66 lines
1.9 KiB
PHP
66 lines
1.9 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Polyfill\Intl\Icu\DateFormat;
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/**
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* Parser and formatter for date formats.
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*
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* @author Igor Wiedler <igor@wiedler.ch>
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*
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* @internal
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*/
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abstract class Transformer
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{
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/**
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* Format a value using a configured DateTime as date/time source.
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*
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* @param \DateTime $dateTime A DateTime object to be used to generate the formatted value
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* @param int $length The formatted value string length
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*
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* @return string The formatted value
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*/
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abstract public function format(\DateTime $dateTime, int $length): string;
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/**
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* Returns a reverse matching regular expression of a string generated by format().
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*
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* @param int $length The length of the value to be reverse matched
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*
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* @return string The reverse matching regular expression
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*/
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abstract public function getReverseMatchingRegExp(int $length): string;
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/**
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* Extract date options from a matched value returned by the processing of the reverse matching
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* regular expression.
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*
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* @param string $matched The matched value
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* @param int $length The length of the Transformer pattern string
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*
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* @return array An associative array
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*/
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abstract public function extractDateOptions(string $matched, int $length): array;
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/**
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* Pad a string with zeros to the left.
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*
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* @param string $value The string to be padded
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* @param int $length The length to pad
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*
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* @return string The padded string
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*/
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protected function padLeft(string $value, int $length): string
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{
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return str_pad($value, $length, '0', \STR_PAD_LEFT);
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}
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}
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