Extension::getFilters()   A
last analyzed

Complexity

Conditions 2
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 2
Bugs 0 Features 0
Metric Value
cc 2
eloc 2
c 2
b 0
f 0
nc 1
nop 0
dl 0
loc 4
rs 10
1
<?php
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namespace mmikkel\cacheflag\twigextensions;
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use Twig\Extension\AbstractExtension;
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use Twig\TwigFilter;
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use Craft;
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/**
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 * @author    Mats Mikkel Rummelhoff
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 * @package   CacheFlag
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 * @since     1.0.0
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 */
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class Extension extends AbstractExtension
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{
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    // Public Methods
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    // =========================================================================
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    /**
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     * @inheritdoc
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     */
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    public function getName(): string
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    {
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        return 'CacheFlag';
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    }
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    /**
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     * @inheritdoc
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     */
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    public function getFilters(): array
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    {
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        return \array_filter([
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            Craft::$app->getRequest()->getIsCpRequest() ? new TwigFilter('cacheFlagUnCamelCase', [$this, 'cacheFlagUnCamelCaseFilter']) : null,
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        ]);
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    }
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    /**
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     * @return array
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     */
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    public function getTokenParsers(): array
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    {
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        return [
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            new CacheFlagTokenParser(),
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        ];
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    }
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    /**
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     * @param string|null $value
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     *
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     * @return string
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     */
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    public function cacheFlagUnCamelCaseFilter(?string $value = null): string
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    {
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        if (empty($value)) {
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            return '';
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        }
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        if (preg_match('/[A-Z]/', $value) === 0) {
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            return $value;
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        }
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        $pattern = '/([a-z])([A-Z])/';
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        $r = strtolower(preg_replace_callback($pattern, function ($a) {
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            return $a[1] . ' ' . strtolower($a[2]);
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        }, $value));
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        return $r;
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    }
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}
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