MODX pdf2image Snippet

pdf2image.php

<?php

# vars
$filePath = $modx->getOption('input', $scriptProperties, '');
$savePath = "assets/components/phpthumbof/cache/poster_" . md5($filePath) . ".jpg";

# check file exists and is PDF
if (!file_exists(MODX_BASE_PATH . $filePath) || mime_content_type(MODX_BASE_PATH . $filePath) != "application/pdf") {
    return $filePath;
}

# generate image
if (!file_exists(MODX_BASE_PATH . $savePath)) {
    $imagick = new Imagick(); 
    $imagick->readImage(MODX_BASE_PATH . $filePath);
    $imagick->writeImage(MODX_BASE_PATH . $savePath);
    $imagick->clear(); 
    $imagick->destroy();
}

return $savePath;