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<?php |
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declare(strict_types=1); |
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namespace Gnutix\StarWarsLibrary\Twig\Extension; |
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use Twig\Extension\AbstractExtension; |
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use Twig\TwigFilter; |
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final class StarWarsExtension extends AbstractExtension |
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{ |
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public function getFilters(): array |
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{ |
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return [new TwigFilter('starWarsDate', [$this, 'transformToStarWarsDate'])]; |
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} |
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public function getName(): string |
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{ |
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return 'gnutix_star_wars_extension'; |
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} |
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/** |
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* @param float|string|null $dateInput |
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*/ |
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public function transformToStarWarsDate($dateInput): string |
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{ |
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$date = trim((string) $dateInput); |
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$suffixes = $this->getStarWarsDateSuffixes(); |
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// Replace spaces between numbers by unbreakable spaces |
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$date = (string) preg_replace('#([0-9.]+) ([0-9.]+)#', '$1 $2', $date); |
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// For dates with a format "140" or "-3590" |
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if (preg_match('#^-?(?:[0-9.]+)$#', $date)) { |
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if (0 === strpos($date, '-')) { |
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return substr($date, 1).$suffixes['BBY']; |
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} |
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return $date.$suffixes['ABY']; |
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} |
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// For dates already having BBY/ABY |
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if (preg_match('# [AB]BY#', $date)) { |
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// Replace any minus before a number |
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$date = (string) preg_replace('#-([0-9.]+)#', '$1', $date); |
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// Replace the suffixes |
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return (string) preg_replace_callback( |
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'# ([AB]BY)#', |
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static function ($matches) use ($suffixes) { |
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return $suffixes[$matches[1]]; |
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}, |
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$date |
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); |
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} |
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return $date; |
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} |
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protected function getStarWarsDateSuffixes(): array |
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{ |
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return [ |
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'BBY' => ' <abbr title="Before the Battle of Yavin IV">BBY</abbr>', |
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'ABY' => ' <abbr title="After the Battle of Yavin IV">ABY</abbr>', |
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]; |
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} |
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} |
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gnutix /
swbooks
