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<?php |
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/** |
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* @author Oleg Krivtsov <[email protected]> |
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* @date 12 October 2016 |
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* @copyright (c) 2016, Web Marketing ROI |
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*/ |
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namespace WebMarketingROI\OptimizelyPHP\Resource\v2; |
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use WebMarketingROI\OptimizelyPHP\Exception; |
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/** |
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* Optimizely datapoint. |
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*/ |
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class Datapoint |
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{ |
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/** |
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* The confidence interval measures the uncertainty around improvement. It |
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* starts out wide and shrinks as more data comes in. Significance means |
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* that the confidence interval is completely above or completely below 0. |
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* If the result is significant and positive, the confidence interval will |
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* be above 0. If the result is significant and negative, confidence interval |
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* will be below 0. If the result is inconclusive, confidence interval includes 0. |
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* @var array[number] |
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*/ |
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private $confidenceInterval; |
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/** |
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* Indicates that this is the best performing variant for this metric. |
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* Also referred to as the 'Winner' |
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* @var boolean |
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*/ |
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private $isMostConclusive; |
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/** |
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* Indicates if significance is above your confidence threshold |
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* @var boolean |
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*/ |
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private $isSignificant; |
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/** |
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* The likelihood that the observed difference in conversion rate is not due to chance. |
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* @var number |
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*/ |
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private $significance; |
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/** |
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* The relative improvement for this variant over the baseline variant. |
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* @var number |
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*/ |
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private $value; |
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/** |
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* The number of estimated visitors remaining before result becomes statistically significant |
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* @var integer |
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*/ |
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private $visitorsRemaining; |
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/** |
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* Constructor. |
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*/ |
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public function __construct($options = array()) |
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{ |
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foreach ($options as $name=>$value) { |
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switch ($name) { |
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case 'confidence_interval': $this->setConfidenceInterval($value); break; |
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case 'is_most_conclusive': $this->setIsMostConclusive($value); break; |
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case 'is_significant': $this->setIsSignificant($value); break; |
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case 'significance': $this->setSignificance($value); break; |
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case 'value': $this->setValue($value); break; |
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case 'visitors_remaining': $this->setVisitorsRemaining($value); break; |
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default: |
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throw new Exception('Unknown option: ' . $name); |
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} |
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} |
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} |
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/** |
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* Returns this object as array. |
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*/ |
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public function toArray() |
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{ |
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$options = array( |
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'confidence_interval' => $this->getConfidenceInterval(), |
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'is_most_conclusive' => $this->getIsMostConclusive(), |
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'is_significant' => $this->getIsSignificant(), |
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'significance' => $this->getSignificance(), |
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'value' => $this->getValue(), |
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'visitors_remaining' => $this->getVisitorsRemaining(), |
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); |
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// Remove options with empty values |
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$cleanedOptions = array(); |
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foreach ($options as $name=>$value) { |
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if ($value!==null) |
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$cleanedOptions[$name] = $value; |
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} |
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return $cleanedOptions; |
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} |
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public function getConfidenceInterval() |
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{ |
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return $this->confidenceInterval; |
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} |
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public function setConfidenceInterval($confidenceInterval) |
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{ |
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$this->confidenceInterval = $confidenceInterval; |
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} |
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public function getIsMostConclusive() |
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{ |
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return $this->isMostConclusive; |
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} |
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public function setIsMostConclusive($isMostConclusive) |
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{ |
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$this->isMostConclusive = $isMostConclusive; |
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} |
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public function getIsSignificant() |
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{ |
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return $this->isSignificant; |
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} |
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public function setIsSignificant($isSignificant) |
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{ |
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$this->isSignificant = $isSignificant; |
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} |
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public function getSignificance() |
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{ |
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return $this->significance; |
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} |
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public function setSignificance($significance) |
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{ |
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$this->significance = $significance; |
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} |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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public function setValue($value) |
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{ |
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$this->value = $value; |
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} |
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public function getVisitorsRemaining() |
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{ |
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return $this->visitorsRemaining; |
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} |
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public function setVisitorsRemaining($visitorsRemaining) |
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{ |
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$this->visitorsRemaining = $visitorsRemaining; |
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} |
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} |
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According to the PSR-2, the body of a case statement must start on the line immediately following the case statement.
}
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.