ModulesStack::top()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 6

Importance

Changes 0
Metric Value
dl 0
loc 4
ccs 0
cts 2
cp 0
rs 10
c 0
b 0
f 0
cc 2
eloc 2
nc 2
nop 0
crap 6
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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\Modules;
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class ModulesStack implements ModulesStackInterface
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{
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    private $stack = [];
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    /**
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     * {@inheritdoc}
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     */
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    public function push(ModuleInterface $module)
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    {
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        $this->stack[] = $module;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function pop(): ModuleInterface
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    {
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        return array_pop($this->stack);
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function top(): ?ModuleInterface
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    {
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        return reset($this->stack) ?: null;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function bottom(): ?ModuleInterface
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    {
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        return end($this->stack) ?: null;
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    }
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}
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