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<?php declare(strict_types=1); |
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/* |
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* This file is part of the pinepain/js-sandbox PHP library. |
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* |
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* Copyright (c) 2016-2017 Bogdan Padalko <[email protected]> |
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* |
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* Licensed under the MIT license: http://opensource.org/licenses/MIT |
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* |
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* For the full copyright and license information, please view the |
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* LICENSE file that was distributed with this source or visit |
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* http://opensource.org/licenses/MIT |
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*/ |
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namespace Pinepain\JsSandbox\Wrappers; |
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use V8\ArrayObject; |
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use V8\Context; |
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use V8\IntegerValue; |
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use V8\Isolate; |
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use V8\ObjectValue; |
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class ArrayWrapper implements WrapperInterface, WrapperAwareInterface |
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{ |
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use WrapperAwareTrait; |
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/** |
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* @param Isolate $isolate |
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* @param Context $context |
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* @param array $value |
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* |
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* @return ArrayObject|ObjectValue |
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* @throws WrapperException |
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*/ |
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public function wrap(Isolate $isolate, Context $context, $value) |
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{ |
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// NOTE: js arrays, unlike php, will have gaps if indices are not monotonically increasing from 0. |
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// Also, non-integer keys does not affect array length as they become properties of array object, |
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// so if we have associative array, we will wrap it as object. |
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if ($this->isAssoc($value)) { |
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return $this->wrapAsObject($isolate, $context, $value); |
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} else { |
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return $this->wrapAsArray($isolate, $context, $value); |
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} |
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} |
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private function isAssoc(array $value) |
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{ |
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if (!$value) { |
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return false; |
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} |
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sort($value); |
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return array_keys($value) != range(0, count($value) - 1); |
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} |
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View Code Duplication |
private function wrapAsArray(Isolate $isolate, Context $context, array $value): ArrayObject |
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{ |
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$ret = new ArrayObject($context); |
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// TODO: write test to ensure items have the same order, sort() was breaking that order |
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$key = 0; |
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foreach ($value as $val) { |
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$js_val = $this->wrapper->wrap($isolate, $context, $val); |
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$js_key = new IntegerValue($isolate, $key++); |
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$ret->set($context, $js_key, $js_val); |
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} |
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return $ret; |
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} |
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View Code Duplication |
private function wrapAsObject(Isolate $isolate, Context $context, array $value): ObjectValue |
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{ |
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$ret = new ObjectValue($context); |
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foreach ($value as $key => $val) { |
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$js_val = $this->wrapper->wrap($isolate, $context, $val); |
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$js_key = $this->wrapper->wrap($isolate, $context, $key); |
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$ret->set($context, $js_key, $js_val); |
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} |
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return $ret; |
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} |
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} |
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pinepain /
js-sandbox
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.