Symfony Profiler

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Twig\DataCollector;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\DataCollector\DataCollector;
use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface;
use Twig\Environment;
use Twig\Error\LoaderError;
use Twig\Markup;
use Twig\Profiler\Dumper\HtmlDumper;
use Twig\Profiler\Profile;
/**
* TwigDataCollector.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final since Symfony 4.4
*/
class TwigDataCollector extends DataCollector implements LateDataCollectorInterface
{
private $profile;
private $twig;
private $computed;
public function __construct(Profile $profile, Environment $twig = null)
{
$this->profile = $profile;
$this->twig = $twig;
}
/**
* {@inheritdoc}
*
* @param \Throwable|null $exception
*/
public function collect(Request $request, Response $response/*, \Throwable $exception = null*/)
{
}
/**
* {@inheritdoc}
*/
public function reset()
{
$this->profile->reset();
$this->computed = null;
$this->data = [];
}
/**
* {@inheritdoc}
*/
public function lateCollect()
{
$this->data['profile'] = serialize($this->profile);
$this->data['template_paths'] = [];
if (null === $this->twig) {
return;
}
$templateFinder = function (Profile $profile) use (&$templateFinder) {
if ($profile->isTemplate()) {
try {
$template = $this->twig->load($name = $profile->getName());
} catch (LoaderError $e) {
$template = null;
}
if (null !== $template && '' !== $path = $template->getSourceContext()->getPath()) {
$this->data['template_paths'][$name] = $path;
}
}
foreach ($profile as $p) {
$templateFinder($p);
}
};
$templateFinder($this->profile);
}
public function getTime()
{
return $this->getProfile()->getDuration() * 1000;
}
public function getTemplateCount()
{
return $this->getComputedData('template_count');
}
public function getTemplatePaths()
{
return $this->data['template_paths'];
}
public function getTemplates()
{
return $this->getComputedData('templates');
}
public function getBlockCount()
{
return $this->getComputedData('block_count');
}
public function getMacroCount()
{
return $this->getComputedData('macro_count');
}
public function getHtmlCallGraph()
{
$dumper = new HtmlDumper();
$dump = $dumper->dump($this->getProfile());
// needed to remove the hardcoded CSS styles
$dump = str_replace([
'',
'',
'',
'',
], [
'',
'',
'',
'',
], $dump);
return new Markup($dump, 'UTF-8');
}
public function getProfile()
{
if (null === $this->profile) {
$this->profile = unserialize($this->data['profile'], ['allowed_classes' => ['Twig_Profiler_Profile', 'Twig\Profiler\Profile']]);
}
return $this->profile;
}
private function getComputedData(string $index)
{
if (null === $this->computed) {
$this->computed = $this->computeData($this->getProfile());
}
return $this->computed[$index];
}
private function computeData(Profile $profile)
{
$data = [
'template_count' => 0,
'block_count' => 0,
'macro_count' => 0,
];
$templates = [];
foreach ($profile as $p) {
$d = $this->computeData($p);
$data['template_count'] += ($p->isTemplate() ? 1 : 0) + $d['template_count'];
$data['block_count'] += ($p->isBlock() ? 1 : 0) + $d['block_count'];
$data['macro_count'] += ($p->isMacro() ? 1 : 0) + $d['macro_count'];
if ($p->isTemplate()) {
if (!isset($templates[$p->getTemplate()])) {
$templates[$p->getTemplate()] = 1;
} else {
++$templates[$p->getTemplate()];
}
}
foreach ($d['templates'] as $template => $count) {
if (!isset($templates[$template])) {
$templates[$template] = $count;
} else {
$templates[$template] += $count;
}
}
}
$data['templates'] = $templates;
return $data;
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'twig';
}
}

vendor/symfony/twig-bridge/DataCollector/TwigDataCollector.php line 77