/usr/share/php/Symfony/Component/ExpressionLanguage/Node/ArrayNode.php is in php-symfony-expression-language 3.4.6+dfsg-1.
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/*
* 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 ArrayNode extends Node
{
protected $index;
public function __construct()
{
$this->index = -1;
}
public function addElement(Node $value, Node $key = null)
{
if (null === $key) {
$key = new ConstantNode(++$this->index);
}
array_push($this->nodes, $key, $value);
}
/**
* Compiles the node to PHP.
*/
public function compile(Compiler $compiler)
{
$compiler->raw('array(');
$this->compileArguments($compiler);
$compiler->raw(')');
}
public function evaluate($functions, $values)
{
$result = array();
foreach ($this->getKeyValuePairs() as $pair) {
$result[$pair['key']->evaluate($functions, $values)] = $pair['value']->evaluate($functions, $values);
}
return $result;
}
public function toArray()
{
$value = array();
foreach ($this->getKeyValuePairs() as $pair) {
$value[$pair['key']->attributes['value']] = $pair['value'];
}
$array = array();
if ($this->isHash($value)) {
foreach ($value as $k => $v) {
$array[] = ', ';
$array[] = new ConstantNode($k);
$array[] = ': ';
$array[] = $v;
}
$array[0] = '{';
$array[] = '}';
} else {
foreach ($value as $v) {
$array[] = ', ';
$array[] = $v;
}
$array[0] = '[';
$array[] = ']';
}
return $array;
}
protected function getKeyValuePairs()
{
$pairs = array();
foreach (array_chunk($this->nodes, 2) as $pair) {
$pairs[] = array('key' => $pair[0], 'value' => $pair[1]);
}
return $pairs;
}
protected function compileArguments(Compiler $compiler, $withKeys = true)
{
$first = true;
foreach ($this->getKeyValuePairs() as $pair) {
if (!$first) {
$compiler->raw(', ');
}
$first = false;
if ($withKeys) {
$compiler
->compile($pair['key'])
->raw(' => ')
;
}
$compiler->compile($pair['value']);
}
}
}
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