Sokil\Mongo\Pipeline\GroupStage::min PHP Method

min() public method

Returns the lowest value that results from applying an expression to each document in a group of documents that share the same group by key.
public min ( string $field, literal | callable | Sokil\Mongo\Pipeline\Expression $expression ) : GroupStage
$field string
$expression literal | callable | Sokil\Mongo\Pipeline\Expression Expression
return GroupStage
    public function min($field, $expression)
    {
        $this->stage[$field]['$min'] = Expression::normalize($expression);
        return $this;
    }