diff -r c7c34916027a -r 177826044cd9 wp/wp-includes/class-wp-http-encoding.php
--- a/wp/wp-includes/class-wp-http-encoding.php	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-includes/class-wp-http-encoding.php	Mon Oct 14 18:28:13 2019 +0200
@@ -23,8 +23,6 @@
 	 *
 	 * @since 2.8.0
 	 *
-	 * @static
-	 *
 	 * @param string $raw String to compress.
 	 * @param int $level Optional, default is 9. Compression level, 9 is highest.
 	 * @param string $supports Optional, not used. When implemented it will choose the right compression based on what the server supports.
@@ -44,31 +42,34 @@
 	 *
 	 * @since 2.8.0
 	 *
-	 * @static
-	 *
 	 * @param string $compressed String to decompress.
 	 * @param int $length The optional length of the compressed data.
 	 * @return string|bool False on failure.
 	 */
 	public static function decompress( $compressed, $length = null ) {
 
-		if ( empty($compressed) )
+		if ( empty( $compressed ) ) {
 			return $compressed;
+		}
 
-		if ( false !== ( $decompressed = @gzinflate( $compressed ) ) )
+		if ( false !== ( $decompressed = @gzinflate( $compressed ) ) ) {
 			return $decompressed;
+		}
 
-		if ( false !== ( $decompressed = self::compatible_gzinflate( $compressed ) ) )
+		if ( false !== ( $decompressed = self::compatible_gzinflate( $compressed ) ) ) {
 			return $decompressed;
+		}
 
-		if ( false !== ( $decompressed = @gzuncompress( $compressed ) ) )
+		if ( false !== ( $decompressed = @gzuncompress( $compressed ) ) ) {
 			return $decompressed;
+		}
 
-		if ( function_exists('gzdecode') ) {
+		if ( function_exists( 'gzdecode' ) ) {
 			$decompressed = @gzdecode( $compressed );
 
-			if ( false !== $decompressed )
+			if ( false !== $decompressed ) {
 				return $decompressed;
+			}
 		}
 
 		return $compressed;
@@ -91,38 +92,41 @@
 	 * @link https://secure.php.net/manual/en/function.gzinflate.php#70875
 	 * @link https://secure.php.net/manual/en/function.gzinflate.php#77336
 	 *
-	 * @static
-	 *
 	 * @param string $gzData String to decompress.
 	 * @return string|bool False on failure.
 	 */
-	public static function compatible_gzinflate($gzData) {
+	public static function compatible_gzinflate( $gzData ) {
 
 		// Compressed data might contain a full header, if so strip it for gzinflate().
-		if ( substr($gzData, 0, 3) == "\x1f\x8b\x08" ) {
-			$i = 10;
-			$flg = ord( substr($gzData, 3, 1) );
+		if ( substr( $gzData, 0, 3 ) == "\x1f\x8b\x08" ) {
+			$i   = 10;
+			$flg = ord( substr( $gzData, 3, 1 ) );
 			if ( $flg > 0 ) {
 				if ( $flg & 4 ) {
-					list($xlen) = unpack('v', substr($gzData, $i, 2) );
-					$i = $i + 2 + $xlen;
+					list($xlen) = unpack( 'v', substr( $gzData, $i, 2 ) );
+					$i          = $i + 2 + $xlen;
+				}
+				if ( $flg & 8 ) {
+					$i = strpos( $gzData, "\0", $i ) + 1;
+				}
+				if ( $flg & 16 ) {
+					$i = strpos( $gzData, "\0", $i ) + 1;
 				}
-				if ( $flg & 8 )
-					$i = strpos($gzData, "\0", $i) + 1;
-				if ( $flg & 16 )
-					$i = strpos($gzData, "\0", $i) + 1;
-				if ( $flg & 2 )
+				if ( $flg & 2 ) {
 					$i = $i + 2;
+				}
 			}
-			$decompressed = @gzinflate( substr($gzData, $i, -8) );
-			if ( false !== $decompressed )
+			$decompressed = @gzinflate( substr( $gzData, $i, -8 ) );
+			if ( false !== $decompressed ) {
 				return $decompressed;
+			}
 		}
 
