Doctrine\MongoDB\Aggregation\Stage\Operator::substr PHP Method

Operator Class Documentation Show file Open project: doctrine/mongodb

substr() public method

The arguments can be any valid expression as long as long as the first argument resolves to a string, and the second and third arguments resolve to integers.

See also: http://docs.mongodb.org/manual/reference/operator/aggregation/substr/

See also: Expr::substr

public substr ( mixed \| Expr $string, mixed \| Expr $start, mixed \| Expr $length )
$string	mixed \| Doctrine\MongoDB\Aggregation\Expr
$start	mixed \| Doctrine\MongoDB\Aggregation\Expr
$length	mixed \| Doctrine\MongoDB\Aggregation\Expr

    public function substr($string, $start, $length)
    {
        $this->expr->substr($string, $start, $length);
        return $this;
    }

Operator

__construct

abs

add

addAnd

addOr

allElementsTrue

anyElementTrue

arrayElemAt

ceil

cmp

concat

concatArrays

cond

dateToString

dayOfMonth

dayOfWeek

dayOfYear

divide

exp

expression

field

filter

floor

gte

hour

ifNull

isArray

let

literal

log

log10

lte

map

public substr ( mixed \| Expr $string, mixed \| Expr $start, mixed \| Expr $length )
$string	mixed \| Doctrine\MongoDB\Aggregation\Expr
$start	mixed \| Doctrine\MongoDB\Aggregation\Expr
$length	mixed \| Doctrine\MongoDB\Aggregation\Expr