@@ -45,14 +45,14 @@ discard block |
||
| 45 | 45 | * @param int $roundBy |
| 46 | 46 | * @return float |
| 47 | 47 | */ |
| 48 | - public function getAverage(array $ratingCounts, $roundBy = 1) |
|
| 48 | + public function getAverage( array $ratingCounts, $roundBy = 1 ) |
|
| 49 | 49 | { |
| 50 | - $average = array_sum($ratingCounts); |
|
| 51 | - if ($average > 0) { |
|
| 52 | - $average = $this->getTotalSum($ratingCounts) / $average; |
|
| 50 | + $average = array_sum( $ratingCounts ); |
|
| 51 | + if( $average > 0 ) { |
|
| 52 | + $average = $this->getTotalSum( $ratingCounts ) / $average; |
|
| 53 | 53 | } |
| 54 | - $roundedAverage = round($average, intval($roundBy)); |
|
| 55 | - return floatval(apply_filters('site-reviews/rating/average', $roundedAverage, $ratingCounts, $average)); |
|
| 54 | + $roundedAverage = round( $average, intval( $roundBy ) ); |
|
| 55 | + return floatval( apply_filters( 'site-reviews/rating/average', $roundedAverage, $ratingCounts, $average ) ); |
|
| 56 | 56 | } |
| 57 | 57 | |
| 58 | 58 | /** |
@@ -65,50 +65,50 @@ discard block |
||
| 65 | 65 | * @param int $confidencePercentage |
| 66 | 66 | * @return int|float |
| 67 | 67 | */ |
| 68 | - public function getLowerBound(array $upDownCounts = [0, 0], $confidencePercentage = 95) |
|
| 68 | + public function getLowerBound( array $upDownCounts = [0, 0], $confidencePercentage = 95 ) |
|
| 69 | 69 | { |
| 70 | - $numRatings = array_sum($upDownCounts); |
|
| 71 | - if ($numRatings < 1) { |
|
| 70 | + $numRatings = array_sum( $upDownCounts ); |
|
| 71 | + if( $numRatings < 1 ) { |
|
| 72 | 72 | return 0; |
| 73 | 73 | } |
| 74 | 74 | $z = static::CONFIDENCE_LEVEL_Z_SCORES[$confidencePercentage]; |
| 75 | 75 | $phat = 1 * $upDownCounts[1] / $numRatings; |
| 76 | - return ($phat + $z * $z / (2 * $numRatings) - $z * sqrt(($phat * (1 - $phat) + $z * $z / (4 * $numRatings)) / $numRatings)) / (1 + $z * $z / $numRatings); |
|
| 76 | + return ($phat + $z * $z / (2 * $numRatings) - $z * sqrt( ($phat * (1 - $phat) + $z * $z / (4 * $numRatings)) / $numRatings )) / (1 + $z * $z / $numRatings); |
|
| 77 | 77 | } |
| 78 | 78 | |
| 79 | 79 | /** |
| 80 | 80 | * @return int|float |
| 81 | 81 | */ |
| 82 | - public function getOverallPercentage(array $ratingCounts) |
|
| 82 | + public function getOverallPercentage( array $ratingCounts ) |
|
| 83 | 83 | { |
| 84 | - return round($this->getAverage($ratingCounts) * 100 / glsr()->constant('MAX_RATING', __CLASS__), 2); |
|
| 84 | + return round( $this->getAverage( $ratingCounts ) * 100 / glsr()->constant( 'MAX_RATING', __CLASS__ ), 2 ); |
|
| 85 | 85 | } |
| 86 | 86 | |
| 87 | 87 | /** |
| 88 | 88 | * @return array |
| 89 | 89 | */ |
| 90 | - public function getPercentages(array $ratingCounts) |
|
| 90 | + public function getPercentages( array $ratingCounts ) |
|
| 91 | 91 | { |
| 92 | - $total = array_sum($ratingCounts); |
|
| 93 | - foreach ($ratingCounts as $index => $count) { |
|
| 94 | - if (empty($count)) { |
|
| 92 | + $total = array_sum( $ratingCounts ); |
|
| 93 | + foreach( $ratingCounts as $index => $count ) { |
|
| 94 | + if( empty($count) ) { |
|
| 95 | 95 | continue; |
| 96 | 96 | } |
| 97 | 97 | $ratingCounts[$index] = $count / $total * 100; |
| 98 | 98 | } |
| 99 | - return $this->getRoundedPercentages($ratingCounts); |
|
| 99 | + return $this->getRoundedPercentages( $ratingCounts ); |
|
| 100 | 100 | } |
| 101 | 101 | |
| 102 | 102 | /** |
