Yu1709$!%yuyu!$%wutu!5=126+

                
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/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: VariableNode.php

<?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\Component\Config\Definition;

use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;

/**
 * This node represents a value of variable type in the config tree.
 *
 * This node is intended for values of arbitrary type.
 * Any PHP type is accepted as a value.
 *
 * @author Jeremy Mikola <jmikola@gmail.com>
 */
class VariableNode extends BaseNode implements PrototypeNodeInterface
{
    protected $defaultValueSet = false;
    protected $defaultValue;
    protected $allowEmptyValue = true;

/**
     * {@inheritDoc}
     */
    public function setDefaultValue($value)
    {
        $this->defaultValueSet = true;
        $this->defaultValue = $value;
    }

/**
     * {@inheritDoc}
     */
    public function hasDefaultValue()
    {
        return $this->defaultValueSet;
    }

/**
     * {@inheritDoc}
     */
    public function getDefaultValue()
    {
        return $this->defaultValue instanceof \Closure ? call_user_func($this->defaultValue) : $this->defaultValue;
    }

/**
     * Sets if this node is allowed to have an empty value.
     *
     * @param Boolean $boolean True if this entity will accept empty values.
     */
    public function setAllowEmptyValue($boolean)
    {
        $this->allowEmptyValue = (Boolean) $boolean;
    }

/**
     * {@inheritDoc}
     */
    public function setName($name)
    {
        $this->name = $name;
    }

/**
     * {@inheritDoc}
     */
    protected function validateType($value)
    {
    }

/**
     * {@inheritDoc}
     */
    protected function finalizeValue($value)
    {
        if (!$this->allowEmptyValue && empty($value)) {
            $ex = new InvalidConfigurationException(sprintf(
                'The path "%s" cannot contain an empty value, but got %s.',
                $this->getPath(),
                json_encode($value)
            ));
            $ex->setPath($this->getPath());

throw $ex;
        }

return $value;
    }

/**
     * {@inheritDoc}
     */
    protected function normalizeValue($value)
    {
        return $value;
    }

/**
     * {@inheritDoc}
     */
    protected function mergeValues($leftSide, $rightSide)
    {
        return $rightSide;
    }
}

Name	Type	Actions
Builder	Directory
Dumper	Directory
Exception	Directory
ArrayNode.php	File
BaseNode.php	File
BooleanNode.php	File
ConfigurationInterface.php	File
EnumNode.php	File
FloatNode.php	File
IntegerNode.php	File
NodeInterface.php	File
NumericNode.php	File
Processor.php	File
PrototypeNodeInterface.php	File
PrototypedArrayNode.php	File
ReferenceDumper.php	File
ScalarNode.php	File
VariableNode.php	File