doctrine / mongodb-odm

     * @param mixed|self $end              An integer, or a number that can be represented as integers (such as 2.0), that specifies the ending index position for the search. Can be any valid expression that resolves to a non-negative integral number.

     * @return $this

     */

    public function indexOfArray($arrayExpression, $searchExpression, $start = null, $end = null)

    {

        $args = [$arrayExpression, $searchExpression];

        if ($start !== null) {

            $args[] = $start;

            if ($end !== null) {

                $args[] = $end;

            }

        }

        return $this->operator('$indexOfArray', $args);

    }

    /**

     * Searches a string for an occurrence of a substring and returns the UTF-8

     *

     * @return $this

     */

    public function indexOfBytes($stringExpression, $substringExpression, $start = null, $end = null)

    {

        $args = [$stringExpression, $substringExpression];

        if ($start !== null) {

            $args[] = $start;

            if ($end !== null) {

                $args[] = $end;

            }

        }

        return $this->operator('$indexOfBytes', $args);

    }

    /**

     * Searches a string for an occurrence of a substring and returns the UTF-8

     *

     * @return $this

     */

    public function indexOfCP($stringExpression, $substringExpression, $start = null, $end = null)

    {

        $args = [$stringExpression, $substringExpression];

        if ($start !== null) {

            $args[] = $start;

            if ($end !== null) {

                $args[] = $end;

            }

        }

        return $this->operator('$indexOfCP', $args);

    }

    /**

     * Determines if the operand is an array. Returns a boolean.