laravel-6 support
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RafficMohammed
@@ -1,263 +0,0 @@
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<?php
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/**
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* @see https://github.com/zendframework/zend-http for the canonical source repository
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* @copyright Copyright (c) 2005-2017 Zend Technologies USA Inc. (http://www.zend.com)
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* @license https://github.com/zendframework/zend-http/blob/master/LICENSE.md New BSD License
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*/
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namespace Zend\Http\Header;
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use DateTime;
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use DateTimeZone;
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/**
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* Abstract Date/Time Header
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* Supports headers that have date/time as value
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*
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* @see Zend\Http\Header\Date
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* @see Zend\Http\Header\Expires
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* @see Zend\Http\Header\IfModifiedSince
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* @see Zend\Http\Header\IfUnmodifiedSince
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* @see Zend\Http\Header\LastModified
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*
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* Note for 'Location' header:
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* While RFC 1945 requires an absolute URI, most of the browsers also support relative URI
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* This class allows relative URIs, and let user retrieve URI instance if strict validation needed
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*/
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abstract class AbstractDate implements HeaderInterface
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{
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/**
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* Date formats according to RFC 2616
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* @link http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3
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*/
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const DATE_RFC1123 = 0;
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const DATE_RFC1036 = 1;
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const DATE_ANSIC = 2;
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/**
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* Date instance for this header
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*
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* @var DateTime
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*/
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protected $date;
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/**
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* Date output format
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*
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* @var string
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*/
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protected static $dateFormat = 'D, d M Y H:i:s \G\M\T';
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/**
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* Date formats defined by RFC 2616. RFC 1123 date is required
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* RFC 1036 and ANSI C formats are provided for compatibility with old servers/clients
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* @link http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3
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*
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* @var array
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*/
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protected static $dateFormats = [
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self::DATE_RFC1123 => 'D, d M Y H:i:s \G\M\T',
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self::DATE_RFC1036 => 'D, d M y H:i:s \G\M\T',
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self::DATE_ANSIC => 'D M j H:i:s Y',
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];
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/**
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* Create date-based header from string
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*
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* @param string $headerLine
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* @return static
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* @throws Exception\InvalidArgumentException
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*/
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public static function fromString($headerLine)
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{
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$dateHeader = new static();
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list($name, $date) = GenericHeader::splitHeaderLine($headerLine);
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// check to ensure proper header type for this factory
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if (strtolower($name) !== strtolower($dateHeader->getFieldName())) {
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throw new Exception\InvalidArgumentException(
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'Invalid header line for "' . $dateHeader->getFieldName() . '" header string'
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);
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}
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$dateHeader->setDate($date);
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return $dateHeader;
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}
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/**
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* Create date-based header from strtotime()-compatible string
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*
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* @param int|string $time
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* @return static
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* @throws Exception\InvalidArgumentException
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*/
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public static function fromTimeString($time)
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{
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return static::fromTimestamp(strtotime($time));
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}
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/**
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* Create date-based header from Unix timestamp
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*
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* @param int $time
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* @return static
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* @throws Exception\InvalidArgumentException
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*/
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public static function fromTimestamp($time)
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{
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$dateHeader = new static();
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if (! $time || ! is_numeric($time)) {
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throw new Exception\InvalidArgumentException(
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'Invalid time for "' . $dateHeader->getFieldName() . '" header string'
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);
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}
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$dateHeader->setDate(new DateTime('@' . $time));
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return $dateHeader;
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}
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/**
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* Set date output format
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*
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* @param int $format
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* @throws Exception\InvalidArgumentException
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*/
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public static function setDateFormat($format)
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{
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if (! isset(static::$dateFormats[$format])) {
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throw new Exception\InvalidArgumentException(sprintf(
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'No constant defined for provided date format: %s',
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$format
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));
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}
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static::$dateFormat = static::$dateFormats[$format];
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}
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/**
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* Return current date output format
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*
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* @return string
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*/
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public static function getDateFormat()
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{
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return static::$dateFormat;
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}
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/**
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* Set the date for this header, this can be a string or an instance of \DateTime
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*
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* @param string|DateTime $date
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* @return $this
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* @throws Exception\InvalidArgumentException
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*/
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public function setDate($date)
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{
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if (is_string($date)) {
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try {
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$date = new DateTime($date, new DateTimeZone('GMT'));
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} catch (\Exception $e) {
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throw new Exception\InvalidArgumentException(
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sprintf('Invalid date passed as string (%s)', (string) $date),
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$e->getCode(),
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$e
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);
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}
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} elseif (! ($date instanceof DateTime)) {
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throw new Exception\InvalidArgumentException('Date must be an instance of \DateTime or a string');
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}
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$date->setTimezone(new DateTimeZone('GMT'));
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$this->date = $date;
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return $this;
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}
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/**
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* Return date for this header
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*
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* @return string
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*/
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public function getDate()
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{
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return $this->date()->format(static::$dateFormat);
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}
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/**
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* Return date for this header as an instance of \DateTime
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*
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* @return DateTime
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*/
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public function date()
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{
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if ($this->date === null) {
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$this->date = new DateTime(null, new DateTimeZone('GMT'));
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}
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return $this->date;
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}
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/**
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* Compare provided date to date for this header
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* Returns < 0 if date in header is less than $date; > 0 if it's greater, and 0 if they are equal.
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* @see \strcmp()
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*
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* @param string|DateTime $date
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* @return int
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* @throws Exception\InvalidArgumentException
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*/
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public function compareTo($date)
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{
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if (is_string($date)) {
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try {
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$date = new DateTime($date, new DateTimeZone('GMT'));
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} catch (\Exception $e) {
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throw new Exception\InvalidArgumentException(
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sprintf('Invalid Date passed as string (%s)', (string) $date),
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$e->getCode(),
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$e
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);
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}
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} elseif (! ($date instanceof DateTime)) {
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throw new Exception\InvalidArgumentException('Date must be an instance of \DateTime or a string');
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}
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$dateTimestamp = $date->getTimestamp();
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$thisTimestamp = $this->date()->getTimestamp();
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return ($thisTimestamp === $dateTimestamp) ? 0 : (($thisTimestamp > $dateTimestamp) ? 1 : -1);
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}
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/**
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* Get header value as formatted date
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*
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* @return string
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*/
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public function getFieldValue()
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{
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return $this->getDate();
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}
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/**
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* Return header line
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*
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* @return string
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*/
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public function toString()
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{
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return $this->getFieldName() . ': ' . $this->getDate();
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}
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/**
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* Allow casting to string
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->toString();
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}
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}
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