagicWord();
			$mw->load( $id );
			self::$mObjects[$id] = $mw;
		}
		wfProfileOut( __METHOD__ );
		return self::$mObjects[$id];
	}

	/**
	 * Get an array of parser variable IDs
	 */
	static function getVariableIDs() {
		if ( !self::$mVariableIDsInitialised ) {
			# Deprecated constant definition hook, available for extensions that need it
			$magicWords = array();
			wfRunHooks( 'MagicWordMagicWords', array( &$magicWords ) );
			foreach ( $magicWords as $word ) {
				define( $word, $word );
			}

			# Get variable IDs
			wfRunHooks( 'MagicWordwgVariableIDs', array( &self::$mVariableIDs ) );
			self::$mVariableIDsInitialised = true;
		}
		return self::$mVariableIDs;
	}

	/**
	 * Get an array of parser substitution modifier IDs
	 */
	static function getSubstIDs() {
		return self::$mSubstIDs; 
	}

	/* Allow external reads of TTL array */
	static function getCacheTTL($id) {
		if (array_key_exists($id,self::$mCacheTTLs)) {
			return self::$mCacheTTLs[$id];
		} else {
			return -1;
		}
	}

	/** Get a MagicWordArray of double-underscore entities */
	static function getDoubleUnderscoreArray() {
		if ( is_null( self::$mDoubleUnderscoreArray ) ) {
			self::$mDoubleUnderscoreArray = new MagicWordArray( self::$mDoubleUnderscoreIDs );
		}
		return self::$mDoubleUnderscoreArray;
	}

	/**
	 * Clear the self::$mObjects variable
	 * For use in parser tests
	 */
	public static function clearCache() {
		self::$mObjects = array();
	}

	# Initialises this object with an ID
	function load( $id ) {
		global $wgContLang;
		$this->mId = $id;
		$wgContLang->getMagic( $this );
		if ( !$this->mSynonyms ) {
			$this->mSynonyms = array( 'dkjsagfjsgashfajsh' );
			#throw new MWException( "Error: invalid magic word '$id'" );
			wfDebugLog( 'exception', "Error: invalid magic word '$id'\n" );
		}
	}

	/**
	 * Preliminary initialisation
	 * @private
	 */
	function initRegex() {
		// Sort the synonyms by length, descending, so that the longest synonym
		// matches in precedence to the shortest
		$synonyms = $this->mSynonyms;
		usort( $synonyms, array( $this, 'compareStringLength' ) );

		$escSyn = array();
		foreach ( $synonyms as $synonym )
			// In case a magic word contains /, like that's going to happen;)
			$escSyn[] = preg_quote( $synonym, '/' );
		$this->mBaseRegex = implode( '|', $escSyn );

		$case = $this->mCaseSensitive ? '' : 'iu';
		$this->mRegex = "/{$this->mBaseRegex}/{$case}";
		$this->mRegexStart = "/^(?:{$this->mBaseRegex})/{$case}";
		$this->mVariableRegex = str_replace( "\\$1", "(.*?)", $this->mRegex );
		$this->mVariableStartToEndRegex = str_replace( "\\$1", "(.*?)",
			"/^(?:{$this->mBaseRegex})$/{$case}" );
	}

	/**
	 * A comparison function that returns -1, 0 or 1 depending on whether the 
	 * first string is longer, the same length or shorter than the second 
	 * string.
	 */
	function compareStringLength( $s1, $s2 ) {
		$l1 = strlen( $s1 );
		$l2 = strlen( $s2 );
		if ( $l1 < $l2 ) {
			return 1;
		} elseif ( $l1 > $l2 ) {
			return -1;
		} else {
			return 0;
		}
	}

	/**
	 * Gets a regex representing matching the word
	 */
	function getRegex() {
		if ($this->mRegex == '' ) {
			$this->initRegex();
		}
		return $this->mRegex;
	}

	/**
	 * Gets the regexp case modifier to use, i.e. i or nothing, to be used if
	 * one is using MagicWord::getBaseRegex(), otherwise it'll be included in
	 * the complete expression
	 */
	function getRegexCase() {
		if ( $this->mRegex === '' )
			$this->initRegex();

		return $this->mCaseSensitive ? '' : 'iu';
	}

	/**
	 * Gets a regex matching the word, if it is at the string start
	 */
	function getRegexStart() {
		if ($this->mRegex == '' ) {
			$this->initRegex();
		}
		return $this->mRegexStart;
	}

	/**
	 * regex without the slashes and what not
	 */
	function getBaseRegex() {
		if ($this->mRegex == '') {
			$this->initRegex();
		}
		return $this->mBaseRegex;
	}

	/**
	 * Returns true if the text contains the word
	 * @return bool
	 */
	function match( $text ) {
		return (bool)preg_match( $this->getRegex(), $text );
	}

