/**
* Converts the variable into a serializable Data instance.
*
* This array can be displayed in the template using
* the VarDumper component.
*
* @param mixed $var
*
* @return Data
*/
protected function cloneVar($var)
{
if (null === $this->cloner) {
if (class_exists(ClassStub::class)) {
$this->cloner = new VarCloner();
$this->cloner->setMaxItems(250);
$this->cloner->addCasters(array(
Stub::class => function (Stub $v, array $a, Stub $s, $isNested) {
return $isNested ? $a : StubCaster::castStub($v, $a, $s, true);
},
));
} else {
@trigger_error(sprintf('Using the %s() method without the VarDumper component is deprecated since version 3.2 and won\'t be supported in 4.0. Install symfony/var-dumper version 3.2 or above.', __METHOD__), E_USER_DEPRECATED);
$this->cloner = false;
}
}
if (false === $this->cloner) {
if (null === $this->valueExporter) {
$this->valueExporter = new ValueExporter();
}
return $this->valueExporter->exportValue($var);
}
return $this->cloner->cloneVar($this->decorateVar($var));
}
/**
* {@inheritdoc}
*/
public function dump(\Twig_Environment $env, $context)
{
// Return if 'debug' is `false` in Twig, or there's no logged on user _and_ `debug_show_loggedoff` in
// config.yml is `false`.
if (!$env->isDebug() || $this->users->getCurrentUser() === null && !$this->debugShowLoggedoff) {
return null;
}
if (func_num_args() === 2) {
$vars = [];
foreach ($context as $key => $value) {
if (!$value instanceof \Twig_Template) {
$vars[$key] = $value;
}
}
$vars = [$vars];
} else {
$vars = func_get_args();
unset($vars[0], $vars[1]);
}
$output = fopen('php://memory', 'r+b');
$prevOutput = $this->dumper->setOutput($output);
foreach ($vars as $value) {
$this->dumper->dump($this->cloner->cloneVar($value));
}
$this->dumper->setOutput($prevOutput);
rewind($output);
return stream_get_contents($output);
}
/**
* {@inheritdoc}
*/
public function dump(\Twig_Environment $env, $context)
{
if (!$env->isDebug()) {
return null;
}
if (func_num_args() === 2) {
$vars = [];
foreach ($context as $key => $value) {
if (!$value instanceof \Twig_Template) {
$vars[$key] = $value;
}
}
$vars = [$vars];
} else {
$vars = func_get_args();
unset($vars[0], $vars[1]);
}
$output = fopen('php://memory', 'r+b');
$prevOutput = $this->dumper->setOutput($output);
foreach ($vars as $value) {
$this->dumper->dump($this->cloner->cloneVar($value));
}
$this->dumper->setOutput($prevOutput);
rewind($output);
return stream_get_contents($output);
}
/**
* {@inheritdoc}
*/
protected function cloneVar($var, $isClass = false)
{
if ($var instanceof Data) {
return $var;
}
if (null === $this->cloner) {
if (class_exists(ClassStub::class)) {
$this->cloner = new VarCloner();
$this->cloner->setMaxItems(25);
$this->cloner->addCasters(array(
'*' => function ($v, array $a, Stub $s, $isNested) {
if ($isNested && !$v instanceof \DateTimeInterface) {
$s->cut = -1;
$a = array();
}
return $a;
},
\Exception::class => function (\Exception $e, array $a, Stub $s) {
if (isset($a[$k = "\0Exception\0previous"])) {
unset($a[$k]);
++$s->cut;
}
return $a;
},
FormInterface::class => function (FormInterface $f, array $a) {
return array(
Caster::PREFIX_VIRTUAL.'name' => $f->getName(),
Caster::PREFIX_VIRTUAL.'type_class' => new ClassStub(get_class($f->getConfig()->getType()->getInnerType())),
);
},
ConstraintViolationInterface::class => function (ConstraintViolationInterface $v, array $a) {
return array(
Caster::PREFIX_VIRTUAL.'root' => $v->getRoot(),
Caster::PREFIX_VIRTUAL.'path' => $v->getPropertyPath(),
Caster::PREFIX_VIRTUAL.'value' => $v->getInvalidValue(),
);
},
));
} else {
@trigger_error(sprintf('Using the %s() method without the VarDumper component is deprecated since version 3.2 and won\'t be supported in 4.0. Install symfony/var-dumper version 3.2 or above.', __METHOD__), E_USER_DEPRECATED);
$this->cloner = false;
}
}
if (false === $this->cloner) {
if (null === $this->valueExporter) {
$this->valueExporter = new ValueExporter();
}
return $this->valueExporter->exportValue($var);
}
if (null === $var) {
$type = $hash = 'null';
} elseif (array() === $var) {
$type = $hash = 'array';
} elseif ('object' === $type = gettype($var)) {
$hash = spl_object_hash($var);
} elseif ('double' === $type) {
$hash = (string) $var;
} elseif ('integer' === $type || 'string' === $type) {
$hash = $var;
} else {
$type = null;
}
if (null !== $type && null !== $cache = &$this->clonerCache[$type][$hash]) {
return $cache;
}
if ($isClass) {
return $cache = $this->cloner->cloneVar(array(new ClassStub($var)))->seek(0);
}
return $cache = $this->cloner->cloneVar($var);
}