Exception has occurred.

ErrorException: Return type of PhpOffice\PhpWord\Shared\XMLWriter::writeAttribute($name, $value) should either be compatible with XMLWriter::writeAttribute(string $name, string $value): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

namespace App\Controllers\API;

use CodeIgniter\RESTful\ResourceController;
use PhpOffice\PhpWord\PhpWord;
use PhpOffice\PhpWord\Style\Font;



class OfficeController extends ResourceController
{
    //protected $office_word;
    //protected $office_font;
    public function __construct()
    {
        //$this->office_word = new PhpWord();
        //$this->office_font = new Font();
    }
    public function index()
    {
        // Creating the new document...
        $phpWord = new \PhpOffice\PhpWord\PhpWord();

        /* Note: any element you append to a document must reside inside of a Section. */

        // Adding an empty Section to the document...
        $section = $phpWord->addSection();
        // Adding Text element to the Section having font styled by default...
        $section->addText(
            '"Learn from yesterday, live for today, hope for tomorrow. '
                . 'The important thing is not to stop questioning." '
                . '(Albert Einstein)'
        );

        /*
        * Note: it's possible to customize font style of the Text element you add in three ways:
        * - inline;
        * - using named font style (new font style object will be implicitly created);
        * - using explicitly created font style object.
        */

        // Adding Text element with font customized inline...
        $section->addText(
            '"Great achievement is usually born of great sacrifice, '
                . 'and is never the result of selfishness." '
                . '(Napoleon Hill)',
            array('name' => 'Tahoma', 'size' => 10)
        );

        // Adding Text element with font customized using named font style...
        $fontStyleName = 'oneUserDefinedStyle';
        $phpWord->addFontStyle(
            $fontStyleName,
            array('name' => 'Tahoma', 'size' => 10, 'color' => '1B2232', 'bold' => true)
        );
        $section->addText(
            '"The greatest accomplishment is not in never falling, '
                . 'but in rising again after you fall." '
                . '(Vince Lombardi)',
            $fontStyleName
        );

        // Adding Text element with font customized using explicitly created font style object...
        $fontStyle = new \PhpOffice\PhpWord\Style\Font();
        $fontStyle->setBold(true);
        $fontStyle->setName('Tahoma');
        $fontStyle->setSize(13);
        $myTextElement = $section->addText('"Believe you can and you\'re halfway there." (Theodor Roosevelt)');
        $myTextElement->setFontStyle($fontStyle);

        // Saving the document as OOXML file...
        $objWriter = \PhpOffice\PhpWord\IOFactory::createWriter($phpWord, 'Word2007');
        $objWriter->save('php://output');
        //$objWriter->save('helloWorld.docx');

        // Saving the document as ODF file...
        //$objWriter = \PhpOffice\PhpWord\IOFactory::createWriter($phpWord, 'ODText');
        //$objWriter->save('helloWorld.odt');

        // Saving the document as HTML file...
        //$objWriter = \PhpOffice\PhpWord\IOFactory::createWriter($phpWord, 'HTML');
        //$objWriter->save('php://output');
    }
}

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