**SkyWalking php SDK**: A client tool developed for PHP using SkyWalking APM tools. (It is a pity that it only supports writing log and checking curl currently.)SkyWalking APM : https://github.com/OpenSkywalking/skywalking* Automatic probe for PHP. **You don't need to modify the application code.** * It is a PHP extension developed by zendAPI. * It can hook automatically for monnitoring nodes and collecting logs. * It transfers with header informations automatically.* Manual probe. * It is a php extension and contains some php classes. * It can compatible any versions of php.You can look over the codes in the class 'SkyWalking'. * You need to add business codes to monnitor.# Using and installing* php extensions(https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/songzhian/sky-php7ext)* php classes (https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/songzhian/sdk-php)# Apply to* version 1.0 applies to Skywalking 3.1 .# In the future. * more php versions. * more os.