/**
* 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($var));
}
/**
* {@inheritdoc}
*/
protected function cloneVar($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);
}