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| <?php | |
| /** | |
| * μ秒を上手に扱う | |
| */ | |
| namespace Puyo\Time; | |
| /** | |
| * MicrosecondTime | |
| */ | |
| class MicroSecondTime | |
| { | |
| /** | |
| * Microsecond part. | |
| * | |
| * 0.12345678 | |
| * @var float | |
| */ | |
| private $_usec = 0.0; | |
| /** | |
| * Second part. | |
| * | |
| * 1234567890 | |
| * @var float | |
| */ | |
| private $_sec = 0.0; | |
| /** | |
| * Constructor | |
| * | |
| * overloadをしているため，複数の引数を取ります。 | |
| * <pre> | |
| * 1. __construct(float $usec, float $sec) | |
| * 2. __construct(string strMicrotime) | |
| * 3. __construct(void) | |
| * </pre> | |
| * | |
| * @param mixed $arg1 | |
| * @param float $arg2 | |
| * @throws \InvalidArgumentException | |
| */ | |
| public function __construct($arg1 = null, $arg2 = null) { | |
| // Pseudo overload | |
| if (isset($arg1) && is_float($arg1) && isset($arg2) && is_float($arg2)) { | |
| // 1. __construct(float $usec, float $sec) | |
| $this->_usec = $arg1; | |
| $this->_sec = $arg2; | |
| } elseif (isset($arg1) && is_string($arg1) && is_null($arg2)) { | |
| // 2. __construct(string strMicrotime) | |
| $this->setMicrotimeString($arg1); | |
| } elseif ($arg1 === null && $arg2 === null) { | |
| // 3. __construct(void) | |
| $this->setMicrotimeString(microtime()); | |
| } else { | |
| throw new \InvalidArgumentException(); | |
| } | |
| } | |
| /** | |
| * 文字列(microtime() の結果)から設定する。 | |
| * @param string $strMicrotime | |
| */ | |
| protected function setMicrotimeString($strMicrotime) { | |
| list($usec, $sec) = explode(" ", $strMicrotime); | |
| $this->_usec = (float)$usec; | |
| $this->_sec = (float)$sec; | |
| } | |
| /** | |
| * microtime() の書式で出力する | |
| * @return string 文字列表現 | |
| */ | |
| public function __toString() { | |
| return $this->_usec . ' ' . $this->_sec; | |
| } | |
| /** | |
| * 加算して返す | |
| * @param self $microTime | |
| * @return self | |
| */ | |
| public function add(self $microTime) { | |
| $newUsec = $this->_usec + $microTime->getUsec(); | |
| $newSec = $this->_sec + $microTime->getSec(); | |
| return new self($newUsec, $newSec); | |
| } | |
| /** | |
| * 減算して返す | |
| * @param self $microTime | |
| * @return self | |
| */ | |
| public function subtract(self $microTime) { | |
| $newUsec = $this->_usec - $microTime->getUsec(); | |
| $newSec = $this->_sec - $microTime->getSec(); | |
| return new self($newUsec, $newSec); | |
| } | |
| /** | |
| * 秒単位にして返す | |
| * @return float | |
| */ | |
| public function toSecond() { | |
| return $this->_usec + $this->_sec; | |
| } | |
| /** | |
| * ミリ秒単位にして返す | |
| * @return float | |
| */ | |
| public function toMillis() { | |
| return floor($this->_usec * 1000) + $this->_sec * 1000; | |
| } | |
| /** | |
| * マイクロ秒部分を返す | |
| * @return float | |
| */ | |
| public function getUsec() { | |
| return $this->_usec; | |
| } | |
| /** | |
| * 秒部分を返す | |
| * @return float | |
| */ | |
| public function getSec() { | |
| return $this->_sec; | |
| } | |
| } |