	/**
	 * Returns true if the text starts with the word
	 * @return bool
	 */
	function matchStart( $text ) {
		return (bool)preg_match( $this->getRegexStart(), $text );
	}

	/**
	 * Returns NULL if there's no match, the value of $1 otherwise
	 * The return code is the matched string, if there's no variable
	 * part in the regex and the matched variable part ($1) if there
	 * is one.
	 */
	function matchVariableStartToEnd( $text ) {
		$matches = array();
		$matchcount = preg_match( $this->getVariableStartToEndRegex(), $text, $matches );
		if ( $matchcount == 0 ) {
			return null;
		} else {
			# multiple matched parts (variable match); some will be empty because of
			# synonyms. The variable will be the second non-empty one so remove any
			# blank elements and re-sort the indices.
			# See also bug 6526

			$matches = array_values(array_filter($matches));

			if ( count($matches) == 1 ) { return $matches[0]; }
			else { return $matches[1]; }
		}
	}


	/**
	 * Returns true if the text matches the word, and alters the
	 * input string, removing all instances of the word
	 */
	function matchAndRemove( &$text ) {
		$this->mFound = false;
		$text = preg_replace_callback( $this->getRegex(), array( &$this, 'pregRemoveAndRecord' ), $text );
		return $this->mFound;
	}

	function matchStartAndRemove( &$text ) {
		$this->mFound = false;
		$text = preg_replace_callback( $this->getRegexStart(), array( &$this, 'pregRemoveAndRecord' ), $text );
		return $this->mFound;
	}

	/**
	 * Used in matchAndRemove()
	 * @private
	 **/
	function pregRemoveAndRecord( ) {
		$this->mFound = true;
		return '';
	}

	/**
	 * Replaces the word with something else
	 */
	function replace( $replacement, $subject, $limit=-1 ) {
		$res = preg_replace( $this->getRegex(), StringUtils::escapeRegexReplacement( $replacement ), $subject, $limit );
		$this->mModified = !($res === $subject);
		return $res;
	}

	/**
	 * Variable handling: {{SUBST:xxx}} style words
	 * Calls back a function to determine what to replace xxx with
	 * Input word must contain $1
	 */
	function substituteCallback( $text, $callback ) {
		$res = preg_replace_callback( $this->getVariableRegex(), $callback, $text );
		$this->mModified = !($res === $text);
		return $res;
	}

	/**
	 * Matches the word, where $1 is a wildcard
	 */
	function getVariableRegex()	{
		if ( $this->mVariableRegex == '' ) {
			$this->initRegex();
		}
		return $this->mVariableRegex;
	}

	/**
	 * Matches the entire string, where $1 is a wildcard
	 */
	function getVariableStartToEndRegex() {
		if ( $this->mVariableStartToEndRegex == '' ) {
			$this->initRegex();
		}
		return $this->mVariableStartToEndRegex;
	}

	/**
	 * Accesses the synonym list directly
	 */
	function getSynonym( $i ) {
		return $this->mSynonyms[$i];
	}

	function getSynonyms() {
		return $this->mSynonyms;
	}

	/**
	 * Returns true if the last call to replace() or substituteCallback()
	 * returned a modified text, otherwise false.
	 */
	function getWasModified(){
		return $this->mModified;
	}

	/**
	 * $magicarr is an associative array of (magic word ID => replacement)
	 * This method uses the php feature to do several replacements at the same time,
	 * thereby gaining some efficiency. The result is placed in the out variable
	 * $result. The return value is true if something was replaced.
	 * @static
	 **/
	function replaceMultiple( $magicarr, $subject, &$result ){
		$search = array();
		$replace = array();
		foreach( $magicarr as $id => $replacement ){
			$mw = MagicWord::get( $id );
			$search[] = $mw->getRegex();
			$replace[] = $replacement;
		}

		$result = preg_replace( $search, $replace, $subject );
		return !($result === $subject);
	}

	/**
	 * Adds all the synonyms of this MagicWord to an array, to allow quick
	 * lookup in a list of magic words
	 */
	function addToArray( &$array, $value ) {
		global $wgContLang;
		foreach ( $this->mSynonyms as $syn ) {
			$array[$wgContLang->lc($syn)] = $value;
		}
	}

	function isCaseSensitive() {
		return $this->mCaseSensitive;
	}

	function getId() {
		return $this->mId;
	}
}

/**
 * Class for handling an array of magic words
 * @ingroup Parser
 */
class MagicWordArray {
	var $names = array();
	var $hash;
	var $baseRegex, $regex;
	var $matches;

	function __construct( $names = array() ) {
		$this->names = $names;
	}

	/**
	 * Add a magic word by name
	 */
	public function add( $name ) {
		$this->names[] = $name;
		$this->hash = $this->baseRegex = $this->regex = null;
	}

