* migrate Clock classes to API
- move Clock* + Util into API
- add a deprecated wrapper for ClockFactory and Util
- remove unused StopWatch* classes
* review feedback
* replace ClockFactory with Clock
It's not really a factory, and really only provides access to a system clock. Create a
Clock class which is more clear in its purpose.
* remove time Util class
per review feedback, it's only used in Zipkin. Removed some unused consts from ClockInterface
* Apply suggestions from code review
Co-authored-by: Tobias Bachert <git@b-privat.de>
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Co-authored-by: Tobias Bachert <git@b-privat.de>
* enable timeout for http transports
Attempt to do our own discovery for some well-known PSR-18 clients, which allows
for configuring timeout (and in future certificates, keys etc).
This is not complete and a prototype for feedback, but I've updated an example to
show that it works for Guzzle and Symfony http clients
* improve client discovery
* refactor, test, add more implementations
* add timeout for logs and metrics
send errors/warnings/etc by default through PHP's error_log. This gives more control to administrators, since error_log can
be configured to write to any stream (file, stderr, etc). I think it's also less surprising for people trying out otel (particularly
with development PHP settings, where trigger_error often breaks an application).
Adding a configuration value to control where logs go: OTEL_PHP_LOG_DESTINATION.
Brett McBride