composer require jhon/word_replacer_wrapper

You need to install LibreOffice.

require __DIR__ . '/vendor/autoload.php';

use Jsvptf\WordReplacerWrapper\WordReplacerWrapper;

//template to process
$template = 'templateDirectory/test.docx';

//array of ITypeTableChild elements
$tableData = [
        [
            new Text('a'),
            new Text('b'),
        ],
        [
            new Text('d'),
            new Table($nestedTableData),
        ]
];

//default configuration, array of IType elements
 
$data = [
    'field1' => new Text('xxxxxxxxxxx'),
    'field2' => new Table($tableData),
    'field3' => new Image('./images/test.png', 80, 80),
    'field4' => new Pagination('Page {PAGE} of {NUMPAGES}.'),
    'styleText' => new Text('some with style', [
        'size' => 20,
        'bold' => true,
        'name' => 'Courier New'
    ])
];

//folder for create files
$temporalDirectory = 'testOne';

$WordReplacerWrapper = new WordReplacerWrapper(
    'templateDirectory/test.docx', //docx template
    $data, //data to replace
    'prueba1', //destination folder
    'libreoffice' //libreoffice binary
);

//execute replace and convert to pdf
$routes = $WordReplacerWrapper->replaceData();

//routes
["template"]=>
  string(17) "testOne/test.docx"
["document"]=>
  string(26) "testOne/document_test.docx"
["pdf"]=>
  string(25) "testOne/document_test.pdf"

//if you want to know the required variables you can use  
$fields = $WordReplacerWrapper->getRequiredFields()

//$fields
array(7) {
  [0]=>
  string(6) "field1"
  [1]=>
  string(6) "field3"
  [5]=>
  string(6) "header"
  [6]=>
  string(6) "footer"
}

$WordReplacerWrapper->setData(['field1' => new Text('sebastian')]);
$WordReplacerWrapper->setTemporalDir('testTwo');
$routes = $WordReplacerWrapper->replaceData();

//routes
["template"]=>
  string(17) "testTwo/test.docx"
["document"]=>
  string(26) "testTwo/document_test.docx"
["pdf"]=>
  string(25) "testTwo/document_test.pdf"

$data = [
    'header' => new Table($tableData),
    'footer' => new Table($tableData)
    ...
];