	/**
	 * Add a number of magic words by name
	 */
	public function addArray( $names ) {
		$this->names = array_merge( $this->names, array_values( $names ) );
		$this->hash = $this->baseRegex = $this->regex = null;
	}

	/**
	 * Get a 2-d hashtable for this array
	 */
	function getHash() {
		if ( is_null( $this->hash ) ) {
			global $wgContLang;
			$this->hash = array( 0 => array(), 1 => array() );
			foreach ( $this->names as $name ) {
				$magic = MagicWord::get( $name );
				$case = intval( $magic->isCaseSensitive() );
				foreach ( $magic->getSynonyms() as $syn ) {
					if ( !$case ) {
						$syn = $wgContLang->lc( $syn );
					}
					$this->hash[$case][$syn] = $name;
				}
			}
		}
		return $this->hash;
	}

	/**
	 * Get the base regex
	 */
	function getBaseRegex() {
		if ( is_null( $this->baseRegex ) ) {
			$this->baseRegex = array( 0 => '', 1 => '' );
			foreach ( $this->names as $name ) {
				$magic = MagicWord::get( $name );
				$case = intval( $magic->isCaseSensitive() );
				foreach ( $magic->getSynonyms() as $i => $syn ) {
					$group = "(?P<{$i}_{$name}>" . preg_quote( $syn, '/' ) . ')';
					if ( $this->baseRegex[$case] === '' ) {
						$this->baseRegex[$case] = $group;
					} else {
						$this->baseRegex[$case] .= '|' . $group;
					}
				}
			}
		}
		return $this->baseRegex;
	}

	/**
	 * Get an unanchored regex that does not match parameters
	 */
	function getRegex() {
		if ( is_null( $this->regex ) ) {
			$base = $this->getBaseRegex();
			$this->regex = array( '', '' );
			if ( $this->baseRegex[0] !== '' ) {
				$this->regex[0] = "/{$base[0]}/iuS";
			}
			if ( $this->baseRegex[1] !== '' ) {
				$this->regex[1] = "/{$base[1]}/S";
			}
		}
		return $this->regex;
	}

	/**
	 * Get a regex for matching variables with parameters
	 */
	function getVariableRegex() {
		return str_replace( "\\$1", "(.*?)", $this->getRegex() );
	}

	/**
	 * Get a regex anchored to the start of the string that does not match parameters
	 */
	function getRegexStart() {
		$base = $this->getBaseRegex();
		$newRegex = array( '', '' );
		if ( $base[0] !== '' ) {
			$newRegex[0] = "/^(?:{$base[0]})/iuS";
		}
		if ( $base[1] !== '' ) {
			$newRegex[1] = "/^(?:{$base[1]})/S"; 
		}
		return $newRegex;
	}

	/**
	 * Get an anchored regex for matching variables with parameters
	 */
	function getVariableStartToEndRegex() {
		$base = $this->getBaseRegex();
		$newRegex = array( '', '' );
		if ( $base[0] !== '' ) {
			$newRegex[0] = str_replace( "\\$1", "(.*?)", "/^(?:{$base[0]})$/iuS" );
		}
		if ( $base[1] !== '' ) {
			$newRegex[1] = str_replace( "\\$1", "(.*?)", "/^(?:{$base[1]})$/S" );
		}
		return $newRegex;
	}

	/**
	 * Parse a match array from preg_match
	 * Returns array(magic word ID, parameter value)
	 * If there is no parameter value, that element will be false.
	 */
	function parseMatch( $m ) {
		reset( $m );
		while ( list( $key, $value ) = each( $m ) ) {
			if ( $key === 0 || $value === '' ) {
				continue;
			}
			$parts = explode( '_', $key, 2 );
			if ( count( $parts ) != 2 ) {
				// This shouldn't happen
				// continue;
				throw new MWException( __METHOD__ . ': bad parameter name' );
			}
			list( /* $synIndex */, $magicName ) = $parts;
			$paramValue = next( $m );
			return array( $magicName, $paramValue );
		}
		// This shouldn't happen either
		throw new MWException( __METHOD__.': parameter not found' );
	}

	/**
	 * Match some text, with parameter capture
	 * Returns an array with the magic word name in the first element and the
	 * parameter in the second element.
	 * Both elements are false if there was no match.
	 */
	public function matchVariableStartToEnd( $text ) {
		$regexes = $this->getVariableStartToEndRegex();
		foreach ( $regexes as $regex ) {
			if ( $regex !== '' ) {
				$m = false;
				if ( preg_match( $regex, $text, $m ) ) {
					return $this->parseMatch( $m );
				}
			}
		}
		return array( false, false );
	}

