PHP 代码。 $this->published = true 如何调用文章方法

Question

<?php

class Content
{
    public function publish()
    {
        $this->published = true;
        $this->article();
    }
    protected function article()
    {
        echo "<i>Article:</i>";
    }
}
class Article extends Content
{
    public function article()
    {
        echo "<i>Post:</i>";
    }
}

$post = new Article();
$post->publish();


/*
Code Output :  <i>Post:</i><i>Post:</i>
*/

  
?>

This code called the article method twice. when i called the publish method. I don't understand this code. How $this->publised = true called the article method. which does not look like even a property?

Answer 1

Because you define the name of article() method as same as the the class Article name.
If both Classname and method name are same, then the method name will be treated as constructor

You can put a blank __construct() method to avoid it. Just like this:

<?php
class Article extends Content
{
    function __construct(){
        //code
    }
    
    public function article()
    {
        echo "<i>Post:</i>";
    }
}

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