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<?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\ExpressionLanguage\Node;
use Symfony\Component\ExpressionLanguage\Compiler;
/**
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
class ConstantNode extends Node
{
private $isIdentifier;
public function __construct($value, bool $isIdentifier = false)
{
$this->isIdentifier = $isIdentifier;
parent::__construct(
[],
['value' => $value]
);
}
public function compile(Compiler $compiler)
{
$compiler->repr($this->attributes['value']);
}
public function evaluate($functions, $values)
{
return $this->attributes['value'];
}
public function toArray()
{
$array = [];
$value = $this->attributes['value'];
if ($this->isIdentifier) {
$array[] = $value;
} elseif (true === $value) {
$array[] = 'true';
} elseif (false === $value) {
$array[] = 'false';
} elseif (null === $value) {
$array[] = 'null';
} elseif (is_numeric($value)) {
$array[] = $value;
} elseif (!\is_array($value)) {
$array[] = $this->dumpString($value);
} elseif ($this->isHash($value)) {
foreach ($value as $k => $v) {
$array[] = ', ';
$array[] = new self($k);
$array[] = ': ';
$array[] = new self($v);
}
$array[0] = '{';
$array[] = '}';
} else {
foreach ($value as $v) {
$array[] = ', ';
$array[] = new self($v);
}
$array[0] = '[';
$array[] = ']';
}
return $array;
}
}
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