From 1497bd1f36567a5ba39346af879abfbcc2539665 Mon Sep 17 00:00:00 2001
From: Reedy <reedy@wikimedia.org>
Date: Sun, 27 May 2012 13:10:08 +0100
Subject: [PATCH] Remove old compat methods/functions for mb_ functions

PHP docs suggest all were added well before our minimum version, and as such should exist

Change-Id: I6921b1374df0b997b3519699556528973882565a
---
 languages/Language.php | 113 ++++++++---------------------------------
 1 file changed, 21 insertions(+), 92 deletions(-)

diff --git a/languages/Language.php b/languages/Language.php
index ec2038395f..de45d37f32 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -19,9 +19,7 @@ if ( !defined( 'MEDIAWIKI' ) ) {
 global $wgLanguageNames;
 require_once( dirname( __FILE__ ) . '/Names.php' );
 
-if ( function_exists( 'mb_strtoupper' ) ) {
-	mb_internal_encoding( 'UTF-8' );
-}
+mb_internal_encoding( 'UTF-8' );
 
 /**
  * a fake language converter
@@ -2152,24 +2150,6 @@ class Language {
 		return mb_strtoupper( $matches[0] );
 	}
 
-	/**
-	 * @param $matches array
-	 * @return string
-	 */
-	function ucCallback( $matches ) {
-		list( $wikiUpperChars ) = self::getCaseMaps();
-		return strtr( $matches[1], $wikiUpperChars );
-	}
-
-	/**
-	 * @param $matches array
-	 * @return string
-	 */
-	function lcCallback( $matches ) {
-		list( , $wikiLowerChars ) = self::getCaseMaps();
-		return strtr( $matches[1], $wikiLowerChars );
-	}
-
 	/**
 	 * @param $matches array
 	 * @return string
@@ -2178,15 +2158,6 @@ class Language {
 		return mb_strtoupper( $matches[0] );
 	}
 
-	/**
-	 * @param $matches array
-	 * @return string
-	 */
-	function ucwordsCallbackWiki( $matches ) {
-		list( $wikiUpperChars ) = self::getCaseMaps();
-		return strtr( $matches[0], $wikiUpperChars );
-	}
-
 	/**
 	 * Make a string's first character uppercase
 	 *
@@ -2215,27 +2186,14 @@ class Language {
 	 * @return string
 	 */
 	function uc( $str, $first = false ) {
-		if ( function_exists( 'mb_strtoupper' ) ) {
-			if ( $first ) {
-				if ( $this->isMultibyte( $str ) ) {
-					return mb_strtoupper( mb_substr( $str, 0, 1 ) ) . mb_substr( $str, 1 );
-				} else {
-					return ucfirst( $str );
-				}
-			} else {
-				return $this->isMultibyte( $str ) ? mb_strtoupper( $str ) : strtoupper( $str );
-			}
-		} else {
+		if ( $first ) {
 			if ( $this->isMultibyte( $str ) ) {
-				$x = $first ? '^' : '';
-				return preg_replace_callback(
-					"/$x([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)/",
-					array( $this, 'ucCallback' ),
-					$str
-				);
+				return mb_strtoupper( mb_substr( $str, 0, 1 ) ) . mb_substr( $str, 1 );
 			} else {
-				return $first ? ucfirst( $str ) : strtoupper( $str );
+				return ucfirst( $str );
 			}
+		} else {
+			return $this->isMultibyte( $str ) ? mb_strtoupper( $str ) : strtoupper( $str );
 		}
 	}
 
@@ -2263,27 +2221,14 @@ class Language {
 	 * @return mixed|string
 	 */
 	function lc( $str, $first = false ) {
-		if ( function_exists( 'mb_strtolower' ) ) {
-			if ( $first ) {
-				if ( $this->isMultibyte( $str ) ) {
-					return mb_strtolower( mb_substr( $str, 0, 1 ) ) . mb_substr( $str, 1 );
-				} else {
-					return strtolower( substr( $str, 0, 1 ) ) . substr( $str, 1 );
-				}
-			} else {
-				return $this->isMultibyte( $str ) ? mb_strtolower( $str ) : strtolower( $str );
-			}
-		} else {
+		if ( $first ) {
 			if ( $this->isMultibyte( $str ) ) {
-				$x = $first ? '^' : '';
-				return preg_replace_callback(
-					"/$x([A-Z]|[\\xc0-\\xff][\\x80-\\xbf]*)/",
-					array( $this, 'lcCallback' ),
-					$str
-				);
+				return mb_strtolower( mb_substr( $str, 0, 1 ) ) . mb_substr( $str, 1 );
 			} else {
-				return $first ? strtolower( substr( $str, 0, 1 ) ) . substr( $str, 1 ) : strtolower( $str );
+				return strtolower( substr( $str, 0, 1 ) ) . substr( $str, 1 );
 			}
+		} else {
+			return $this->isMultibyte( $str ) ? mb_strtolower( $str ) : strtolower( $str );
 		}
 	}
 
@@ -2307,19 +2252,11 @@ class Language {
 			$replaceRegexp = "/^([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)| ([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)/";
 
 			// function to use to capitalize a single char
-			if ( function_exists( 'mb_strtoupper' ) ) {
-				return preg_replace_callback(
-					$replaceRegexp,
-					array( $this, 'ucwordsCallbackMB' ),
-					$str
-				);
-			} else {
-				return preg_replace_callback(
-					$replaceRegexp,
-					array( $this, 'ucwordsCallbackWiki' ),
-					$str
-				);
-			}
+			return preg_replace_callback(
+				$replaceRegexp,
+				array( $this, 'ucwordsCallbackMB' ),
+				$str
+			);
 		} else {
 			return ucwords( strtolower( $str ) );
 		}
@@ -2341,19 +2278,11 @@ class Language {
 			// find first letter after word break
 			$replaceRegexp = "/^([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)|$breaks([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)/";
 
-			if ( function_exists( 'mb_strtoupper' ) ) {
-				return preg_replace_callback(
-					$replaceRegexp,
-					array( $this, 'ucwordbreaksCallbackMB' ),
-					$str
-				);
-			} else {
-				return preg_replace_callback(
-					$replaceRegexp,
-					array( $this, 'ucwordsCallbackWiki' ),
-					$str
-				);
-			}
+			return preg_replace_callback(
+				$replaceRegexp,
+				array( $this, 'ucwordbreaksCallbackMB' ),
+				$str
+			);
 		} else {
 			return preg_replace_callback(
 				'/\b([\w\x80-\xff]+)\b/',
-- 
2.20.1