Minor documentation additions

Change-Id: I876de41b2c81d93df34ee2a8222aff6dc8176aae

Convert.php

@@ -5,6 +5,10 @@ if ( !defined( 'MEDIAWIKI' ) ) {
 }
 
 class ConvertError extends MWException {
+
+	/**
+	 * @param $msg string
+	 */
 	public function __construct( $msg /*...*/ ) {
 		$args = func_get_args();
 		array_shift( $args );
@@ -203,7 +207,8 @@ class ConvertParser {
 	/**
 	 * Find the unit at the end of the string and load $this->sourceUnit with an appropriate
 	 * ConvertUnit, or throw an exception if the unit is unrecognised.
-	 * @param  $string
+	 * @param $string string
+	 * @throws ConvertError
 	 */
 	protected function deduceSourceUnit( $string ){
 		# Get the unit from the end of the string
@@ -407,9 +412,10 @@ class ConvertDimension {
 	/**
 	 * Constructor
 	 * @param $var ConvertDimension|Int a dimension constant or existing unit
-	 * @param  $var2 ConvertDimension|Int optionally another dimension constant for a compound unit $var/$var2
+	 * @param $var2 ConvertDimension|Int|null optionally another dimension constant for a compound unit $var/$var2
+	 * @throws ConvertError
 	 */
-	public function __construct( $var, $var2=null ){
+	public function __construct( $var, $var2 = null ){
 		static $legalDimensionsFlip;
 
 		if( is_string( $var ) ){
@@ -707,6 +713,7 @@ class ConvertUnit {
 	/**
 	 * Parse a raw unit string, and populate member variables
 	 * @param $rawUnit String
+	 * @throws ConvertError
 	 */
 	protected function parseUnit( $rawUnit ){
 
@@ -721,7 +728,7 @@ class ConvertUnit {
 		array_map( 'trim', $parts );
 		if( count( $parts ) == 1 ){
 			# Single unit
-			foreach( self::$units as $dimension => $units ){
+			foreach( self::$units as $units ){
 				foreach( $units as $unit => $data ){
 					if( $rawUnit == $unit
 						|| ( !$data[2] && preg_match( "/^({$data[1]})$/u", $parts[0] ) )
@@ -770,7 +777,7 @@ class ConvertUnit {
 	/**
 	 * Get the mathematical factor which will convert a measurement in this unit into a
 	 * measurement in the SI base unit for the dimension
-	 * @return double
+	 * @return number double
 	 */
 	public function getConversion(){
 		return $this->conversion * $this->getPrefixConversion();
@@ -778,7 +785,7 @@ class ConvertUnit {
 
 	/**
 	 * Get the conversion factor associated with the prefix(es) in the unit
-	 * @return double
+	 * @return number double
 	 */
 	public function getPrefixConversion(){
 		if( !$this->prefix ){

Expr.php

@@ -47,6 +47,10 @@ define( 'EXPR_POW', 35 );
 define( 'EXPR_PI', 36 );
 
 class ExprError extends MWException {
+	/**
+	 * @param $msg string
+	 * @param $parameter string
+	 */
 	public function __construct( $msg, $parameter = '' ) {
 		$this->message = '<strong class="error">' . wfMsgForContent( "pfunc_expr_$msg", htmlspecialchars( $parameter ) ) . '</strong>';
 	}
@@ -158,6 +162,7 @@ class ExprParser {
 	 * http://montcs.bloomu.edu/~bobmon/Information/RPN/infix2rpn.shtml
 	 * It's essentially the same as Dijkstra's shunting yard algorithm.
 	 * @param $expr string
+	 * @throws ExprError
 	 * @return string
 	 */
 	function doExpression( $expr ) {

ParserFunctions_body.php

@@ -372,7 +372,7 @@ class ExtParserFunctions {
 				 * since their existence can be checked without
 				 * accessing the database.
 				 */
-				return SpecialPage::exists( $title->getDBkey() ) ? $then : $else;
+				return SpecialPageFactory::exists( $title->getDBkey() ) ? $then : $else;
 			} elseif ( $title->isExternal() ) {
 				/* Can't check the existence of pages on other sites,
 				 * so just return $else.  Makes a sort of sense, since
@@ -524,7 +524,7 @@ class ExtParserFunctions {
 	 * Obtain a specified number of slash-separated parts of a title,
 	 * e.g. {{#titleparts:Hello/World|1}} => "Hello"
 	 *
-	 * @param $parser Parent parser
+	 * @param $parser Parser Parent parser
 	 * @param $title string Title to split
 	 * @param $parts int Number of parts to keep
 	 * @param $offset int Offset starting at 1
@@ -626,7 +626,7 @@ class ExtParserFunctions {
 	 * Note: If the needle is not found, empty string is returned.
 	 * @param $parser Parser
 	 * @param $inStr string
-	 * @param $inNeedle int
+	 * @param $inNeedle int|string
 	 * @param $inOffset int
 	 * @return int|string
 	 */
@@ -660,7 +660,7 @@ class ExtParserFunctions {
 	 * Note: If the needle is not found, -1 is returned.
 	 * @param $parser Parser
 	 * @param $inStr string
-	 * @param $inNeedle int
+	 * @param $inNeedle int|string
 	 * @return int|string
 	 */
 	public static function runRPos ( $parser, $inStr = '', $inNeedle = '' ) {