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The PHP Datadog Trace library is open source - view the GitHub repository for more information.
Datadog APM for PHP is built upon dependencies defined in specific versions of the host operating system, PHP runtime, certain PHP libraries, and the Datadog Agent or API. When these versions are no longer supported by their maintainers, Datadog APM for PHP limits its support for these as well.
Level | Support provided |
---|---|
Unsupported | No implementation. Contact our customer support team for special requests. |
Beta | Initial implementation. May not yet contain all features. Support for new features, bug, and security fixes provided on a best-effort basis. |
General Availability (GA) | Full implementation of all features. Full support for new features, bug, and security fixes. |
Maintenance | Full implementation of existing features. Does not receive new features. Support for bug and security fixes only. |
Legacy | Legacy implementation. May have limited function, but no maintenance provided. Contact the support team for special requests. |
End-of-life (EOL) | No support. |
PHP APM supports the following PHP versions:
PHP Version | Support level | Package version |
---|---|---|
8.1.x | General Availability | > 0.66.0+ |
8.0.x | General Availability | > 0.52.0+ |
7.4.x | General Availability | All |
7.3.x | General Availability | All |
7.2.x | General Availability | All |
7.1.x | General Availability | All |
7.0.x | General Availability | All |
5.6.x | Maintenance (until December 31, 2023) | All |
5.5.x | Maintenance (until December 31, 2023) | All |
5.4.x | Maintenance (until December 31, 2023) | All |
PHP APM supports the following SAPI’s:
SAPI | Support type |
---|---|
apache2handler | Fully Supported |
cli | Fully Supported |
fpm-fcgi | Fully Supported |
cgi-fcgi | Fully Supported |
By default, Datadog supports all PHP web frameworks out of the box, with either framework-level instrumentation, or generic web tracing.
Framework-level instrumentation includes tracing of internal methods and framework specific tagging.
Generic web tracing includes a web.request
span to track latency and errors that originated from the call, in addition to spans for supported libraries — for example: database and HTTP clients.
The following table enumerates some of the frameworks and versions Datadog successfully traces.
Web frameworks:
Module | Versions | Support Type | Instrumentation level |
---|---|---|---|
CakePHP | 2.x | All supported PHP versions | Framework-level instrumentation |
CodeIgniter | 2.x | PHP 7+ | Framework-level instrumentation |
CodeIgniter | 3.x | PHP 7+ | Generic web tracing |
Laravel | 4.2, 5.x, 6.x | All supported PHP versions | Framework-level instrumentation |
Laravel 8 | 8.x (tracer 0.52.0+ ) | All supported PHP versions | Framework-level instrumentation |
Lumen | 5.2+ | All supported PHP versions | Framework-level instrumentation |
Symfony 3 | 3.3, 3.4 | All supported PHP versions | Framework-level instrumentation |
Symfony 4 | 4.x | All supported PHP versions | Framework-level instrumentation |
Symfony 5 | 5.x (tracer 0.50.0+ ) | All supported PHP versions | Framework-level instrumentation |
WordPress | 4.x, 5.x | PHP 7+ | Framework-level instrumentation |
Zend Framework | 1.12 | All supported PHP versions | Framework-level instrumentation |
Zend Framework | 2.x | All supported PHP versions | Generic web tracing |
Yii | 1.1, 2.0 | All supported PHP versions | Framework-level instrumentation |
Drupal | All supported PHP versions | Generic web tracing | |
Magento | 1, 2 | All supported PHP versions | Generic web tracing |
Phalcon | 1.3, 3.4 | All supported PHP versions | Generic web tracing |
Slim | 2.x, 3.x, 4.x | All supported PHP versions | Framework-level instrumentation |
Neos Flow | 1.1 | All supported PHP versions | Generic web tracing |
FuelPHP | 1.1 | PHP 7+ | Generic web tracing |
Note that even if you don’t see your web framework in this list, it is supported out of the box with the latest release of the tracer.
Datadog is continuously adding more support for in-depth tracing for PHP web-frameworks. To request support for additional span metadata and framework internals, contact our awesome support team.
Tracing from the CLI SAPI is disabled by default. To enable tracing of PHP CLI scripts, set DD_TRACE_CLI_ENABLED=true
.
Module | Versions | Support Type |
---|---|---|
CakePHP Console | 2.x | Fully Supported |
Laravel Artisan | 5.x | Fully Supported |
To request support for additional CLI libraries, contact our awesome support team.
Module | Versions | Support Type |
---|---|---|
Amazon RDS (using PDO or MySQLi) | (Any Supported PHP) | Fully Supported |
Elasticsearch | 1.x | Fully Supported |
Eloquent | Laravel supported versions | Fully Supported |
Memcached | (Any Supported PHP) | Fully Supported |
MongoDB - via mongo extension | 1.4.x | Fully Supported |
MySQLi | (Any Supported PHP) | Fully Supported |
PDO (MySQL, PostgreSQL, MariaDB) | (Any Supported PHP) | Fully Supported |
PhpRedis | 3, 4, 5 | PHP 7, 8 |
Predis | 1.1 | Fully Supported |
To request support for additional datastores, contact our awesome support team.
Module | Versions | Support Type |
---|---|---|
Curl | (Any Supported PHP) | Fully Supported |
Guzzle | 5.x | Fully Supported |
Guzzle | 6.x | Fully Supported |
To request support for additional libraries, contact our awesome support team.
The call stack is limited on PHP 5. See the deep call stack troubleshooting page for more details.
Instrumenting generators is not supported on PHP 5 and PHP 7.
Datadog does not offer support for tracing processes forked using pcntl. When a call to pcntl_fork
is detected, tracing is disabled in the forked process. The main process can still be traced.
If the application invokes pcntl_unshare(CLONE_NEWUSER);
and the tracer is installed, the application fatally crashes. This happens because unshare
with CLONE_NEWUSER
requires the process not to be threaded, while the PHP tracer uses a separate thread to send traces to the Datadog Agent without blocking the main process.
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