	/**
	 * Match some text, without parameter capture
	 * Returns the magic word name, or false if there was no capture
	 */
	public function matchStartToEnd( $text ) {
		$hash = $this->getHash();
		if ( isset( $hash[1][$text] ) ) {
			return $hash[1][$text];
		}
		global $wgContLang;
		$lc = $wgContLang->lc( $text );
		if ( isset( $hash[0][$lc] ) ) {
			return $hash[0][$lc];
		}
		return false;
	}

	/**
	 * Returns an associative array, ID => param value, for all items that match
	 * Removes the matched items from the input string (passed by reference)
	 */
	public function matchAndRemove( &$text ) {
		$found = array();
		$regexes = $this->getRegex();
		foreach ( $regexes as $regex ) {
			if ( $regex === '' ) {
				continue;
			}
			preg_match_all( $regex, $text, $matches, PREG_SET_ORDER );
			foreach ( $matches as $m ) {
				list( $name, $param ) = $this->parseMatch( $m );
				$found[$name] = $param;
			}
			$text = preg_replace( $regex, '', $text );
		}
		return $found;
	}

	/**
	 * Return the ID of the magic word at the start of $text, and remove
	 * the prefix from $text.
	 * Return false if no match found and $text is not modified.
	 * Does not match parameters.
	 */
	public function matchStartAndRemove( &$text ) {
		$regexes = $this->getRegexStart();
		foreach ( $regexes as $regex ) {
			if ( $regex === '' ) {
				continue;
			}
			if ( preg_match( $regex, $text, $m ) ) {
				list( $id, ) = $this->parseMatch( $m );
				if ( strlen( $m[0] ) >= strlen( $text ) ) {
					$text = '';
				} else {
					$text = substr( $text, strlen( $m[0] ) );
				}
				return $id;
			}
		}
		return false;
	}
}

  work_miracles($item);
}

I will be happy if something can help me to solve this
Thanks since now
Alejandro

Restricted Application added subscribers: Zppix, Aklapper. · View Herald TranscriptMay 31 2016, 2:23 PM
AlejandroUY edited the task description. (Show Details)May 31 2016, 2:24 PM

First line contains foreach ($list as $item) { before opening <?php. That's what I see for the first sight.

Please paste your code to Paste so it's easier to read it and navigate in it.

Did you modify the file? If yes, please point out to appropriate line numbers.

<?php
/**

  • File for magic words *
  • See docs/magicword.txt *
  • @file
  • @ingroup Parser */

/**

  • This class encapsulates "magic words" such as #redirect, NOTOC, etc.
  • Usage:
  • if (MagicWord::get( 'redirect' )->match( $text ) ) *
  • Possible future improvements:
  • * Simultaneous searching for a number of magic words
  • * MagicWord::$mObjects in shared memory *
  • Please avoid reading the data out of one of these objects and then writing
  • special case code. If possible, add another match()-like function here. *
  • To add magic words in an extension, use the LanguageGetMagic hook. For
  • magic words which are also Parser variables, add a MagicWordwgVariableIDs
  • hook. Use string keys. *
  • @ingroup Parser */

class MagicWord {
/**#@+

  • @private
	 */

var $mId, $mSynonyms, $mCaseSensitive, $mRegex;
var $mRegexStart, $mBaseRegex, $mVariableRegex;
var $mModified, $mFound;

static public $mVariableIDsInitialised = false;
static public $mVariableIDs = array(

		'currentmonth',
		'currentmonth1',
		'currentmonthname',
		'currentmonthnamegen',
		'currentmonthabbrev',
		'currentday',
		'currentday2',
		'currentdayname',
		'currentyear',
		'currenttime',
		'currenthour',
		'localmonth',
		'localmonth1',
		'localmonthname',
		'localmonthnamegen',
		'localmonthabbrev',
		'localday',
		'localday2',
		'localdayname',
		'localyear',
		'localtime',
		'localhour',
		'numberofarticles',
		'numberoffiles',
		'numberofedits',
		'articlepath',
		'sitename',
		'server',
		'servername',
		'scriptpath',
		'stylepath',
		'pagename',
		'pagenamee',
		'fullpagename',
		'fullpagenamee',
		'namespace',
		'namespacee',
		'currentweek',
		'currentdow',
		'localweek',
		'localdow',
		'revisionid',
		'revisionday',
		'revisionday2',
		'revisionmonth',
		'revisionmonth1',
		'revisionyear',
		'revisiontimestamp',
		'revisionuser',
		'subpagename',
		'subpagenamee',
		'talkspace',
		'talkspacee',
		'subjectspace',
		'subjectspacee',
		'talkpagename',
		'talkpagenamee',
		'subjectpagename',
		'subjectpagenamee',
		'numberofusers',
		'numberofactiveusers',
		'numberofpages',
		'currentversion',
		'basepagename',
		'basepagenamee',
		'currenttimestamp',
		'localtimestamp',
		'directionmark',
		'contentlanguage',
		'numberofadmins',
		'numberofviews',

