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<?php
namespace Spatie\SchemaOrg\Generator;
use RuntimeError;
use Symfony\Component\DomCrawler\Crawler;
class Definitions
{
/** @var array */
protected $sources;
/** @var string */
protected $tempDir = __DIR__.'/temp';
public function __construct(array $sources)
$this->sources = $sources;
}
public function preload()
foreach ($this->sources as $sourceId => $sourcePath) {
$this->loadSource($sourceId, false);
public function query(string $sourceId, string $selector): Crawler
return (new Crawler($this->loadSource($sourceId)))->filter($selector);
public function getSourceIds(): array
return array_keys($this->sources);
protected function loadSource(string $sourceId, bool $fromCache = true): string
if (! isset($this->sources[$sourceId])) {
throw new RuntimeError("Source `{$sourceId}` doesn't exist");
$cachePath = $this->tempDir.'/'.$sourceId.'.rdfa';
if ($fromCache && file_exists($cachePath)) {
return file_get_contents($cachePath);
$rdfa = file_get_contents($this->sources[$sourceId]);
file_put_contents($cachePath, $rdfa);
return $rdfa;
spatie /
schema-org
