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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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use DateTimeZone; |
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use Exception; |
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class Microtime extends DateTime implements Interface_Stringable |
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{ |
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const ERROR_FAILED_CREATING_DATE_OBJECT = 88601; |
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const ERROR_FAILED_CONVERTING_STRING = 88602; |
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const FORMAT_ISO = 'Y-m-d H:i:s.u'; |
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/** |
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* @param string $datetime |
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* @param DateTimeZone|null $timeZone |
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* @throws ConvertHelper_Exception |
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* |
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* @see Microtime::ERROR_FAILED_CREATING_DATE_OBJECT |
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* @see Microtime::ERROR_FAILED_CONVERTING_STRING |
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*/ |
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public function __construct($datetime='now', DateTimeZone $timeZone=null) |
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{ |
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if($timeZone === null) |
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{ |
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$timeZone = new DateTimeZone(date_default_timezone_get()); |
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} |
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if(empty($datetime) || $datetime === 'now') |
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{ |
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$dateObj = DateTime::createFromFormat('0.u00 U', microtime(), new DateTimeZone('America/Denver')); |
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if($dateObj === false) { |
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throw new ConvertHelper_Exception( |
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'Failed to create microseconds date.', |
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'', |
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self::ERROR_FAILED_CREATING_DATE_OBJECT |
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); |
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} |
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$dateObj->setTimezone($timeZone); |
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$datetime = $dateObj->format(self::FORMAT_ISO); |
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} |
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try |
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{ |
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parent::__construct($datetime, $timeZone); |
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} |
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catch (Exception $e) |
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{ |
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throw new ConvertHelper_Exception( |
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'Failed to create date from string.', |
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sprintf( |
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'Source date string: [%s].', |
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strval($datetime) |
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), |
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self::ERROR_FAILED_CONVERTING_STRING |
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); |
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} |
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} |
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public static function createFromDate(DateTime $date) : Microtime |
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{ |
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return new Microtime($date->format(self::FORMAT_ISO), $date->getTimezone()); |
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} |
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/** |
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* Gets the microseconds part of the date. |
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* @return int Six-digit microseconds value. |
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*/ |
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public function getMicroseconds() : int |
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{ |
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return intval($this->format('u')); |
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} |
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/** |
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* ISO formatted date with microseconds, in the |
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* format `Y-m-d H:i:s.u`. |
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* |
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* @return string |
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*/ |
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public function getISODate() : string |
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{ |
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return $this->format(self::FORMAT_ISO); |
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} |
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/** |
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* Date formatted for storing in a MySQL database column. |
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* |
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* NOTE: To store microseconds in MySQL, a DateTime column |
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* needs to be used, with a length of 6 (3 for the milliseconds, |
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* +3 for the microseconds). Without the length specified, |
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* the milliseconds information will be stripped out. |
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* |
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* @return string |
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*/ |
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public function getMySQLDate() : string |
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{ |
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return $this->getISODate(); |
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} |
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public function __toString() |
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{ |
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return $this->getISODate(); |
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} |
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} |
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Mistralys /
application-utils