| 103 | 103 | * @return float |
| 104 | 104 | */ |
| 105 | - public function getRanking(array $ratingCounts) |
|
| 105 | + public function getRanking( array $ratingCounts ) |
|
| 106 | 106 | { |
| 107 | - return floatval(apply_filters('site-reviews/rating/ranking', |
|
| 108 | - $this->getRankingUsingImdb($ratingCounts), |
|
| 107 | + return floatval( apply_filters( 'site-reviews/rating/ranking', |
|
| 108 | + $this->getRankingUsingImdb( $ratingCounts ), |
|
| 109 | 109 | $ratingCounts, |
| 110 | 110 | $this |
| 111 | - )); |
|
| 111 | + ) ); |
|
| 112 | 112 | } |
| 113 | 113 | |
| 114 | 114 | /** |
@@ -121,15 +121,15 @@ discard block |
||
| 121 | 121 | * @param int $confidencePercentage |
| 122 | 122 | * @return int|float |
| 123 | 123 | */ |
| 124 | - public function getRankingUsingImdb(array $ratingCounts, $confidencePercentage = 70) |
|
| 124 | + public function getRankingUsingImdb( array $ratingCounts, $confidencePercentage = 70 ) |
|
| 125 | 125 | { |
| 126 | - $avgRating = $this->getAverage($ratingCounts); |
|
| 126 | + $avgRating = $this->getAverage( $ratingCounts ); |
|
| 127 | 127 | // Represents a prior (your prior opinion without data) for the average star rating. A higher prior also means a higher margin for error. |
| 128 | 128 | // This could also be the average score of all items instead of a fixed value. |
| 129 | - $bayesMean = ($confidencePercentage / 100) * glsr()->constant('MAX_RATING', __CLASS__); // prior, 70% = 3.5 |
|
| 129 | + $bayesMean = ($confidencePercentage / 100) * glsr()->constant( 'MAX_RATING', __CLASS__ ); // prior, 70% = 3.5 |
|
| 130 | 130 | // Represents the number of ratings expected to begin observing a pattern that would put confidence in the prior. |
| 131 | 131 | $bayesMinimal = 10; // confidence |
| 132 | - $numOfReviews = array_sum($ratingCounts); |
|
| 132 | + $numOfReviews = array_sum( $ratingCounts ); |
|
| 133 | 133 | return $avgRating > 0 |
| 134 | 134 | ? (($bayesMinimal * $bayesMean) + ($avgRating * $numOfReviews)) / ($bayesMinimal + $numOfReviews) |
| 135 | 135 | : 0; |
@@ -145,48 +145,48 @@ discard block |
||
| 145 | 145 | * @param int $confidencePercentage |
| 146 | 146 | * @return float |
| 147 | 147 | */ |
| 148 | - public function getRankingUsingZScores(array $ratingCounts, $confidencePercentage = 90) |
|
| 148 | + public function getRankingUsingZScores( array $ratingCounts, $confidencePercentage = 90 ) |
|
| 149 | 149 | { |
| 150 | - $ratingCountsSum = array_sum($ratingCounts) + glsr()->constant('MAX_RATING', __CLASS__); |
|
| 151 | - $weight = $this->getWeight($ratingCounts, $ratingCountsSum); |
|
| 152 | - $weightPow2 = $this->getWeight($ratingCounts, $ratingCountsSum, true); |
|
| 150 | + $ratingCountsSum = array_sum( $ratingCounts ) + glsr()->constant( 'MAX_RATING', __CLASS__ ); |
|
| 151 | + $weight = $this->getWeight( $ratingCounts, $ratingCountsSum ); |
|
| 152 | + $weightPow2 = $this->getWeight( $ratingCounts, $ratingCountsSum, true ); |
|
| 153 | 153 | $zScore = static::CONFIDENCE_LEVEL_Z_SCORES[$confidencePercentage]; |
| 154 | - return $weight - $zScore * sqrt(($weightPow2 - pow($weight, 2)) / ($ratingCountsSum + 1)); |
|
| 154 | + return $weight - $zScore * sqrt( ($weightPow2 - pow( $weight, 2 )) / ($ratingCountsSum + 1) ); |
|
| 155 | 155 | } |
| 156 | 156 | |
| 157 | 157 | /** |
| 158 | 158 | * @param int $target |
| 159 | 159 | * @return array |
| 160 | 160 | */ |
