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<?php |
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namespace RM; |
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use DateTime; |
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use DateTimeImmutable; |
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/** |
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* @author Roman Mátyus <[email protected]> |
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*/ |
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class DateInterval extends \DateInterval |
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{ |
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/** @var DateTimeImmutable */ |
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private $refDT; |
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public function __construct($interval = 'PT0S') |
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{ |
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if ($interval === NULL) |
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$interval = 'PT0S'; |
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$this->refDT = new DateTimeImmutable('midnight'); |
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$invert = FALSE; |
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if ($interval instanceof \DateInterval) { |
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if ($interval->invert) |
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$invert = TRUE; |
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$interval = self::parse($interval); |
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} elseif (is_string($interval)) { |
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if (strpos($interval, '-') === 0) { |
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$invert = TRUE; |
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$interval = substr($interval, 1); |
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} |
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} elseif (is_int($interval)) { |
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if ($interval < 0) |
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$invert = TRUE; |
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$interval = sprintf("PT%uS", abs($interval)); |
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} elseif (is_float($interval)) { |
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if ($interval < 0) |
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$invert = TRUE; |
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$interval = sprintf("PT%uS", abs(round($interval))); |
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} |
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try { |
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parent::__construct($interval); |
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} catch (\Exception $e) { |
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$this->validateRelativeFormat($interval, $e); |
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$d1 = $this->getRefDT(); |
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$d2 = $this->getRefDT()->modify($interval); |
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$int = $d1->diff($d2); |
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if ($int === FALSE) { |
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$parse = date_parse($int); |
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if ($parse['error_count']) { |
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throw new DateInterval\InvalidArgumentException; |
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} |
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} else { |
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parent::__construct(self::parse($int)); |
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} |
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} |
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if ($invert) { |
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$this->invert = 1; |
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} |
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} |
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public function add($interval) : self |
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{ |
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$d1 = $this->getRefDT(); |
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$d1->add($this); |
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$d1->add(new self($interval)); |
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$int = ($this->getRefDT())->diff($d1); |
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$this->__construct(self::parse(/** @scrutinizer ignore-type */$int)); |
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if ($d1 < $this->getRefDT()) |
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$this->invert = 1; |
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return $this; |
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} |
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public function sub($interval) : self |
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{ |
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$d1 = $this->getRefDT(); |
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$d1->add($this); |
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$d1->sub(new self($interval)); |
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$int = ($this->getRefDT())->diff($d1); |
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$this->__construct(self::parse(/** @scrutinizer ignore-type */$int)); |
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if ($d1 < $this->getRefDT()) |
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$this->invert = 1; |
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return $this; |
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} |
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public function toSeconds() : int |
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{ |
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return (($this->y * 365 * 24 * 60 * 60) + |
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($this->m * 30 * 24 * 60 * 60) + |
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($this->d * 24 * 60 * 60) + |
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($this->h * 60 * 60) + |
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($this->i * 60) + |
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$this->s) * (($this->invert) ? -1 : 1); |
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} |
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public static function parse(\DateInterval $dateInterval) : string |
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{ |
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$date = array( |
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'Y' => $dateInterval->y, |
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'M' => $dateInterval->m, |
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'D' => $dateInterval->d |
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); |
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$time = array( |
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'H' => $dateInterval->h, |
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'M' => $dateInterval->i, |
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'S' => $dateInterval->s |
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); |
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if (isset($time['H']) && $time['H'] < 0) { |
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$time['H'] = 24 + $time['H']; |
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if ($date['D'] >= 1) |
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$date['D']--; |
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elseif ($date['M'] >= 1) |
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$date['M']--; |
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elseif ($date['Y'] >= 1) |
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$date['Y']--; |
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} |
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if ($time['H'] === 24) { |
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$date['D']++; |
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$time['H'] = 0; |
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} |
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$specString = 'P'; |
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foreach (array_filter($date) as $key => $value) { |
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$specString .= $value . $key; |
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} |
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if (count(array_filter($time)) > 0) { |
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$specString .= 'T'; |
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foreach (array_filter($time) as $key => $value) { |
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$specString .= $value . $key; |
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} |
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} |
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if (strlen($specString) === 1) { |
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$specString .= 'T0S'; |
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} |
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return $specString; |
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} |
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public function __toString() |
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{ |
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return self::parse($this); |
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} |
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public function getRefDT() |
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{ |
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return new DateTime($this->refDT->format(DateTime::ISO8601)); |
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} |
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private function validateRelativeFormat($interval, \Exception $e = NULL) |
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{ |
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$parse = date_parse($interval); |
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if ($parse['error_count']) |
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throw new DateInterval\InvalidArgumentException(($e) ? $e->getMessage() : NULL, ($e) ? $e->getCode() : NULL, ($e) ? $e : NULL); |
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if (!isset($parse['relative'])) |
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throw new DateInterval\InvalidArgumentException(sprintf("First argument '%s' is not in supported relative date format.", $interval), ($e) ? $e->getCode() : NULL, ($e) ? $e : NULL); |
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} |
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} |
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romanmatyus /
DateInterval
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