PHP method to determine which class an object is derived from, PHP determines the derivation of an object_PHP tutorial

php method to determine which class an object is derived from, php to determine which class an object is derived from

The example in this article describes the method in php to determine which class an object is derived from. Share it with everyone for your reference. The specific implementation method is as follows:

<&#63;php 
$th = new Thread; //创建新对象 
if ($th instanceof Thread) //如果对象$th是Thread类型的，则输出Yes 
  echo "Yes"; 
else 
  echo "No"; 
&#63;>

I hope this article will be helpful to everyone’s PHP programming design.

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