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 <1390341389.11834.90.camel@guybrush> <52DEF226.6050500@googlemail.com>
Date: Tue, 21 Jan 2014 14:21:38 -0800
Subject: Re: [PHP-DEV] [RFC] __debug_info()
From: willfitch@php.net (Will Fitch)


On Tue, Jan 21, 2014, at 02:18 PM, Crypto Compress wrote:
> Hi,
> 
> why not use __toString?
> 
> class File {
>      // "Resource(stream)" isn't all that useful
>      private $fp;
> 
>      // But all the stream meta data is
>      public function __toString() {
>          return $this->fp ? print_r(stream_get_meta_data($this->fp), 
> true) : ''; // var export, what ever you like
>      }
> 
>      public function open($filename, $mode = 'r'){
>          $this->fp = fopen($filename, $mode);
>      }
> }
> 
> $f = new File;
> echo $f; // object(File)#1 { }
> $f->open('http://php.net');
> echo $f;
> 
> cryptocompress

Because the __toString allows a class to decide how to react when
treated like a string.  Sure, that could be debug info, but it could be
printing a full-blow decorator implementation (e.g. Zend\Form\Form), a
number, class name, etc.  What Sara is proposing is specific to object
debugging.

> 
> 
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