<?php /* * This file is part of Twig. * * (c) 2009 Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ class Twig_Node_Expression_Array extends Twig_Node_Expression { protected $index; public function __construct(array $elements, $lineno) { parent::__construct($elements, array(), $lineno); $this->index = -1; foreach ($this->getKeyValuePairs() as $pair) { if ($pair['key'] instanceof Twig_Node_Expression_Constant && ctype_digit((string) $pair['key']->getAttribute('value')) && $pair['key']->getAttribute('value') > $this->index) { $this->index = $pair['key']->getAttribute('value'); } } } public function getKeyValuePairs() { $pairs = array(); foreach (array_chunk($this->nodes, 2) as $pair) { $pairs[] = array( 'key' => $pair[0], 'value' => $pair[1], ); } return $pairs; } public function hasElement(Twig_Node_Expression $key) { foreach ($this->getKeyValuePairs() as $pair) { // we compare the string representation of the keys // to avoid comparing the line numbers which are not relevant here. if ((string) $key == (string) $pair['key']) { return true; } } return false; } public function addElement(Twig_Node_Expression $value, Twig_Node_Expression $key = null) { if (null === $key) { $key = new Twig_Node_Expression_Constant(++$this->index, $value->getLine()); } array_push($this->nodes, $key, $value); } /** * Compiles the node to PHP. * * @param Twig_Compiler A Twig_Compiler instance */ public function compile(Twig_Compiler $compiler) { $compiler->raw('array('); $first = true; foreach ($this->getKeyValuePairs() as $pair) { if (!$first) { $compiler->raw(', '); } $first = false; $compiler ->subcompile($pair['key']) ->raw(' => ') ->subcompile($pair['value']) ; } $compiler->raw(')'); } }