PHP sensor releases
Instana monitors PHP applications by using the Instana PHP sensor and tracer. The sensor provides insights into the health and performance of PHP applications. For more information, see Monitoring PHP.
For more information about tracer releases, see PHP Tracer releases.
For more information about the latest updates on PHP sensor, PHP-FPM sensor and PHP profile sensor, see the following sections:
PHP sensor
The following releases offer updates for PHP sensor:
1.9.9
PHP sensor 1.9.9 is released on 12 June 2025.
Improvements
The PHP Tracing extension now defaults to 4.9.1.
1.9.7
PHP sensor 1.9.7 is released on 19 May 2025.
Features
The sensor now supports PHP discovery on Windows host.
Improvements
The PHP extension now defaults to 4.9.0.
1.8.1
PHP sensor 1.8.1 is released on 5 May 2025.
Improvements
- The PHP Tracer extension now defaults to 4.8.0 for PHP 8.1 and later.
- The sensor now locks the default PHP extension version to 4.7.3 for PHP 7.0 and 8.0.
1.7.7
PHP Sensor 1.7.7 is released on 9 April 2025.
Features
The PHP sensor now enables PHP Tracer 4.7.3 by default.
1.7.6
PHP Sensor 1.7.6 is released on 31 March 2025.
Features
The PHP sensor now enables PHP Tracer 4.7.1 by default.
1.7.5
PHP sensor 1.7.5 is released on 27 February 2025.
Features
The PHP sensor now enables PHP Tracer 4.7.0 by default.
1.5.10
PHP sensor 1.5.10 is released on 2 October 2024.
Features
You can now install publicly available experimental versions of PHP Tracer.
1.5.7
PHP sensor 1.5.7 is released on 21 August 2024.
Features
PHP Tracer 4.1.0 is now deployed by default.
1.5.6
PHP sensor 1.5.6 is released on 09 July 2024.
Features
PHP Tracer 4.0.0 is now deployed by default.
1.5.1
PHP sensor 1.5.1 is released on 02 May 2024.
Features
PHP sensor 1.5.1 now generates warnings for versions of PHP that are officially past end-of-life.
Fixes
PHP trace sensor 1.1.1 is now instantiated only after a successful installation of PHP Tracer.
1.3.2
PHP sensor 1.3.2 is released on 26 February 2024.
To get the following features or performance updates, you need to have Agent 1.1.712 or later.
Features
PHP sensor now supports environment variables in the com.instana.plugin.php section of the Instana agent configuration file. For more information, see Configurations from process environment.
PHP-CGI sensor
The following releases offer updates for PHP-CGI sensor.
1.1.3
PHP-CGI sensor 1.1.3 is released on 12 June 2025.
Improvements
This release provides the followings enhancements:
- Maps the PHP services running in IIS to the IIS Runtime entity.
- Fixes the auto discovery of PHP-CGI SAPI processes in Linux.
1.1.1
PHP-CGI sensor 1.1.1 is released on 19 May 2025.
Features
PHP-CGI SAPI is now supported on Windows host.
PHP-FPM sensor
The following releases offer updates for PHP-FPM sensor:
1.1.71
PHP-FPM sensor 1.1.71 is released on 09 July 2024.
Fixes
Previously, PHP sensor was instantiated on AIX and Windows only after a successful installation of PHP Tracer. This issue is now fixed.
1.1.70
PHP-FPM sensor 1.1.70 is released on 03 April 2024.
Fixes
To fix security vulnerabilities CVE-2024-29131 and CVE-2024-29133, the org.apache.commons_commons-configuration2 library is updated to 2.10.1.
PHP profile sensor
The following releases offer updates for PHP profile sensor.
3.0.0
PHP profile sensor 3.0.0 is released on 09 July 2024.
Features
PHP profiling is now generally available when PHP profile sensor 3.0.0 is combined with PHP Tracer 4.0.0.
Versions of PHP Tracer earlier than 4.0.0 are not compatible.