);

/* Array of caching hints for ParserCache */
static public $mCacheTTLs = array (

		'currentmonth' => 86400,
		'currentmonth1' => 86400,
		'currentmonthname' => 86400,
		'currentmonthnamegen' => 86400,
		'currentmonthabbrev' => 86400,
		'currentday' => 3600,
		'currentday2' => 3600,
		'currentdayname' => 3600,
		'currentyear' => 86400,
		'currenttime' => 3600,
		'currenthour' => 3600,
		'localmonth' => 86400,
		'localmonth1' => 86400,
		'localmonthname' => 86400,
		'localmonthnamegen' => 86400,
		'localmonthabbrev' => 86400,
		'localday' => 3600,
		'localday2' => 3600,
		'localdayname' => 3600,
		'localyear' => 86400,
		'localtime' => 3600,
		'localhour' => 3600,
		'numberofarticles' => 3600,
		'numberoffiles' => 3600,
		'numberofedits' => 3600,
		'currentweek' => 3600,
		'currentdow' => 3600,
		'localweek' => 3600,
		'localdow' => 3600,
		'numberofusers' => 3600,
		'numberofactiveusers' => 3600,
		'numberofpages' => 3600,
		'currentversion' => 86400,
		'currenttimestamp' => 3600,
		'localtimestamp' => 3600,
		'pagesinnamespace' => 3600,
		'numberofadmins' => 3600,
		'numberofviews' => 3600,
		'numberingroup' => 3600,
		);

static public $mDoubleUnderscoreIDs = array(

		'notoc',
		'nogallery',
		'forcetoc',
		'toc',
		'noeditsection',
		'newsectionlink',
		'nonewsectionlink',
		'hiddencat',
		'index',
		'noindex',
		'staticredirect',
		'notitleconvert',
		'nocontentconvert',

);

static public $mSubstIDs = array(

		'subst',
		'safesubst',

);

static public $mObjects = array();
static public $mDoubleUnderscoreArray = null;

/**#@-*/

function __construct($id = 0, $syn = array(), $cs = false) {

		$this->mId = $id;
		$this->mSynonyms = (array)$syn;
		$this->mCaseSensitive = $cs;
		$this->mRegex = '';
		$this->mRegexStart = '';
		$this->mVariableRegex = '';
		$this->mVariableStartToEndRegex = '';
		$this->mModified = false;

}

/**

  • Factory: creates an object representing an ID
  • @static
	 */

static function &get( $id ) {

		wfProfileIn( __METHOD__ );
		if ( !isset( self::$mObjects[$id] ) ) {
			$mw = new MagicWord();
			$mw->load( $id );
			self::$mObjects[$id] = $mw;
		}
		wfProfileOut( __METHOD__ );
		return self::$mObjects[$id];

}

/**

  • Get an array of parser variable IDs
	 */

static function getVariableIDs() {

		if ( !self::$mVariableIDsInitialised ) {
			# Deprecated constant definition hook, available for extensions that need it
			$magicWords = array();
			wfRunHooks( 'MagicWordMagicWords', array( &$magicWords ) );
			foreach ( $magicWords as $word ) {
				define( $word, $word );
			}

			# Get variable IDs
			wfRunHooks( 'MagicWordwgVariableIDs', array( &self::$mVariableIDs ) );
			self::$mVariableIDsInitialised = true;
		}
		return self::$mVariableIDs;

}

/**

  • Get an array of parser substitution modifier IDs
	 */

static function getSubstIDs() {

		return self::$mSubstIDs;

}

/* Allow external reads of TTL array */
static function getCacheTTL($id) {

		if (array_key_exists($id,self::$mCacheTTLs)) {
			return self::$mCacheTTLs[$id];
		} else {
			return -1;
		}

}

/** Get a MagicWordArray of double-underscore entities */
static function getDoubleUnderscoreArray() {

		if ( is_null( self::$mDoubleUnderscoreArray ) ) {
			self::$mDoubleUnderscoreArray = new MagicWordArray( self::$mDoubleUnderscoreIDs );
		}
		return self::$mDoubleUnderscoreArray;

}

/**

  • Clear the self::$mObjects variable
  • For use in parser tests
	 */

public static function clearCache() {

		self::$mObjects = array();

}

  1. Initialises this object with an ID

function load( $id ) {

		global $wgContLang;
		$this->mId = $id;
		$wgContLang->getMagic( $this );
		if ( !$this->mSynonyms ) {
			$this->mSynonyms = array( 'dkjsagfjsgashfajsh' );
			#throw new MWException( "Error: invalid magic word '$id'" );
			wfDebugLog( 'exception', "Error: invalid magic word '$id'\n" );
		}

