/**
* Output the PDF as a string.
*
* @return string The rendered PDF as string
* @throws \InvalidArgumentException
*/
public function output()
{
if ($this->html) {
return $this->snappy->getOutputFromHtml($this->html, $this->options);
}
if ($this->file) {
return $this->snappy->getOutput($this->file, $this->options);
}
throw new \InvalidArgumentException('Image Generator requires a html or file in order to produce output.');
}
<?php
require_once 'vendor/knplabs/knp-snappy/src/autoload.php';
$size = isset($_POST['size']) ? $_POST['size'] : 1;
use Knp\Snappy\Image;
$snappy = new Image('/usr/local/bin/wkhtmltoimage');
$snappy->setOption('disable-javascript', true);
$snappy->setOption('disable-local-file-access', true);
$snappy->setOption('quality', 100);
$snappy->setOption('zoom', $size);
$description = $size == 1 ? 'Normal' : ($size == 2 ? 'Big' : 'Large');
$filename = 'My NUSMods.com Timetable (' . $description . ').jpg';
header('Content-Type: image/jpeg');
header('Content-Disposition: attachment; filename=' . $filename);
echo $snappy->getOutputFromHtml(urldecode($_POST['html']));
<thead>
<tr>
<th>Nome</th>
<th>E-mail</th>
<th>Telefone</th>
</tr>
</thead>
<tbody>
<tr>
<td>Fulano da Silva</td>
<td>fulano@dasilva.com</td>
<td>11 99999-8888</td>
</tr>
<tr>
<td>Sicrano Santos</td>
<td>sicrano@gmail.com</td>
<td>11 99999-7777</td>
</tr>
<tr>
<td>João das Botas</td>
<td>j.botas@empresa.com.br</td>
<td>11 99999-6666</td>
</tr>
</thead>
</table>
EOD;
echo $snappy->getOutputFromHtml($html, ['encoding' => 'UTF8']);
// Se quiser salvar numa pasta do servidor ao invés mostrar no navegador,
// comente a linha do getOutputFromHtml(),
// descomente a linha abaixo e arrume o segundo parâmetro.
//$snappy->generateFromHtml($html, 'relatorio.png', ['encoding' => 'UTF8']);
