getValueFromComparison($comparison); $field = $comparison->getField(); $operator = $comparison->getOperator(); if (($operator === Comparison::EQ || $operator === Comparison::IS) && $value === null) { return; } elseif ($operator === Comparison::NEQ && $value === null) { return; } $this->values[] = $value; $this->types[] = [$field, $value, $operator]; } /** * Converts a composite expression into the target query language output. * * @return void */ public function walkCompositeExpression(CompositeExpression $expr) { foreach ($expr->getExpressionList() as $child) { $this->dispatch($child); } } /** * Converts a value expression into the target query language part. * * @return void */ public function walkValue(Value $value) { return; } /** * Returns the Parameters and Types necessary for matching the last visited expression. * * @return mixed[][] * @psalm-return array{0: array, 1: array>} */ public function getParamsAndTypes() { return [$this->values, $this->types]; } /** * Returns the value from a Comparison. In case of a CONTAINS comparison, * the value is wrapped in %-signs, because it will be used in a LIKE clause. * * @return mixed */ protected function getValueFromComparison(Comparison $comparison) { $value = $comparison->getValue()->getValue(); switch ($comparison->getOperator()) { case Comparison::CONTAINS: return '%' . $value . '%'; case Comparison::STARTS_WITH: return $value . '%'; case Comparison::ENDS_WITH: return '%' . $value; default: return $value; } } }