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<?php |
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declare(strict_types=1); |
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namespace AppUtils; |
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use DateTime; |
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class ConvertHelper_Date |
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{ |
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/** |
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* @var array<int,string[]> |
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*/ |
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protected static $months = array(); |
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/** |
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* @var string[] |
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*/ |
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protected static $days = array(); |
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/** |
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* @var string[] |
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*/ |
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protected static $daysShort = array(); |
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/** |
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* @var string[] |
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*/ |
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protected static $daysInvariant = array( |
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'Monday', |
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'Tuesday', |
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'Wednesday', |
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'Thursday', |
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'Friday', |
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'Saturday', |
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'Sunday' |
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); |
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/** |
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* Converts a date to the corresponding day name. |
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* |
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* @param DateTime $date |
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* @param bool $short |
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* @return string|NULL |
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*/ |
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public static function toDayName(DateTime $date, bool $short=false) : ?string |
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{ |
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$day = $date->format('l'); |
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$invariant = self::getDayNamesInvariant(); |
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$idx = array_search($day, $invariant); |
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if($idx !== false) { |
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$localized = self::getDayNames($short); |
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return $localized[$idx]; |
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} |
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return null; |
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} |
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/** |
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* Retrieves a list of english day names. |
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* @return string[] |
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*/ |
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public static function getDayNamesInvariant() : array |
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{ |
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return self::$daysInvariant; |
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} |
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/** |
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* Retrieves the day names list for the current locale. |
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* |
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* @param bool $short |
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* @return string[] |
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*/ |
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public static function getDayNames(bool $short=false) : array |
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{ |
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self::initDays(); |
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if($short) { |
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return self::$daysShort; |
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} |
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return self::$days; |
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} |
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/** |
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* Transforms a date into a generic human-readable date, optionally with time. |
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* If the year is the same as the current one, it is omitted. |
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* |
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* - 6 Jan 2012 |
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* - 12 Dec 2012 17:45 |
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* - 5 Aug |
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* |
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* @param DateTime $date |
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* @param bool $includeTime |
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* @param bool $shortMonth |
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* @return string |
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* |
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* @throws ConvertHelper_Exception |
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* @see ConvertHelper::ERROR_MONTHTOSTRING_NOT_VALID_MONTH_NUMBER |
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*/ |
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public static function toListLabel(DateTime $date, bool $includeTime = false, bool $shortMonth = false) : string |
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{ |
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$today = new DateTime(); |
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if($date->format('d.m.Y') === $today->format('d.m.Y')) |
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{ |
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$label = t('Today'); |
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} |
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else |
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{ |
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$label = $date->format('d') . '. ' . self::month2string((int)$date->format('m'), $shortMonth) . ' '; |
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if ($date->format('Y') != date('Y')) |
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{ |
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$label .= $date->format('Y'); |
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} |
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} |
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$toolTipDateFormat = 'd.m.Y'; |
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if ($includeTime) |
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{ |
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$label .= $date->format(' H:i'); |
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$toolTipDateFormat .= ' H:i'; |
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} |
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return |
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'<span title="'.$date->format($toolTipDateFormat).'">'. |
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trim($label). |
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'</span>'; |
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} |
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/** |
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* Returns a human-readable month name given the month number. Can optionally |
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* return the shorthand version of the month. Translated into the current |
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* application locale. |
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* |
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* @param int|string $monthNr |
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* @param boolean $short |
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* @return string |
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* |
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* @throws ConvertHelper_Exception |
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* @see ConvertHelper::ERROR_MONTHTOSTRING_NOT_VALID_MONTH_NUMBER |
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*/ |
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public static function month2string($monthNr, bool $short = false) : string |
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{ |
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self::initMonths(); |
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$monthNr = intval($monthNr); |
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if (!isset(self::$months[$monthNr])) |
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{ |
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throw new ConvertHelper_Exception( |
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'Invalid month number', |
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sprintf('%1$s is not a valid month number.', $monthNr), |
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ConvertHelper::ERROR_MONTHTOSTRING_NOT_VALID_MONTH_NUMBER |
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); |
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} |
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if ($short) { |
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return self::$months[$monthNr][1]; |
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} |
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return self::$months[$monthNr][0]; |
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} |
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/** |
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* Converts a DateTime object to a timestamp, which |
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* is PHP 5.2 compatible. |
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* |
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* @param DateTime $date |
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* @return integer |
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*/ |
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public static function toTimestamp(DateTime $date) : int |
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{ |
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return (int)$date->format('U'); |
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} |
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/** |
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* Converts a timestamp into a DateTime instance. |
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* |
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* @param int $timestamp |
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* @return DateTime |
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*/ |
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public static function fromTimestamp(int $timestamp) : DateTime |
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{ |
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$date = new DateTime(); |
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$date->setTimestamp($timestamp); |
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return $date; |
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} |
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private static function initMonths() : void |
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{ |
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if (!empty(self::$months)) |
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{ |
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return; |
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} |
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self::$months = array( |
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1 => array(t('January'), t('Jan')), |
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2 => array(t('February'), t('Feb')), |
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3 => array(t('March'), t('Mar')), |
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4 => array(t('April'), t('Apr')), |
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5 => array(t('May'), t('May')), |
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6 => array(t('June'), t('Jun')), |
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7 => array(t('July'), t('Jul')), |
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8 => array(t('August'), t('Aug')), |
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9 => array(t('September'), t('Sep')), |
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10 => array(t('October'), t('Oct')), |
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11 => array(t('November'), t('Nov')), |
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12 => array(t('December'), t('Dec')) |
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); |
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} |
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private static function initDays() : void |
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{ |
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if(!empty(self::$daysShort)) |
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{ |
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return; |
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} |
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self::$daysShort = array( |
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t('Mon'), |
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t('Tue'), |
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t('Wed'), |
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t('Thu'), |
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t('Fri'), |
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t('Sat'), |
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t('Sun') |
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); |
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self::$days = array( |
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t('Monday'), |
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t('Tuesday'), |
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t('Wednesday'), |
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t('Thursday'), |
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t('Friday'), |
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t('Saturday'), |
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t('Sunday') |
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); |
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} |
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} |
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Mistralys /
application-utils
