lib/Doctrine/MongoDB/Query/Expr.php
public function min($value)
    {
        $this->requiresCurrentField();
        $this->newObj['$min'][$this->currentField] = $value;
        return $this;
    }
public function min($value)
    {
        $this->requiresCurrentField();
        $this->newObj['$min'][$this->currentField] = $value;
        return $this;
    }
public function min ( $ value ) { $ this -> requiresCurrentField ( ) ; $ this -> newObj [ '$min' ] [ $ this -> currentField ] = $ value ; return $ this ; }
Updates the value of the field to a specified value if the specified value is less than the current value of the field.

@see Builder::min()
@see http://docs.mongodb.org/manual/reference/operator/update/min/
@param mixed $value
@return $this
Updates the value of the field to a specified value if the specified value is less than the current value of the field .