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<?php |
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namespace Hyde\Framework\Helpers; |
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use Hyde\Framework\Hyde; |
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use Hyde\Framework\Services\RssFeedService; |
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/** |
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* Helpers to fluently declare HTML meta tags. |
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* |
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* @see \Hyde\Framework\Testing\Feature\MetadataHelperTest |
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*/ |
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class Meta |
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{ |
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public static function name(string $name, string $content): string |
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{ |
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return '<meta name="'.e($name).'" content="'.e($content).'">'; |
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} |
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public static function property(string $property, string $content): string |
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{ |
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$property = static::formatOpenGraphProperty($property); |
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return '<meta property="'.e($property).'" content="'.e($content).'">'; |
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} |
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public static function link(string $rel, string $href, array $attr = []): string |
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{ |
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if (! $attr) { |
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return '<link rel="'.e($rel).'" href="'.e($href).'">'; |
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} |
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$attributes = collect($attr)->map(function ($value, $key) { |
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return e($key).'="'.e($value).'"'; |
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})->implode(' '); |
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return '<link rel="'.e($rel).'" href="'.e($href).'" '.$attributes.'>'; |
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} |
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public static function render(array $withMergedData = []): string |
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{ |
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return implode( |
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"\n", |
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static::filterUnique( |
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array_merge( |
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static::getGlobalMeta(), |
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$withMergedData |
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) |
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) |
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); |
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} |
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protected static function filterUnique(array $meta): array |
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{ |
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$array = []; |
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$existing = []; |
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foreach (array_reverse($meta) as $metaItem) { |
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$substring = substr($metaItem, 6, strpos($metaItem, ' content="') - 6); |
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if (! in_array($substring, $existing)) { |
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$array[] = $metaItem; |
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$existing[] = $substring; |
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} |
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} |
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return array_reverse($array); |
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} |
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public static function getGlobalMeta(): array |
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{ |
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return array_merge( |
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static::getDynamicMeta(), |
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static::getConfiguredMeta() |
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); |
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} |
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protected static function getDynamicMeta(): array |
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{ |
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$array = []; |
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if (Features::sitemap()) { |
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$array[] = Meta::link('sitemap', Hyde::url('sitemap.xml'), [ |
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'type' => 'application/xml', 'title' => 'Sitemap', |
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]); |
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} |
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if (Features::rss()) { |
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$array[] = Meta::link('alternate', Hyde::url(RssFeedService::getDefaultOutputFilename()), [ |
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'type' => 'application/rss+xml', 'title' => RssFeedService::getDescription(), |
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]); |
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} |
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return $array; |
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} |
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protected static function getConfiguredMeta(): array |
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{ |
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return config('hyde.meta', []); |
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} |
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protected static function formatOpenGraphProperty(string $property): string |
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{ |
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return str_starts_with($property, 'og:') ? $property : 'og:'.$property; |
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} |
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} |
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hydephp /
develop
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.