APM Insight PHP Agent - Release Notes

PHP Version 4.8.1

Release Date: 25-09-2025

Enhancements

• Added support to include only specified ports for monitoring.
• Support for capturing external call request and response headers.
• Support for capturing external call response codes.
• Support for capturing OS information (name, architecture, and version).
• Support for capturing transaction response headers.
• Support for capturing cURL options.
• Support for ECS detection.

Issues Fixed

• The issue with detecting Azure Web Apps has been fixed.

PHP Version 4.7.1

Release Date: 21-04-2025

Enhancements

• Support has been extended for PHP versions up to 8.4.
• Included alt-php paths for installation.
• Enabled traceparent header propagation.

PHP Version 4.6

Release Date: 13-01-2025

Issues Fixed

• PHP Agent is getting detected as virus has been fixed.
• PHP Agent Installation got failed if PHP path is getting detected as a symbolic link path.
• Application is getting crashed due to strdup PHP package has been fixed.
• MYSQL Calls are not getting tracked if optional parameters are provided in the mysqli::real_connect function has been fixed.
• Docker environment is not getting detected, if the application is installed in Azure web app has been fixed.

Enhancements

• Automatic detection of Kubernetes environment for auto scaling.

PHP Version 4.5

Release Date: 21-06-2024

Issues Fixed

• Missing shared object file for musl build has been fixed.

Enhancements

• Removed curl dependency from installer script.
• Authenticated communication between agent and exporter

PHP Version 4.4

Release Date: 29-03-2024

Issues Fixed

• The issue of configuration not being reset during a fresh install has been fixed.
• The installation issue during the repair has been fixed.

Enhancements

• Support for PHP version 8.3

PHP Version 4.3

Release Date: 07-03-2024

Issues Fixed

• The issue with concurrent requests in a multi-threaded web server has been fixed.
• The issue regarding Host identification in a multi-threaded web server has been resolved.
• The issue with too many open file descriptors has been resolved.
• The libexecinfo dependency has been removed for Musl.
• Deprecation warning for MYSQLI has been fixed.

Enhancements

• Support for complete container ID detection for Docker Engine v 20.01 and above.
• Support for advanced Windows MSI configurations.
• Support for checking supported versions during Linux installation.
• Windows installation scope and privileges have been updated.
• The publisher's name has been updated to Zoho Corporation Pvt. Ltd.
• Windows now supports application names with spaces.
• Support for tracking errors based on severity.
• Support for automatic detection of Plesk and XAMPP during installation.
• Support for pointing to a remote exporter using an IP address.
• Support to configure span tracking limit.

PHP Version 4.1

Release Date: 06-11-2023

Issues Fixed

• The issue with the agent installation in the c-panel has been fixed.
• The memory leak issue has been fixed.
• The PHP agent REMI installation issue has been resolved.
• The issue related to size limitations for tracked arguments has been successfully fixed.

Enhancements

• Support for APPMANAGER DataExporter (Linux and Windows).
• Support for PHP v8.2.
• Support for capturing Host IP Address.
• Support for capturing Background arguments in trace.
• Configure INI entries after installation (Linux).
• Support for preserving INI configuration during update (Linux).
• Support for getting INI configurations from the environment and CLI during installation (Linux).
• Support for auto-detection of application port.
• Support for remote exporter host.
• Support for additional configurations:
  • Support for skipping transactions.
  • Support for grouping similar transactions.

PHP Version 3.5.1

Release Date: 30-06-2023

Issues Fixed

• The error "TCP socket accept failed" has been resolved (Windows).
• The issue with app-parameter values not being updated in the respective app has been resolved.
• The issue with the incorrect curl_exec URL when multiple curl resources are present has been resolved.
• Distributed tracing issue has been fixed.
• The issue with the agent service not being killed has been resolved (Windows).
• The crash during curl request issue has been resolved.
• The issue with curl and openSSL version checking during upgrade has been resolved.

Enhancements

• Support for PHP 8.1.
• Capture memory allocation is supported.
• Capturing command-line arguments is supported.
• Capturing multiple exceptions and errors is supported.
• Individual configurations for instances in multi-monitor setups are supported.
• Support for tracking the original URL if the URL is rewritten.
• Support for configuring the Log directory.
• Support for ARM architecture.
• Support for Redis and Memcache.
• Support for enabling and disabling error tracking.
• Support for enabling and disabling exception tracking.
• Support for enabling and disabling method tracking.
• Support for SQL trace threshold.
• You can specify a SQL threshold, and if it is exceeded, a trace will be generated and displayed.
• Support for tracking the response code and port number of external calls.
• Support for tracking failed components.
• Support for capturing CPU time.
• Support for capturing background transactions.
• Support for configuring the depth of APM traces.
• Support for capturing HTTP parameters.
• Support for capturing Network bytes.
• Support for customizing instrumentation via ini entry.
• Symbolic link for zpa.ini during installation is provided in the agent's installation directory (Linux).
• Support for configuring ports via ini and conf entry.
• Curl requests without transfer protocol are now treated as HTTP.
• The download status is now sent to all monitors in multi-monitor.

PHP Version 3.2.2

Release Date: 31-05-2022

Issues Fixed

• Issues in Windows agent support in PHP v8.0.
• Empty function names and negative duration issues.
• Component name mismatch issue.

Enhancements

• Support for multi-monitor configuration.
• Support for adding custom parameters in a transaction via API.
• Support for App Parameters to monitor the size of frequency of an operation or variable.
• Support for distributed tracing.
• Support for viewing the complete URL of every transaction.
• Support for tracking request headers.
• Support to exclude the HTTP error codes from monitoring to reduce noise in the monitoring environment.
• Support for displaying the complete URL in the traces.

PHP Version 3.1.1

Release Date: 13-10-2021

Issues Fixed

• SSL errors in agent communication.
• Error in grouping similar transaction.

Enhancements

• Support for Oracle database.
• Support for MSSQL database.
• Support for Cassandra database.
• Support for monitoring applications developed in PHP version 8.0 for Linux.
• Support for thread safe PHP versions - ZTS/XAMPP (Version 7.0 and above).
• CLI Requests can be tracked with their script names.
• Domain names can be tracked in transactions.
• Application name & Hostname can be passed as an argument.
• Checksum verification to validate the integrity of the downloaded agent.

PHP Version 2.9.3

Release Date: 16-07-2020

Issues Fixed

• 'Segmentation fault core dumped' issue caused agent to crash while using PHP 7.2.
• Memory leak issues.

Enhancements

• Support for PHP version 7.4.
• Support for PostgreSQL database instrumentation.
• Support for instrumenting 'Mysql_real_connect' type of database connection calls.