Reference

$session->increment()

Increments one or multiple session values by a specified amount

$session->increment(string|array $key, int $by = 1, int $max = null): void

Parameters

Name Type Default Description
$key string|array

The key to increment or an array with multiple keys

$by int 1

Increment by which amount?

$max int null

Maximum amount (value is not incremented further)

Return type

void

Source code

kirby/src/Session/SessionData.php#L68