}

/**

  • Preliminary initialisation
  • @private
	 */

function initRegex() {

		// Sort the synonyms by length, descending, so that the longest synonym
		// matches in precedence to the shortest
		$synonyms = $this->mSynonyms;
		usort( $synonyms, array( $this, 'compareStringLength' ) );

		$escSyn = array();
		foreach ( $synonyms as $synonym )
			// In case a magic word contains /, like that's going to happen;)
			$escSyn[] = preg_quote( $synonym, '/' );
		$this->mBaseRegex = implode( '|', $escSyn );

		$case = $this->mCaseSensitive ? '' : 'iu';
		$this->mRegex = "/{$this->mBaseRegex}/{$case}";
		$this->mRegexStart = "/^(?:{$this->mBaseRegex})/{$case}";
		$this->mVariableRegex = str_replace( "\\$1", "(.*?)", $this->mRegex );
		$this->mVariableStartToEndRegex = str_replace( "\\$1", "(.*?)",
			"/^(?:{$this->mBaseRegex})$/{$case}" );

}

/**

  • A comparison function that returns -1, 0 or 1 depending on whether the
  • first string is longer, the same length or shorter than the second
  • string.
	 */

function compareStringLength( $s1, $s2 ) {

		$l1 = strlen( $s1 );
		$l2 = strlen( $s2 );
		if ( $l1 < $l2 ) {
			return 1;
		} elseif ( $l1 > $l2 ) {
			return -1;
		} else {
			return 0;
		}

}

/**

  • Gets a regex representing matching the word
	 */

function getRegex() {

		if ($this->mRegex == '' ) {
			$this->initRegex();
		}
		return $this->mRegex;

}

/**

  • Gets the regexp case modifier to use, i.e. i or nothing, to be used if
  • one is using MagicWord::getBaseRegex(), otherwise it'll be included in
  • the complete expression
	 */

function getRegexCase() {

		if ( $this->mRegex === '' )
			$this->initRegex();

		return $this->mCaseSensitive ? '' : 'iu';

}

/**

  • Gets a regex matching the word, if it is at the string start
	 */

function getRegexStart() {

		if ($this->mRegex == '' ) {
			$this->initRegex();
		}
		return $this->mRegexStart;

}

/**

  • regex without the slashes and what not
	 */

function getBaseRegex() {

		if ($this->mRegex == '') {
			$this->initRegex();
		}
		return $this->mBaseRegex;

}

/**

  • Returns true if the text contains the word
  • @return bool
	 */

function match( $text ) {

		return (bool)preg_match( $this->getRegex(), $text );

}

/**

  • Returns true if the text starts with the word
  • @return bool
	 */

function matchStart( $text ) {

		return (bool)preg_match( $this->getRegexStart(), $text );

}

/**

  • Returns NULL if there's no match, the value of $1 otherwise
  • The return code is the matched string, if there's no variable
  • part in the regex and the matched variable part ($1) if there
  • is one.
	 */

function matchVariableStartToEnd( $text ) {

		$matches = array();
		$matchcount = preg_match( $this->getVariableStartToEndRegex(), $text, $matches );
		if ( $matchcount == 0 ) {
			return null;
		} else {
			# multiple matched parts (variable match); some will be empty because of
			# synonyms. The variable will be the second non-empty one so remove any
			# blank elements and re-sort the indices.
			# See also bug 6526

			$matches = array_values(array_filter($matches));

			if ( count($matches) == 1 ) { return $matches[0]; }
			else { return $matches[1]; }
		}

}

/**

  • Returns true if the text matches the word, and alters the
  • input string, removing all instances of the word
	 */

function matchAndRemove( &$text ) {

		$this->mFound = false;
		$text = preg_replace_callback( $this->getRegex(), array( &$this, 'pregRemoveAndRecord' ), $text );
		return $this->mFound;

}

function matchStartAndRemove( &$text ) {

		$this->mFound = false;
		$text = preg_replace_callback( $this->getRegexStart(), array( &$this, 'pregRemoveAndRecord' ), $text );
		return $this->mFound;

}

/**

  • Used in matchAndRemove()
  • @private
	 **/

function pregRemoveAndRecord( ) {

		$this->mFound = true;
		return '';

}

/**

  • Replaces the word with something else
	 */

function replace( $replacement, $subject, $limit=-1 ) {

		$res = preg_replace( $this->getRegex(), StringUtils::escapeRegexReplacement( $replacement ), $subject, $limit );
		$this->mModified = !($res === $subject);
		return $res;