 		// Compressed data from java.util.zip.Deflater amongst others.
-		$decompressed = @gzinflate( substr($gzData, 2) );
-		if ( false !== $decompressed )
+		$decompressed = @gzinflate( substr( $gzData, 2 ) );
+		if ( false !== $decompressed ) {
 			return $decompressed;
+		}
 
 		return false;
 	}
@@ -132,32 +136,34 @@
 	 *
 	 * @since 2.8.0
 	 *
-	 * @static
-	 *
 	 * @param string $url
 	 * @param array  $args
 	 * @return string Types of encoding to accept.
 	 */
 	public static function accept_encoding( $url, $args ) {
-		$type = array();
+		$type                = array();
 		$compression_enabled = self::is_available();
 
-		if ( ! $args['decompress'] ) // Decompression specifically disabled.
+		if ( ! $args['decompress'] ) { // Decompression specifically disabled.
+			$compression_enabled = false;
+		} elseif ( $args['stream'] ) { // Disable when streaming to file.
 			$compression_enabled = false;
-		elseif ( $args['stream'] ) // Disable when streaming to file.
+		} elseif ( isset( $args['limit_response_size'] ) ) { // If only partial content is being requested, we won't be able to decompress it.
 			$compression_enabled = false;
-		elseif ( isset( $args['limit_response_size'] ) ) // If only partial content is being requested, we won't be able to decompress it.
-			$compression_enabled = false;
+		}
 
 		if ( $compression_enabled ) {
-			if ( function_exists( 'gzinflate' ) )
+			if ( function_exists( 'gzinflate' ) ) {
 				$type[] = 'deflate;q=1.0';
+			}
 
-			if ( function_exists( 'gzuncompress' ) )
+			if ( function_exists( 'gzuncompress' ) ) {
 				$type[] = 'compress;q=0.5';
+			}
 
-			if ( function_exists( 'gzdecode' ) )
+			if ( function_exists( 'gzdecode' ) ) {
 				$type[] = 'gzip;q=0.5';
+			}
 		}
 
 		/**
@@ -172,7 +178,7 @@
 		 */
 		$type = apply_filters( 'wp_http_accept_encoding', $type, $url, $args );
 
-		return implode(', ', $type);
+		return implode( ', ', $type );
 	}
 
 	/**
@@ -180,8 +186,6 @@
 	 *
 	 * @since 2.8.0
 	 *
-	 * @static
-	 *
 	 * @return string Content-Encoding string to send in the header.
 	 */
 	public static function content_encoding() {
@@ -193,17 +197,16 @@
 	 *
 	 * @since 2.8.0
 	 *
-	 * @static
-	 *
 	 * @param array|string $headers All of the available headers.
 	 * @return bool
 	 */
-	public static function should_decode($headers) {
+	public static function should_decode( $headers ) {
 		if ( is_array( $headers ) ) {
-			if ( array_key_exists('content-encoding', $headers) && ! empty( $headers['content-encoding'] ) )
+			if ( array_key_exists( 'content-encoding', $headers ) && ! empty( $headers['content-encoding'] ) ) {
 				return true;
+			}
 		} elseif ( is_string( $headers ) ) {
-			return ( stripos($headers, 'content-encoding:') !== false );
+			return ( stripos( $headers, 'content-encoding:' ) !== false );
 		}
 
 		return false;
@@ -218,11 +221,9 @@
 	 *
 	 * @since 2.8.0
 	 *
-	 * @static
-	 *
 	 * @return bool
 	 */
 	public static function is_available() {
-		return ( function_exists('gzuncompress') || function_exists('gzdeflate') || function_exists('gzinflate') );
+		return ( function_exists( 'gzuncompress' ) || function_exists( 'gzdeflate' ) || function_exists( 'gzinflate' ) );
 	}
 }