cleaning up examples

Author: mk-j

README.md

@@ -48,20 +48,6 @@ foreach($data as $row)
 $writer->writeToFile('example.xlsx');
 ```
 
-Set document properties:
-```php
-$keywords = array('some','interesting','keywords');
-
-$writer = new XLSXWriter();
-
-$writer->setTitle('Some Title');
-$writer->setSubject('Some Subject');
-$writer->setAuthor('Some Author');
-$writer->setCompany('Some Company');
-$writer->setKeywords($keywords);
-$writer->setDescription('Some interesting description');
-```
-
 50000 rows: (1.4s, 0MB memory usage)
 ```php
 include_once("xlsxwriter.class.php");

example-cli.php

@@ -11,15 +11,8 @@
     array('2003','=B1', '23.5','2010-01-01 00:00:00','2012-12-31 00:00:00'),
 );
 
-$keywords = array('some','interesting','keywords');
-
 $writer = new XLSXWriter();
-$writer->setTitle('Some Title');
-$writer->setSubject('Some Subject');
-$writer->setAuthor('Some Author');
-$writer->setCompany('Some Company');
-$writer->setKeywords($keywords);
-$writer->setDescription('Some interesting description');
+$writer->setAuthor('Some Author'); 
 foreach($rows as $row)
 	$writer->writeSheetRow('Sheet1', $row);
 

example.php

@@ -16,15 +16,8 @@
     array('2003','=B1', '23.5','2010-01-01 00:00:00','2012-12-31 00:00:00'),
 );
 
-$keywords = array('some','interesting','keywords');
-
 $writer = new XLSXWriter();
-$writer->setTitle('Some Title');
-$writer->setSubject('Some Subject');
-$writer->setAuthor('Some Author');
-$writer->setCompany('Some Company');
-$writer->setKeywords($keywords);
-$writer->setDescription('Some interesting description');
+$writer->setAuthor('Some Author'); 
 foreach($rows as $row)
 	$writer->writeSheetRow('Sheet1', $row);
 $writer->writeToStdOut();

examples/ex02-formats.php

@@ -40,15 +40,8 @@
 $date = '2018-12-31 23:59:59';
 $amount = '5120.5';
 
-$keywords = array('some','interesting','keywords');
-
 $writer = new XLSXWriter();
-$writer->setTitle('Some Title');
-$writer->setSubject('Some Subject');
 $writer->setAuthor('Some Author');
-$writer->setCompany('Some Company');
-$writer->setKeywords($keywords);
-$writer->setDescription('Some interesting description');
 $writer->writeSheetHeader('BasicFormats',$sheet1header);
 $writer->writeSheetRow('BasicFormats',array($pi,$pi,$pi,$pi,$pi,$pi,$pi,$pi,$pi) );
 $writer->writeSheetHeader('Dates',$sheet2header);

xlsxwriter.class.php

@@ -587,7 +587,7 @@ protected function buildCoreXML()
 		$core_xml.='<dc:subject>'.self::xmlspecialchars($this->subject).'</dc:subject>';
 		$core_xml.='<dc:creator>'.self::xmlspecialchars($this->author).'</dc:creator>';
 		if (!empty($this->keywords)) {
-			$core_xml.='<cp:keywords>'.self::xmlspecialchars(implode (", ", $this->keywords)).'</cp:keywords>';
+			$core_xml.='<cp:keywords>'.self::xmlspecialchars(implode (", ", (array)$this->keywords)).'</cp:keywords>';
 		}		
 		$core_xml.='<dc:description>'.self::xmlspecialchars($this->description).'</dc:description>';		
 		$core_xml.='<cp:revision>0</cp:revision>';