This is the configuration list supported in php.ini.
| Configuration Item | Description | Default Value |
|---|---|---|
| skywalking_agent.enable | Enable skywalking_agent extension or not. | Off |
| skywalking_agent.log_file | Log file path. | /tmp/skywalking-agent.log |
| skywalking_agent.log_level | Log level: one of OFF, TRACE, DEBUG, INFO, WARN, ERROR. | INFO |
| skywalking_agent.runtime_dir | Skywalking agent runtime directory. | /tmp/skywalking-agent |
| skywalking_agent.server_addr | Address of skywalking oap server. | 127.0.0.1:11800 |
| skywalking_agent.service_name | Application service name. | hello-skywalking |
| skywalking_agent.skywalking_version | Skywalking version, 8 or 9. | 8 |
| skywalking_agent.authentication | Skywalking authentication token, let it empty if the backend isn't enabled. | |
| skywalking_agent.worker_threads | Skywalking worker threads, 0 will auto set as the cpu core size. | 0 |
| skywalking_agent.enable_tls | Wether to enable tls for gPRC, default is false. | Off |
| skywalking_agent.ssl_trusted_ca_path | The gRPC SSL trusted ca file. | |
| skywalking_agent.ssl_key_path | The private key file. Enable mTLS when ssl_key_path and ssl_cert_chain_path exist. | |
| skywalking_agent.ssl_cert_chain_path | The certificate file. Enable mTLS when ssl_key_path and ssl_cert_chain_path exist. | |
| skywalking_agent.heartbeat_period | Agent heartbeat report period. Unit, second. | 30 |
| skywalking_agent.properties_report_period_factor | The agent sends the instance properties to the backend every heartbeat_period * properties_report_period_factor seconds. | 10 |
| skywalking_agent.enable_zend_observer | Whether to use zend observer instead of zend_execute_ex to hook the functions, this feature is only available for PHP8+. | Off |