Updates for release of version 3.8.

CHANGES.txt

@@ -1,3 +1,16 @@
+Version 3.8 (23/02/2021)
+-----------
+- Added SteppedLineGraph and MultiSteppedLineGraph graph types.
+- Added force_block_label_x option.
+- Added axis_zero_y option.
+- Added data_label_opacity option.
+- Added various line spacing options.
+- Added localization of date strings.
+- Improved timezone support for date/time values.
+- Fixed axis label position on graphs with negative values.
+- Fixed date conversion problems in guideline positions.
+- Fixed empty legend entry on multi-line graphs with single point in dataset.
+
 Version 3.7 (27/11/2020)
 -----------
 - Added options for displaying mean average lines.

README.txt

@@ -1,4 +1,4 @@
-SVGGraph Library version 3.7
+SVGGraph Library version 3.8
 ============================
 
 This library provides PHP classes and functions for easily creating SVG
@@ -36,6 +36,11 @@ At the moment these types of graph are supported by SVGGraph:
 
  MultiLineGraph  - multiple data sets drawn as lines on one graph;
 
+ SteppedLineGraph - a line graph with its lines drawin in horizonal and vertical
+                    steps;
+
+ MultiSteppedLineGraph - a MultiLineGraph, but using stepped lines;
+
  StackedBarGraph - multiple data sets drawn as bars, stacked one on top of
                    another;
 
@@ -306,4 +311,4 @@ For more information about this software please contact the author,
 graham(at)goat1000.com or visit the website: http://www.goat1000.com/
 
 
-Copyright (C) 2009-2020 Graham Breach
+Copyright (C) 2009-2021 Graham Breach

SVGGraph.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright (C) 2009-2020 Graham Breach
+ * Copyright (C) 2009-2021 Graham Breach
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -25,7 +25,7 @@ class SVGGraph {
 
   use SVGGraphTrait;
 
-  const VERSION = 'SVGGraph 3.7';
+  const VERSION = 'SVGGraph 3.8';
   private $width = 100;
   private $height = 100;
   private $settings = [];