namespace Symfony\Component\HttpKernel\DataCollector;
use Symfony\Component\HttpKernel\DataCollector\Util\ValueExporter;
+use Symfony\Component\VarDumper\Caster\ClassStub;
+use Symfony\Component\VarDumper\Caster\LinkStub;
+use Symfony\Component\VarDumper\Caster\StubCaster;
+use Symfony\Component\VarDumper\Cloner\ClonerInterface;
+use Symfony\Component\VarDumper\Cloner\Data;
+use Symfony\Component\VarDumper\Cloner\Stub;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
/**
* DataCollector.
*/
private $valueExporter;
+ /**
+ * @var ClonerInterface
+ */
+ private $cloner;
+
+ private static $stubsCache = array();
+
public function serialize()
{
return serialize($this->data);
$this->data = unserialize($data);
}
+ /**
+ * 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));
+ }
+
/**
* Converts a PHP variable to a string.
*
* @param mixed $var A PHP variable
*
* @return string The string representation of the variable
+ *
+ * @deprecated Deprecated since version 3.2, to be removed in 4.0. Use cloneVar() instead.
*/
protected function varToString($var)
{
+ @trigger_error(sprintf('The %s() method is deprecated since version 3.2 and will be removed in 4.0. Use cloneVar() instead.', __METHOD__), E_USER_DEPRECATED);
+
if (null === $this->valueExporter) {
$this->valueExporter = new ValueExporter();
}
return $this->valueExporter->exportValue($var);
}
+
+ private function decorateVar($var)
+ {
+ if (is_array($var)) {
+ if (isset($var[0], $var[1]) && is_callable($var)) {
+ return ClassStub::wrapCallable($var);
+ }
+ foreach ($var as $k => $v) {
+ if ($v !== $d = $this->decorateVar($v)) {
+ $var[$k] = $d;
+ }
+ }
+
+ return $var;
+ }
+ if (is_string($var)) {
+ if (isset(self::$stubsCache[$var])) {
+ return self::$stubsCache[$var];
+ }
+ if (false !== strpos($var, '\\')) {
+ $c = (false !== $i = strpos($var, '::')) ? substr($var, 0, $i) : $var;
+ if (class_exists($c, false) || interface_exists($c, false) || trait_exists($c, false)) {
+ return self::$stubsCache[$var] = new ClassStub($var);
+ }
+ }
+ if (false !== strpos($var, DIRECTORY_SEPARATOR) && false === strpos($var, '://') && false === strpos($var, "\0") && @is_file($var)) {
+ return self::$stubsCache[$var] = new LinkStub($var);
+ }
+ }
+
+ return $var;
+ }
}