The new PECL package datadog_trace-0.46.0 (stable) has been released at 
https://pecl.php.net/.

Release notes
-------------
## Important behavior changes in this release
If you use the OpenTracing API, the OpenTracing compatible tracer will no 
longer be returned from `OpenTracing\GlobalTracer::get` automatically. See #899 
or [the documentation](https://docs.datadoghq.com/tracing/opentracing/php/) for 
more details.

On PHP 7, `dd_trace` will no longer work on internal functions e.g. 
`curl_exec`; use `dd_trace_method` or `dd_trace_function` instead. 
Additionally, when targeting internal functions they also need to be added to 
the environment variable `DD_TRACE_TRACED_INTERNAL_FUNCTIONS` which is a comma 
separated list e.g. 
`DD_TRACE_TRACED_INTERNAL_FUNCTIONS=array_sum,mt_rand,DateTime::add`. These two 
changes enable a significant performance optimization.

### Changed
- Avoid usage of spl_autoload_register while still allowing noop manual 
instrumentation without ext installed #877
- Sandbox Slim integration #878
- Sandbox Lumen integration #884
- Sandbox CakePHP integration #898
- Remove legacy hook for OpenTracing #899
- Noop the legacy API when a potentially conflicting module detected #900, #905
- Move the request init hook to `auto_prepend_file` #907
- Optimize internal functions handlers at startup (PHP 7) #895

### Fixed
- Fix early return in dd-doctor #894 (thank @tatsuo48!)
- Fix opcache check in dd-doctor #896 - thanks @tatsuo48
- Update CONTRIBUTING.md #897 - thanks @askkaz

Package Info
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The Datadog PHP Tracer brings APM and distributed tracing to PHP.

Related Links
-------------
Package home: https://pecl.php.net/package/datadog_trace
   Changelog: https://pecl.php.net/package-changelog.php?package=datadog_trace
    Download: https://pecl.php.net/get/datadog_trace-0.46.0.tgz

Authors
-------------
Sammy Powers <sam...@php.net> (lead)

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