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<?php |
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/* |
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* This file is part of the CRUDlex package. |
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* |
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* (c) Philip Lehmann-Böhm <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace CRUDlex; |
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use Pimple\Container; |
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use Symfony\Component\Intl\Intl; |
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/** |
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* Provides and setups the Twig extensions like filters. |
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*/ |
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class TwigExtensions { |
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/** |
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* Formats the given time value to a timestring defined by the $pattern |
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* parameter. |
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* |
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* If the value is false (like null), an empty string is |
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* returned. Else, the value is tried to be parsed as datetime via the |
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* given pattern. If that fails, it is tried to be parsed with the pattern |
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* 'Y-m-d H:i:s'. If that fails, the value is returned unchanged. Else, it |
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* is returned formatted with the given pattern. The effect is to shorten |
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* 'Y-m-d H:i:s' to 'Y-m-d' for example. |
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* |
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* @param string $value |
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* the value to be formatted |
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* @param string $timezone |
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* the timezone of the value |
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* @param string $pattern |
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* the pattern with which the value is parsed and formatted |
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* |
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* @return string |
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* the formatted value |
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*/ |
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protected function formatTime($value, $timezone, $pattern) { |
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if (!$value) { |
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return ''; |
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} |
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$result = \DateTime::createFromFormat($pattern, $value, new \DateTimeZone($timezone)); |
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if ($result === false) { |
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$result = \DateTime::createFromFormat('Y-m-d H:i:s', $value, new \DateTimeZone($timezone)); |
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} |
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if ($result === false) { |
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return $value; |
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} |
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$result->setTimezone(new \DateTimeZone(date_default_timezone_get())); |
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return $result->format($pattern); |
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} |
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/** |
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* Registers all extensions. |
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* |
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* @param Container $app |
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* the current application |
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*/ |
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public function registerTwigExtensions(Container $app) { |
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$self = $this; |
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$app->extend('twig', function(\Twig_Environment $twig) use ($self) { |
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$twig->addFilter(new \Twig_SimpleFilter('arrayColumn', 'array_column')); |
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$twig->addFilter(new \Twig_SimpleFilter('languageName', [$self, 'getLanguageName'])); |
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$twig->addFilter(new \Twig_SimpleFilter('float', [$self, 'formatFloat'])); |
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$twig->addFilter(new \Twig_SimpleFilter('basename', 'basename')); |
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$twig->addFilter(new \Twig_SimpleFilter('formatDate', [$self, 'formatDate'])); |
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$twig->addFilter(new \Twig_SimpleFilter('formatDateTime', [$self, 'formatDateTime'])); |
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return $twig; |
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}); |
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} |
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/** |
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* Gets a language name in the given language. |
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* |
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* @param string $language |
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* the language code of the desired language name |
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* |
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* @return string |
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* the language name in the given language or null if not available |
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*/ |
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public function getLanguageName($language) { |
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return Intl::getLanguageBundle()->getLanguageName($language, $language, $language); |
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} |
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/** |
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* Formats a float to not display in scientific notation. |
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* |
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* @param float $float |
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* the float to format |
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* |
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* @return double|string |
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* the formated float |
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*/ |
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public function formatFloat($float) { |
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if (!$float) { |
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return $float; |
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} |
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$zeroFraction = $float - floor($float) == 0 ? '0' : ''; |
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// We don't want values like 0.004 converted to 0.00400000000000000008 |
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if ($float > 0.0001) { |
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return $float.($zeroFraction === '0' ? '.'.$zeroFraction : ''); |
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} |
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// We don't want values like 0.00004 converted to its scientific notation 4.0E-5 |
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return rtrim(sprintf('%.20F', $float), '0').$zeroFraction; |
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} |
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/** |
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* Formats the given value to a date of the format 'Y-m-d'. |
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* |
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* @param string $value |
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* the value, might be of the format 'Y-m-d H:i' or 'Y-m-d' |
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* @param boolean $isUTC |
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* whether the given value is in UTC |
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* |
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* @return string |
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* the formatted result or an empty string on null value |
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*/ |
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public function formatDate($value, $isUTC) { |
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$timezone = $isUTC ? 'UTC' : date_default_timezone_get(); |
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return $this->formatTime($value, $timezone, 'Y-m-d'); |
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} |
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/** |
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* Formats the given value to a date of the format 'Y-m-d H:i'. |
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* |
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* @param string $value |
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* the value, might be of the format 'Y-m-d H:i' |
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* @param boolean $isUTC |
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* whether the given value is in UTC |
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* |
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* @return string |
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* the formatted result or an empty string on null value |
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*/ |
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public function formatDateTime($value, $isUTC) { |
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$timezone = $isUTC ? 'UTC' : date_default_timezone_get(); |
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return $this->formatTime($value, $timezone, 'Y-m-d H:i'); |
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} |
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} |
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philiplb /
CRUDlex
