datadog_trace 0.28.0

APM and distributed tracing for PHP


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

License: BSD 3-Clause

Changes

### Added
- Officially support Symfony 3.0 and 4.0 #475

### Fixed
- Stack level too deep error due to changes in how PHP interprets Opcodes caused by the extension #477

### Changed
- Backtrace handler will be run only once and will display information about maximum stack size being reached #478