How to make a calling file class in PHP

This time I will show you how to make a calling file class in PHP. What are the precautions for making a calling file class in PHP? The following is a practical case, let's take a look.

First declare a class in a tool.php file:

<?php
  class tool {
  function say(){
  $result="Hello,World";
  return $result;
  }
}

Call the method in the above class in another file

main.php:

<?php
  require_once &#39;tool.php&#39;;
  $tool=new tool();
  $content=$tool->say();
  echo $content;
?>

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website !

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