Classes List

Symfony\Component\Intl\DateFormatter\DateFormat\Transformer

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<?php

/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */


namespace Symfony\Component\Intl\DateFormatter\DateFormat;

/** * Parser and formatter for date formats. * * @author Igor Wiedler <igor@wiedler.ch> * * @internal */
abstract class Transformer
{
    /** * Format a value using a configured DateTime as date/time source. * * * @param \DateTime $dateTime A DateTime object to be used to generate the formatted value * @param int $length The formatted value string length * * @return string The formatted value */
    abstract public function format(\DateTime $dateTime$length);

    /** * Returns a reverse matching regular expression of a string generated by format(). * * @param int $length The length of the value to be reverse matched * * @return string The reverse matching regular expression */
    abstract public function getReverseMatchingRegExp($length);

    /** * Extract date options from a matched value returned by the processing of the reverse matching * regular expression. * * @param string $matched The matched value * @param int $length The length of the Transformer pattern string * * @return array An associative array */
    abstract public function extractDateOptions($matched$length);

    /** * Pad a string with zeros to the left. * * @param string $value The string to be padded * @param int $length The length to pad * * @return string The padded string */
    protected function padLeft($value$length)
    {
        return str_pad($value$length'0'STR_PAD_LEFT);
    }
}