Fix: Added the suggestions

Author: Sambit003

composer.json

@@ -113,8 +113,6 @@
         "phpoffice/math": "^0.2"
     },
     "require-dev": {
-        "ext-zip": "*",
-        "ext-gd": "*",
         "ext-libxml": "*",
         "dompdf/dompdf": "^2.0 || ^3.0",
         "friendsofphp/php-cs-fixer": "^3.3",

src/PhpWord/Writer/EPub3/Element/AbstractElement.php

@@ -31,10 +31,8 @@ abstract class AbstractElement extends Word2007AbstractElement
      * Get class name of writer element based on read element.
      *
      * @param \PhpOffice\PhpWord\Element\AbstractElement $element
-     *
-     * @return string
      */
-    public static function getElementClass($element)
+    public static function getElementClass($element): string
     {
         $elementClass = str_replace('PhpOffice\\PhpWord\\Element\\', '', get_class($element));
         $writerClass = 'PhpOffice\\PhpWord\\Writer\\EPub3\\Element\\' . $elementClass;

src/PhpWord/Writer/EPub3/Element/Text.php

@@ -2,8 +2,6 @@
 
 namespace PhpOffice\PhpWord\Writer\EPub3\Element;
 
-use PhpOffice\PhpWord\Element\TrackChange;
-
 /**
  * Text element writer for EPub3.
  */
@@ -39,9 +37,7 @@ public function write(): void
             }
         }
 
-        $this->writeTrackChanges($element->getTrackChange(), true);
         $xmlWriter->text($element->getText());
-        $this->writeTrackChanges($element->getTrackChange(), false);
 
         if (!empty($fontStyle)) {
             $xmlWriter->endElement(); // span
@@ -51,33 +47,4 @@ public function write(): void
             $xmlWriter->endElement(); // p
         }
     }
-
-    /**
-     * Write track changes.
-     */
-    private function writeTrackChanges(?TrackChange $trackChange, bool $isStart): void
-    {
-        if ($trackChange === null) {
-            return;
-        }
-
-        $xmlWriter = $this->getXmlWriter();
-        if ($trackChange->getChangeType() === TrackChange::INSERTED) {
-            $xmlWriter->writeRaw("\n    ");
-            $xmlWriter->startElement('ins');
-            $xmlWriter->writeAttribute('class', 'phpword-change');
-            $xmlWriter->writeAttribute('data-change-id', $trackChange->getElementId());
-            if (!$isStart) {
-                $xmlWriter->endElement();
-            }
-        } elseif ($trackChange->getChangeType() === TrackChange::DELETED) {
-            $xmlWriter->writeRaw("\n    ");
-            $xmlWriter->startElement('del');
-            $xmlWriter->writeAttribute('class', 'phpword-change');
-            $xmlWriter->writeAttribute('data-change-id', $trackChange->getElementId());
-            if (!$isStart) {
-                $xmlWriter->endElement();
-            }
-        }
-    }
 }

src/PhpWord/Writer/EPub3/Part/AbstractPart.php

@@ -34,10 +34,8 @@ abstract class AbstractPart
 
     /**
      * Set parent writer.
-     *
-     * @return self
      */
-    public function setParentWriter(AbstractWriter $writer)
+    public function setParentWriter(AbstractWriter $writer): self
     {
         $this->parentWriter = $writer;
 
@@ -46,18 +44,14 @@ public function setParentWriter(AbstractWriter $writer)
 
     /**
      * Get parent writer.
-     *
-     * @return AbstractWriter
      */
-    public function getParentWriter()
+    public function getParentWriter(): AbstractWriter
     {
         return $this->parentWriter;
     }
 
     /**
      * Write part content.
-     *
-     * @return string
      */
-    abstract public function write();
+    abstract public function write(): string;
 }

src/PhpWord/Writer/EPub3/Part/Content.php

@@ -25,10 +25,8 @@ class Content extends AbstractPart
 {
     /**
      * Write part content.
-     *
-     * @return string
      */
-    public function write()
+    public function write(): string
     {
         $content = '<?xml version="1.0" encoding="UTF-8"?>';
         $content .= '<package xmlns="http://www.idpf.org/2007/opf" version="3.0">';

src/PhpWord/Writer/EPub3/Part/Manifest.php

@@ -25,10 +25,8 @@ class Manifest extends AbstractPart
 {
     /**
      * Write part content.
-     *
-     * @return string
      */
-    public function write()
+    public function write(): string
     {
         $content = '<?xml version="1.0" encoding="UTF-8"?>';
         $content .= '<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">';

src/PhpWord/Writer/EPub3/Part/Meta.php

@@ -27,10 +27,8 @@ class Meta extends AbstractPart
 {
     /**
      * Get XML Writer.
-     *
-     * @return XMLWriter
      */
-    protected function getXmlWriter()
+    protected function getXmlWriter(): XMLWriter
     {
         $xmlWriter = new XMLWriter();
         $xmlWriter->openMemory();

src/PhpWord/Writer/EPub3/Part/Mimetype.php

@@ -25,10 +25,8 @@ class Mimetype extends AbstractPart
 {
     /**
      * Write part content.
-     *
-     * @return string
      */
-    public function write()
+    public function write(): string
     {
         return 'application/epub+zip';
     }

src/PhpWord/Writer/EPub3/Style/AbstractStyle.php

@@ -42,10 +42,8 @@ abstract class AbstractStyle
 
     /**
      * Set parent writer.
-     *
-     * @return self
      */
-    public function setParentWriter(AbstractWriter $writer)
+    public function setParentWriter(AbstractWriter $writer): self
     {
         $this->parentWriter = $writer;
 
@@ -54,10 +52,8 @@ public function setParentWriter(AbstractWriter $writer)
 
     /**
      * Set XML Writer.
-     *
-     * @return self
      */
-    public function setXmlWriter(XMLWriter $writer)
+    public function setXmlWriter(XMLWriter $writer): self
     {
         $this->xmlWriter = $writer;
 
@@ -66,18 +62,14 @@ public function setXmlWriter(XMLWriter $writer)
 
     /**
      * Get parent writer.
-     *
-     * @return AbstractWriter
      */
-    public function getParentWriter()
+    public function getParentWriter(): AbstractWriter
     {
         return $this->parentWriter;
     }
 
     /**
      * Write style content.
-     *
-     * @return string
      */
-    abstract public function write();
+    abstract public function write(): string;
 }

src/PhpWord/Writer/EPub3/Style/Font.php

@@ -25,10 +25,8 @@ class Font extends AbstractStyle
 {
     /**
      * Write style content.
-     *
-     * @return string
      */
-    public function write()
+    public function write(): string
     {
         $content = 'body {';
         $content .= 'font-family: "Times New Roman", Times, serif;';

src/PhpWord/Writer/EPub3/Style/Paragraph.php

@@ -25,10 +25,8 @@ class Paragraph extends AbstractStyle
 {
     /**
      * Write style content.
-     *
-     * @return string
      */
-    public function write()
+    public function write(): string
     {
         $content = 'p {';
         $content .= 'margin-top: 0;';

src/PhpWord/Writer/EPub3/Style/Table.php

@@ -25,10 +25,8 @@ class Table extends AbstractStyle
 {
     /**
      * Write style content.
-     *
-     * @return string
      */
-    public function write()
+    public function write(): string
     {
         $content = 'table {';
         $content .= 'border-collapse: collapse;';