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<?php |
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namespace Devhelp\Piwik\Api\Param\Segment; |
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use Devhelp\Piwik\Api\Param\Segment\Operator\Operator; |
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/** |
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* Represents piwik segment value. Can be used to build |
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* valid segment query by adding segment assertions |
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*/ |
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class Segment |
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{ |
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private $queryParts = array(); |
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/** |
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* builds the query and returns it as a string |
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* |
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* @return string |
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*/ |
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public function getQuery() |
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{ |
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$queryParts = array_map(function ($value) { |
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return ($value instanceof Operator) ? $value->expression() : $value; |
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}, $this->queryParts); |
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return implode('', $queryParts); |
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} |
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/** |
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* starts segment query with operator |
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* |
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* @param Operator $operator |
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* @return self |
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*/ |
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public function where(Operator $operator) |
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{ |
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$this->queryParts = array(); |
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$this->queryParts[] = $operator; |
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return $this; |
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} |
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/** |
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* adds new operator using with AND. Starts new segment query if was not started yet |
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* |
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* @param Operator $operator |
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* @return self |
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*/ |
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public function andWhere(Operator $operator) |
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{ |
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return $this->append($operator, ';'); |
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} |
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/** |
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* adds new operator using with OR. Starts new segment query if was not started yet |
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* |
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* @param Operator $operator |
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* @return self |
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*/ |
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public function orWhere(Operator $operator) |
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{ |
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return $this->append($operator, ','); |
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} |
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private function append(Operator $operator, $sign) |
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{ |
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if ($this->queryParts) { |
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$this->queryParts[] = $sign; |
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} |
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$this->queryParts[] = $operator; |
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return $this; |
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} |
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} |
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devhelp /
piwik-api
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.