Added check for samples files

.github/workflows/php.yml

@@ -93,3 +93,26 @@ jobs:
             wget https://github.com/php-coveralls/php-coveralls/releases/download/v2.4.3/php-coveralls.phar
             chmod +x php-coveralls.phar
             php php-coveralls.phar --coverage_clover=build/clover.xml --json_path=build/coveralls-upload.json -vvv
+
+  samples:
+    name: Check samples
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
+    steps:
+      -   name: Setup PHP
+          uses: shivammathur/setup-php@v2
+          with:
+              php-version: ${{ matrix.php }}
+              extensions: gd, xml, zip
+              coverage: xdebug
+
+      -   uses: actions/checkout@v2
+
+      -   name: Composer Install
+          run: composer install --ansi --prefer-dist --no-interaction --no-progress
+
+      -   name: Generate samples files
+          run: composer run samples

composer.json

@@ -37,5 +37,31 @@
         "psr-4": {
             "PhpOffice\\PhpPresentation\\": "src/PhpPresentation/"
         }
+    },
+    "scripts": {
+        "samples": [
+            "php samples/Sample_01_Complex.php",
+            "php samples/Sample_01_Simple.php",
+            "php samples/Sample_03_Image.php",
+            "php samples/Sample_03_Video.php",
+            "php samples/Sample_04_Table.php",
+            "php samples/Sample_05_Chart_Line.php",
+            "php samples/Sample_05_Chart.php",
+            "php samples/Sample_05_Chart_with_PhpSpreadsheet.php",
+            "php samples/Sample_06_Fill.php",
+            "php samples/Sample_07_Border.php",
+            "php samples/Sample_08_Group.php",
+            "php samples/Sample_09_SlideNote.php",
+            "php samples/Sample_10_Transition.php",
+            "php samples/Sample_11_Shape.php",
+            "php samples/Sample_13_MarkAsFinal.php",
+            "php samples/Sample_14_Zoom.php",
+            "php samples/Sample_15_Background.php",
+            "php samples/Sample_16_Thumbnail.php",
+            "php samples/Sample_17_Comment.php",
+            "php samples/Sample_18_Animation.php",
+            "php samples/Sample_19_SlideMaster.php",
+            "php samples/Sample_20_ExternalSlide.php"
+        ]
     }
 }

samples/Sample_03_Video.php

@@ -17,7 +17,10 @@
 $shape = new Media();
 $shape->setName('Video')
     ->setDescription('Video')
-    ->setPath('WIN' === strtoupper(substr(PHP_OS, 0, 3)) ? './resources/sintel_trailer-480p.wmv' : './resources/sintel_trailer-480p.ogv')
+    ->setPath(
+        __DIR__ . '/resources/sintel_trailer-480p' .
+        ('WIN' === strtoupper(substr(PHP_OS, 0, 3)) ? '.wmv' : '.ogv')
+    )
     ->setResizeProportional(false)
     ->setHeight(90)
     ->setWidth(90)

samples/Sample_08_Group.php

@@ -29,7 +29,7 @@
 $shape = $currentGroup->createDrawingShape();
 $shape->setName('PHPPresentation logo')
     ->setDescription('PHPPresentation logo')
-    ->setPath('./resources/phppowerpoint_logo.gif')
+    ->setPath(__DIR__ . '/resources/phppowerpoint_logo.gif')
     ->setHeight(36)
     ->setOffsetX(10)
     ->setOffsetY(10);

samples/Sample_09_SlideNote.php

@@ -24,7 +24,7 @@
 $shape = $currentSlide->createDrawingShape();
 $shape->setName('PHPPresentation logo')
     ->setDescription('PHPPresentation logo')
-    ->setPath('./resources/phppowerpoint_logo.gif')
+    ->setPath(__DIR__ . '/resources/phppowerpoint_logo.gif')
     ->setHeight(36)
     ->setOffsetX(10)
     ->setOffsetY(10);

samples/Sample_10_Transition.php

@@ -30,7 +30,7 @@
 $shapeDrawing = $slide0->createDrawingShape();
 $shapeDrawing->setName('PHPPresentation logo')
     ->setDescription('PHPPresentation logo')
-    ->setPath('./resources/phppowerpoint_logo.gif')
+    ->setPath(__DIR__ . '/resources/phppowerpoint_logo.gif')
     ->setHeight(36)
     ->setOffsetX(10)
     ->setOffsetY(10);

samples/Sample_15_Background.php

@@ -33,7 +33,7 @@
  * @link : http://publicdomainarchive.com/public-domain-images-cave-red-rocks-light-beam-cavern/
  */
 $oBkgImage = new Image();
-$oBkgImage->setPath('./resources/background.jpg');
+$oBkgImage->setPath(__DIR__ . '/resources/background.jpg');
 $oSlide2->setBackground($oBkgImage);
 
 // Save file

samples/Sample_19_SlideMaster.php

@@ -80,7 +80,7 @@
 $shape = $currentSlide->createDrawingShape();
 $shape->setName('PHPPresentation logo')
     ->setDescription('PHPPresentation logo')
-    ->setPath('./resources/phppowerpoint_logo.gif')
+    ->setPath(__DIR__ . '/resources/phppowerpoint_logo.gif')
     ->setHeight(36)
     ->setOffsetX(10)
     ->setOffsetY(10);

samples/Sample_Header.php

@@ -45,11 +45,6 @@
 // Set writers
 $writers = ['PowerPoint2007' => 'pptx', 'ODPresentation' => 'odp'];
 
-// Return to the caller script when runs by CLI
-if (CLI) {
-    return;
-}
-
 // Set titles and names
 $pageHeading = str_replace('_', ' ', SCRIPT_FILENAME);
 $pageTitle = IS_INDEX ? 'Welcome to ' : "{$pageHeading} - ";
@@ -59,7 +54,7 @@
 $oShapeDrawing = new Drawing\File();
 $oShapeDrawing->setName('PHPPresentation logo')
     ->setDescription('PHPPresentation logo')
-    ->setPath('./resources/phppowerpoint_logo.gif')
+    ->setPath(__DIR__ . '/resources/phppowerpoint_logo.gif')
     ->setHeight(36)
     ->setOffsetX(10)
     ->setOffsetY(10);
@@ -80,6 +75,11 @@
     ->setSize(60)
     ->setColor(new Color('FFE06B20'));
 
+// Return to the caller script when runs by CLI
+if (CLI) {
+    return;
+}
+
 // Populate samples
 $files = [];
 if ($handle = opendir('.')) {

src/PhpPresentation/Writer/ODPresentation/ObjectsChart.php

@@ -886,7 +886,7 @@ protected function writeTable(): void
                     $this->xmlContent->writeAttributeIf($cellValueTypeFloat, 'office:value', is_null($cell) ? 'NaN' : $cell);
                     // text:p
                     $this->xmlContent->startElement('text:p');
-                    $this->xmlContent->text(is_null($cell) ? 'NaN' : $cell);
+                    $this->xmlContent->text(is_null($cell) ? 'NaN' : (string) $cell);
                     $this->xmlContent->endElement();
                     // > table:table-cell
                     $this->xmlContent->endElement();