# SessionUpdateTimestampHandlerInterface::updateTimestamp

(PHP 7)

SessionUpdateTimestampHandlerInterface::updateTimestamp — Update timestamp

### Description

abstract public SessionUpdateTimestampHandlerInterface::updateTimestamp ( string `$key` , string `$val` ) : bool

Updates the last modification timestamp of the session. This function is automatically executed when a session is updated.

### Parameters

`key`

  The session ID.

`val`

  The session data.

### Return Values

Returns `TRUE` if the timestamp was updated, `FALSE` otherwise. Note that this value is returned internally to PHP for processing.