}

/**

  • Variable handling: {{SUBST:xxx}} style words
  • Calls back a function to determine what to replace xxx with
  • Input word must contain $1
	 */

function substituteCallback( $text, $callback ) {

		$res = preg_replace_callback( $this->getVariableRegex(), $callback, $text );
		$this->mModified = !($res === $text);
		return $res;

}

/**

  • Matches the word, where $1 is a wildcard
	 */

function getVariableRegex() {

		if ( $this->mVariableRegex == '' ) {
			$this->initRegex();
		}
		return $this->mVariableRegex;

}

/**

  • Matches the entire string, where $1 is a wildcard
	 */

function getVariableStartToEndRegex() {

		if ( $this->mVariableStartToEndRegex == '' ) {
			$this->initRegex();
		}
		return $this->mVariableStartToEndRegex;

}

/**

  • Accesses the synonym list directly
	 */

function getSynonym( $i ) {

		return $this->mSynonyms[$i];

}

function getSynonyms() {

		return $this->mSynonyms;

}

/**

  • Returns true if the last call to replace() or substituteCallback()
  • returned a modified text, otherwise false.
	 */

function getWasModified(){

		return $this->mModified;

}

/**

  • $magicarr is an associative array of (magic word ID => replacement)
  • This method uses the php feature to do several replacements at the same time,
  • thereby gaining some efficiency. The result is placed in the out variable
  • $result. The return value is true if something was replaced.
  • @static
	 **/

function replaceMultiple( $magicarr, $subject, &$result ){

		$search = array();
		$replace = array();
		foreach( $magicarr as $id => $replacement ){
			$mw = MagicWord::get( $id );
			$search[] = $mw->getRegex();
			$replace[] = $replacement;
		}

		$result = preg_replace( $search, $replace, $subject );
		return !($result === $subject);

}

/**

  • Adds all the synonyms of this MagicWord to an array, to allow quick
  • lookup in a list of magic words
	 */

function addToArray( &$array, $value ) {

		global $wgContLang;
		foreach ( $this->mSynonyms as $syn ) {
			$array[$wgContLang->lc($syn)] = $value;
		}

}

function isCaseSensitive() {

		return $this->mCaseSensitive;

}

function getId() {

		return $this->mId;

}
}

/**

  • Class for handling an array of magic words
  • @ingroup Parser */

class MagicWordArray {
var $names = array();
var $hash;
var $baseRegex, $regex;
var $matches;

function __construct( $names = array() ) {

		$this->names = $names;

}

/**

  • Add a magic word by name
	 */

public function add( $name ) {

		$this->names[] = $name;
		$this->hash = $this->baseRegex = $this->regex = null;

}

/**

  • Add a number of magic words by name
	 */

public function addArray( $names ) {

		$this->names = array_merge( $this->names, array_values( $names ) );
		$this->hash = $this->baseRegex = $this->regex = null;

}

/**

  • Get a 2-d hashtable for this array
	 */

function getHash() {

		if ( is_null( $this->hash ) ) {
			global $wgContLang;
			$this->hash = array( 0 => array(), 1 => array() );
			foreach ( $this->names as $name ) {
				$magic = MagicWord::get( $name );
				$case = intval( $magic->isCaseSensitive() );
				foreach ( $magic->getSynonyms() as $syn ) {
					if ( !$case ) {
						$syn = $wgContLang->lc( $syn );
					}
					$this->hash[$case][$syn] = $name;
				}
			}
		}
		return $this->hash;

}

/**

  • Get the base regex
	 */

function getBaseRegex() {

		if ( is_null( $this->baseRegex ) ) {
			$this->baseRegex = array( 0 => '', 1 => '' );
			foreach ( $this->names as $name ) {
				$magic = MagicWord::get( $name );
				$case = intval( $magic->isCaseSensitive() );
				foreach ( $magic->getSynonyms() as $i => $syn ) {
					$group = "(?P<{$i}_{$name}>" . preg_quote( $syn, '/' ) . ')';
					if ( $this->baseRegex[$case] === '' ) {
						$this->baseRegex[$case] = $group;
					} else {
						$this->baseRegex[$case] .= '|' . $group;
					}
				}
			}
		}
		return $this->baseRegex;

}

/**

  • Get an unanchored regex that does not match parameters
	 */

function getRegex() {

		if ( is_null( $this->regex ) ) {
			$base = $this->getBaseRegex();
			$this->regex = array( '', '' );
			if ( $this->baseRegex[0] !== '' ) {
				$this->regex[0] = "/{$base[0]}/iuS";
			}
			if ( $this->baseRegex[1] !== '' ) {
				$this->regex[1] = "/{$base[1]}/S";
			}
		}
		return $this->regex;

}

/**

  • Get a regex for matching variables with parameters
	 */

function getVariableRegex() {

		return str_replace( "\\$1", "(.*?)", $this->getRegex() );

