From 14f74d141ab5580688bfd46d2f74c026e43ed967 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Wed, 1 Apr 2015 06:11:44 +0200
Subject: Update to MediaWiki 1.24.2

---
 includes/api/ApiFormatWddx.php | 48 ++++++++++++++++++++++++++++++++++--------
 1 file changed, 39 insertions(+), 9 deletions(-)

(limited to 'includes/api')

diff --git a/includes/api/ApiFormatWddx.php b/includes/api/ApiFormatWddx.php
index ba90c260..ec3dc2d9 100644
--- a/includes/api/ApiFormatWddx.php
+++ b/includes/api/ApiFormatWddx.php
@@ -38,15 +38,7 @@ class ApiFormatWddx extends ApiFormatBase {
 	public function execute() {
 		$this->markDeprecated();
 
-		// Some versions of PHP have a broken wddx_serialize_value, see
-		// PHP bug 45314. Test encoding an affected character (U+00A0)
-		// to avoid this.
-		$expected =
-			"<wddxPacket version='1.0'><header/><data><string>\xc2\xa0</string></data></wddxPacket>";
-		if ( function_exists( 'wddx_serialize_value' )
-			&& !$this->getIsHtml()
-			&& wddx_serialize_value( "\xc2\xa0" ) == $expected
-		) {
+		if ( !$this->getIsHtml() && !static::useSlowPrinter() ) {
 			$this->printText( wddx_serialize_value( $this->getResultData() ) );
 		} else {
 			// Don't do newlines and indentation if we weren't asked
@@ -63,6 +55,44 @@ class ApiFormatWddx extends ApiFormatBase {
 		}
 	}
 
+	public static function useSlowPrinter() {
+		if ( !function_exists( 'wddx_serialize_value' ) ) {
+			return true;
+		}
+
+		// Some versions of PHP have a broken wddx_serialize_value, see
+		// PHP bug 45314. Test encoding an affected character (U+00A0)
+		// to avoid this.
+		$expected =
+			"<wddxPacket version='1.0'><header/><data><string>\xc2\xa0</string></data></wddxPacket>";
+		if ( wddx_serialize_value( "\xc2\xa0" ) !== $expected ) {
+			return true;
+		}
+
+		// Some versions of HHVM don't correctly encode ampersands.
+		$expected =
+			"<wddxPacket version='1.0'><header/><data><string>&amp;</string></data></wddxPacket>";
+		if ( wddx_serialize_value( '&' ) !== $expected ) {
+			return true;
+		}
+
+		// Some versions of HHVM don't correctly encode empty arrays as subvalues.
+		$expected =
+			"<wddxPacket version='1.0'><header/><data><array length='1'><array length='0'></array></array></data></wddxPacket>";
+		if ( wddx_serialize_value( array( array() ) ) !== $expected ) {
+			return true;
+		}
+
+		// Some versions of HHVM don't correctly encode associative arrays with numeric keys.
+		$expected =
+			"<wddxPacket version='1.0'><header/><data><struct><var name='2'><number>1</number></var></struct></data></wddxPacket>";
+		if ( wddx_serialize_value( array( 2 => 1 ) ) !== $expected ) {
+			return true;
+		}
+
+		return false;
+	}
+
 	/**
 	 * Recursively go through the object and output its data in WDDX format.
 	 * @param mixed $elemValue
-- 
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