PHP gets all the methods in a class based on reflection

The examples in this article describe how PHP gets all the methods in a class based on reflection. Share it for your reference, the details are as follows: When we use a class with neither source code nor documentation (especially classes provided by PHP extensions, such as mysqli, Redis classes), how do we know which methods are provided in this class? , And how to use each method. At this time, it’s time for the powerful reflection in PHP to appear. The following uses Redis extension as an example to demonstrate with code: <?php $ref = new ReflectionClass('Redis'); $consts = $ref->getConstants(); //Return all constant names and values ​​echo "----------------consts:--------------- ".