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<?php |
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namespace AlecRabbit\Tools; |
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use AlecRabbit\Pretty; |
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use AlecRabbit\Tools\Contracts\TimerInterface; |
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use AlecRabbit\Tools\Reports\Contracts\ReportableInterface; |
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use AlecRabbit\Tools\Reports\Traits\Reportable; |
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use AlecRabbit\Tools\Traits\TimerFields; |
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class Timer implements TimerInterface, ReportableInterface |
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{ |
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use TimerFields, Reportable; |
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/** |
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* Timer constructor. |
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* @param null|string $name |
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* @param bool $start |
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*/ |
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public function __construct(?string $name = null, bool $start = true) |
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{ |
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$this->name = $this->defaultName($name); |
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$this->creation = $this->current(); |
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if ($start) { |
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$this->start($this->creation); |
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} |
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} |
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/** |
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* @return float |
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*/ |
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public function current(): float |
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{ |
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return |
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microtime(true); |
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} |
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/** |
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* Starts the timer. |
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* |
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* @param null|float $point |
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* @return void |
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*/ |
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public function start(?float $point = null): void |
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{ |
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$this->previous = $point ?? $this->current(); |
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$this->started = true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function prepareForReport(): void |
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{ |
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if ($this->isNotStarted()) { |
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$this->start(); |
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$this->mark(); |
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} |
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$this->stop(); |
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} |
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/** |
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* @param int|null $iterationNumber |
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*/ |
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private function mark(?int $iterationNumber = null): void |
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{ |
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$current = $this->current(); |
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$this->currentValue = $current - $this->previous; |
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$this->previous = $current; |
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$this->compute($iterationNumber); |
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} |
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/** |
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* @param null|int $iterationNumber |
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*/ |
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private function compute(?int $iterationNumber): void |
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{ |
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if (0 !== $this->count) { |
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++$this->count; |
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$this->checkMinValue($iterationNumber); |
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$this->checkMaxValue($iterationNumber); |
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$this->computeAverage(); |
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} else { |
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$this->initValues(); |
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} |
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} |
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/** |
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* @param null|int $iterationNumber |
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*/ |
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private function checkMinValue(?int $iterationNumber): void |
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{ |
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if ($this->currentValue < $this->minValue) { |
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$this->minValue = $this->currentValue; |
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$this->minValueIteration = $iterationNumber ?? $this->count; |
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} |
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} |
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/** |
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* @param null|int $iterationNumber |
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*/ |
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private function checkMaxValue(?int $iterationNumber): void |
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{ |
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if ($this->currentValue > $this->maxValue) { |
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$this->maxValue = $this->currentValue; |
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$this->maxValueIteration = $iterationNumber ?? $this->count; |
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} |
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} |
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private function computeAverage(): void |
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{ |
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$this->avgValue = (($this->avgValue * ($this->count - 1)) + $this->currentValue) / $this->count; |
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} |
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private function initValues(): void |
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{ |
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$this->maxValueIteration = $this->minValueIteration = $this->count = 1; |
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$this->maxValue = $this->currentValue; |
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$this->minValue = $this->currentValue; |
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$this->avgValue = $this->currentValue; |
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} |
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public function stop(): void |
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{ |
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$this->computeElapsed(); |
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$this->stopped = true; |
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} |
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private function computeElapsed(): void |
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{ |
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$this->elapsed = $this->current() - $this->creation; |
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} |
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/** |
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* Marks the time. |
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* If timer was not started starts the timer. |
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* @param int|null $iterationNumber |
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* @return Timer |
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*/ |
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public function check(?int $iterationNumber = null): Timer |
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{ |
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if ($this->isNotStarted()) { |
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$this->start(); |
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} else { |
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$this->mark($iterationNumber); |
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} |
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return $this; |
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} |
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/** |
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* @param float $start |
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* @param float $stop |
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* @param null|int $iterationNumber |
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* @return Timer |
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*/ |
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public function bounds(float $start, float $stop, ?int $iterationNumber = null): Timer |
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{ |
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if ($this->isNotStarted()) { |
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$this->start(); |
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} |
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$this->currentValue = $stop - $start; |
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$this->previous = $stop; |
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$this->compute($iterationNumber); |
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return $this; |
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} |
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/** |
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* @param bool $pretty |
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* @return mixed |
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*/ |
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public function elapsed(bool $pretty = true) |
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{ |
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if ($this->isNotStopped()) { |
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$this->stop(); |
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} |
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return |
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$pretty ? Pretty::seconds($this->getElapsed()) : $this->elapsed; |
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} |
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/** |
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* @return float |
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*/ |
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public function getElapsed(): float |
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{ |
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if ($this->isNotStopped()) { |
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$this->computeElapsed(); |
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} |
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return $this->elapsed; |
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} |
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} |
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alecrabbit /
php-simple-profiler