| 161 | - protected function getRoundedPercentages(array $percentages, $totalPercent = 100) |
|
| 161 | + protected function getRoundedPercentages( array $percentages, $totalPercent = 100 ) |
|
| 162 | 162 | { |
| 163 | - array_walk($percentages, function (&$percent, $index) { |
|
| 163 | + array_walk( $percentages, function( &$percent, $index ) { |
|
| 164 | 164 | $percent = [ |
| 165 | 165 | 'index' => $index, |
| 166 | - 'percent' => floor($percent), |
|
| 167 | - 'remainder' => fmod($percent, 1), |
|
| 166 | + 'percent' => floor( $percent ), |
|
| 167 | + 'remainder' => fmod( $percent, 1 ), |
|
| 168 | 168 | ]; |
| 169 | 169 | }); |
| 170 | - $indexes = glsr_array_column($percentages, 'index'); |
|
| 171 | - $remainders = glsr_array_column($percentages, 'remainder'); |
|
| 172 | - array_multisort($remainders, SORT_DESC, SORT_STRING, $indexes, SORT_DESC, $percentages); |
|
| 170 | + $indexes = glsr_array_column( $percentages, 'index' ); |
|
| 171 | + $remainders = glsr_array_column( $percentages, 'remainder' ); |
|
| 172 | + array_multisort( $remainders, SORT_DESC, SORT_STRING, $indexes, SORT_DESC, $percentages ); |
|
| 173 | 173 | $i = 0; |
| 174 | - if (array_sum(glsr_array_column($percentages, 'percent')) > 0) { |
|
| 175 | - while (array_sum(glsr_array_column($percentages, 'percent')) < $totalPercent) { |
|
| 174 | + if( array_sum( glsr_array_column( $percentages, 'percent' ) ) > 0 ) { |
|
| 175 | + while( array_sum( glsr_array_column( $percentages, 'percent' ) ) < $totalPercent ) { |
|
| 176 | 176 | ++$percentages[$i]['percent']; |
| 177 | 177 | ++$i; |
| 178 | 178 | } |
| 179 | 179 | } |
| 180 | - array_multisort($indexes, SORT_DESC, $percentages); |
|
| 181 | - return array_combine($indexes, glsr_array_column($percentages, 'percent')); |
|
| 180 | + array_multisort( $indexes, SORT_DESC, $percentages ); |
|
| 181 | + return array_combine( $indexes, glsr_array_column( $percentages, 'percent' ) ); |
|
| 182 | 182 | } |
| 183 | 183 | |
| 184 | 184 | /** |
| 185 | 185 | * @return int |
| 186 | 186 | */ |
| 187 | - protected function getTotalSum(array $ratingCounts) |
|
| 187 | + protected function getTotalSum( array $ratingCounts ) |
|
| 188 | 188 | { |
| 189 | - return array_reduce(array_keys($ratingCounts), function ($carry, $index) use ($ratingCounts) { |
|
| 189 | + return array_reduce( array_keys( $ratingCounts ), function( $carry, $index ) use ($ratingCounts) { |
|
| 190 | 190 | return $carry + ($index * $ratingCounts[$index]); |
| 191 | 191 | }); |
| 192 | 192 | } |
@@ -196,12 +196,12 @@ discard block |
||
| 196 | 196 | * @param bool $powerOf2 |
| 197 | 197 | * @return float |
| 198 | 198 | */ |
| 199 | - protected function getWeight(array $ratingCounts, $ratingCountsSum, $powerOf2 = false) |
|
| 199 | + protected function getWeight( array $ratingCounts, $ratingCountsSum, $powerOf2 = false ) |
|
| 200 | 200 | { |
| 201 | - return array_reduce(array_keys($ratingCounts), |
|
| 202 | - function ($count, $rating) use ($ratingCounts, $ratingCountsSum, $powerOf2) { |
|
| 201 | + return array_reduce( array_keys( $ratingCounts ), |
|
| 202 | + function( $count, $rating ) use ($ratingCounts, $ratingCountsSum, $powerOf2) { |
|
| 203 | 203 | $ratingLevel = $powerOf2 |
| 204 | - ? pow($rating, 2) |
|
| 204 | + ? pow( $rating, 2 ) |
|
| 205 | 205 | : $rating; |
| 206 | 206 | return $count + ($ratingLevel * ($ratingCounts[$rating] + 1)) / $ratingCountsSum; |
| 207 | 207 | } |