Class Stopwatch

Stopwatch provides a way to profile code.

Namespace: Symfony\Component\Stopwatch
Author: Fabien Potencier <fabien@symfony.com>
Located at stopwatch/Symfony/Component/Stopwatch/Stopwatch.php

Methods summary
`public`	# `__construct( )`
`public`	# `openSection( string\|null $id = null )` Creates a new section or re-opens an existing section. Creates a new section or re-opens an existing section. Parameters `$id` `string\|null` $id The id of the session to re-open, null to create a new one Throws `LogicException` When the section to re-open is not reachable
`public`	# `stopSection( string $id )` Stops the last started section. Stops the last started section. The id parameter is used to retrieve the events from this section. Parameters `$id` `string` $id The identifier of the section Throws `LogicException` When there's no started section to be stopped See `Symfony\Component\Stopwatch\Stopwatch::getSectionEvents()`
`public Symfony\Component\Stopwatch\StopwatchEvent`	# `start( string $name, string $category = null )` Starts an event. Starts an event. Parameters `$name` `string` $name The event name `$category` `string` $category The event category Returns `Symfony\Component\Stopwatch\StopwatchEvent` A StopwatchEvent instance
`public Symfony\Component\Stopwatch\StopwatchEvent`	# `stop( string $name )` Stops an event. Stops an event. Parameters `$name` `string` $name The event name Returns `Symfony\Component\Stopwatch\StopwatchEvent` A StopwatchEvent instance
`public Symfony\Component\Stopwatch\StopwatchEvent`	# `lap( string $name )` Stops then restarts an event. Stops then restarts an event. Parameters `$name` `string` $name The event name Returns `Symfony\Component\Stopwatch\StopwatchEvent` A StopwatchEvent instance
`public Symfony\Component\Stopwatch\StopwatchEvent[]`	# `getSectionEvents( string $id )` Gets all events for a given section. Gets all events for a given section. Parameters `$id` `string` $id A section identifier Returns `Symfony\Component\Stopwatch\StopwatchEvent[]` An array of StopwatchEvent instances