}

/**

  • Get a regex anchored to the start of the string that does not match parameters
	 */

function getRegexStart() {

		$base = $this->getBaseRegex();
		$newRegex = array( '', '' );
		if ( $base[0] !== '' ) {
			$newRegex[0] = "/^(?:{$base[0]})/iuS";
		}
		if ( $base[1] !== '' ) {
			$newRegex[1] = "/^(?:{$base[1]})/S"; 
		}
		return $newRegex;

}

/**

  • Get an anchored regex for matching variables with parameters
	 */

function getVariableStartToEndRegex() {

		$base = $this->getBaseRegex();
		$newRegex = array( '', '' );
		if ( $base[0] !== '' ) {
			$newRegex[0] = str_replace( "\\$1", "(.*?)", "/^(?:{$base[0]})$/iuS" );
		}
		if ( $base[1] !== '' ) {
			$newRegex[1] = str_replace( "\\$1", "(.*?)", "/^(?:{$base[1]})$/S" );
		}
		return $newRegex;

}

/**

  • Parse a match array from preg_match
  • Returns array(magic word ID, parameter value)
  • If there is no parameter value, that element will be false.
	 */

function parseMatch( $m ) {

		reset( $m );
		while ( list( $key, $value ) = each( $m ) ) {
			if ( $key === 0 || $value === '' ) {
				continue;
			}
			$parts = explode( '_', $key, 2 );
			if ( count( $parts ) != 2 ) {
				// This shouldn't happen
				// continue;
				throw new MWException( __METHOD__ . ': bad parameter name' );
			}
			list( /* $synIndex */, $magicName ) = $parts;
			$paramValue = next( $m );
			return array( $magicName, $paramValue );
		}
		// This shouldn't happen either
		throw new MWException( __METHOD__.': parameter not found' );

}

/**

  • Match some text, with parameter capture
  • Returns an array with the magic word name in the first element and the
  • parameter in the second element.
  • Both elements are false if there was no match.
	 */

public function matchVariableStartToEnd( $text ) {

		$regexes = $this->getVariableStartToEndRegex();
		foreach ( $regexes as $regex ) {
			if ( $regex !== '' ) {
				$m = false;
				if ( preg_match( $regex, $text, $m ) ) {
					return $this->parseMatch( $m );
				}
			}
		}
		return array( false, false );

}

/**

  • Match some text, without parameter capture
  • Returns the magic word name, or false if there was no capture
	 */

public function matchStartToEnd( $text ) {

		$hash = $this->getHash();
		if ( isset( $hash[1][$text] ) ) {
			return $hash[1][$text];
		}
		global $wgContLang;
		$lc = $wgContLang->lc( $text );
		if ( isset( $hash[0][$lc] ) ) {
			return $hash[0][$lc];
		}
		return false;

}

/**

  • Returns an associative array, ID => param value, for all items that match
  • Removes the matched items from the input string (passed by reference)
	 */

public function matchAndRemove( &$text ) {

		$found = array();
		$regexes = $this->getRegex();
		foreach ( $regexes as $regex ) {
			if ( $regex === '' ) {
				continue;
			}
			preg_match_all( $regex, $text, $matches, PREG_SET_ORDER );
			foreach ( $matches as $m ) {
				list( $name, $param ) = $this->parseMatch( $m );
				$found[$name] = $param;
			}
			$text = preg_replace( $regex, '', $text );
		}
		return $found;

}

/**

  • Return the ID of the magic word at the start of $text, and remove
  • the prefix from $text.
  • Return false if no match found and $text is not modified.
  • Does not match parameters.
	 */

public function matchStartAndRemove( &$text ) {

		$regexes = $this->getRegexStart();
		foreach ( $regexes as $regex ) {
			if ( $regex === '' ) {
				continue;
			}
			if ( preg_match( $regex, $text, $m ) ) {
				list( $id, ) = $this->parseMatch( $m );
				if ( strlen( $m[0] ) >= strlen( $text ) ) {
					$text = '';
				} else {
					$text = substr( $text, strlen( $m[0] ) );
				}
				return $id;
			}
		}
		return false;

}
}

Thank you Danny, I dont modificate the file

Aklapper closed this task as "Invalid".EditedMay 31 2016, 2:36 PM

Hi @AlejandroUY.
This does not sound like something is wrong in the code base (a so-called "software bug"), but instead like a support request (how to change settings or configuration).
As Wikimedia Phabricator/Maniphest is for bug reports and enhancement requests, please ask on the MediaWiki Support Desk and also mention your exact MediaWiki version and steps to reproduce the problem and if you have changed any lines in the file yourself. Thanks for your understanding!

My guess in this case is T60640 and related support threads are:

For future reference, see https://mediawiki.org/wiki/How_to_report_a_bug - again, thanks!