TableParser.php

<?php

namespace SyntaxPhoenix\EJSParserBundle\Parser\Extension;

use DOMElement;
use DOMDocument;
use Masterminds\HTML5;
use SyntaxPhoenix\EJSParserBundle\Parser\EditorjsParserExtension;

class TableParser implements EditorjsParserExtension
{

    public function parseBlock(HTML5 $html5, DOMDocument $document, object $block, string $prefix): DOMElement
    {
        $wrapper = $document->createElement('div');

        $wrapper->setAttribute('class', "{$prefix}-table");

        $table = $document->createElement('table');

        $tableBody = $document->createElement('tbody');
        $tableHead = $document->createElement('thead');

        $withHeadings = isset($block->data->withHeadings) && $block->data->withHeadings === true;
        
        foreach ($block->data->content as $i => $row) {
            $isHeadingRow = $i === 0 && $withHeadings;

            $tableRow = $document->createElement('tr');
            foreach ($row as $item) {
                $tableDefinition = $document->createElement($isHeadingRow ? 'th' : 'td');
                if (strlen($item) > 0) {
                    $tableDefinition->appendChild($html5->loadHTMLFragment($item));
                }
                $tableRow->appendChild($tableDefinition);
            }

            if ($isHeadingRow) {
                $tableHead->appendChild($tableRow);
            } else {
                $tableBody->appendChild($tableRow);
            }
        }

        if ($withHeadings) {
            $table->appendChild($tableHead);
        }

        $table->appendChild($tableBody);

        $wrapper->appendChild($table);

        return $wrapper;
    }
}