debug example

README.md

@@ -1,4 +1,4 @@
-# SimpleXLSXGen class 0.9.14 (Official)
+# SimpleXLSXGen class 0.9.15 (Official)
 [<img src="https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fshieldsio-patreon.herokuapp.com%2Fshuchkin" />](https://www.patreon.com/shuchkin) [<img src="https://img.shields.io/github/license/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/blob/master/license.md) [<img src="https://img.shields.io/github/stars/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/stargazers) [<img src="https://img.shields.io/github/forks/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/network) [<img src="https://img.shields.io/github/issues/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/issues)
 
 Export data to Excel XLSX file. PHP XLSX generator. No external tools and libraries.<br/>
@@ -48,7 +48,20 @@ SimpleXLSXGen::fromArray( $data )->saveAs('datatypes.xlsx');
 ```
 ![XLSX screenshot](datatypes.png)
 
+### Debug
+```php
+ini_set('error_reporting', E_ALL );
+ini_set('display_errors', 1 );
+
+$data = [
+    ['Debug', 123]
+]
+SimpleXLSXGen::fromArray( $data )->saveAs('debug.xlsx');
+```
+
+
 ## History
+v0.9.15 (2020-07-14) escape of shared strings for special chars in cells [#1](https://github.com/shuchkin/simplexlsxgen/issues/1) <br/>
 v0.9.14 (2020-05-31) fixed num2name A-Z,AA-AZ column names, thx Ertan Yusufoglu<br/>
 v0.9.13 (2020-05-21) if string more 160 chars, save as inlineStr<br/>
 v0.9.12 (2020-05-21) readme fixed<br/>

src/SimpleXLSXGen.php

@@ -208,10 +208,10 @@ class SimpleXLSXGen {
 							$cs = 5; // [22] m/d/yy h:mm
 						} elseif ( mb_strlen( $v ) > 160 ) {
 							$ct = 'inlineStr';
-							$cv = htmlentities( $v, ENT_QUOTES );
+							$cv = str_replace(['&','<','>'],['&amp;','&lt;','&gt;'], $v);
 						} else {
 							$ct = 's'; // shared string
-							$v = htmlentities($v, ENT_QUOTES);
+							$v = str_replace(['&','<','>'],['&amp;','&lt;','&gt;'], $v);
 							$cv             = array_search( $v, $SI, true );
 							if ( $cv === false ) {
 								$SI[] = $v;