php.net |  support |  documentation |  report a bug |  advanced search |  search howto |  statistics |  random bug |  login

go to bug id or search bugs for

Bug #80941 function __construct() don't pass $var to context GLOBAL
Submitted: 2021-04-08 15:00 UTC Modified: 2021-04-08 15:12 UTC
From: rg at mejoramos dot com Assigned:
Status: Not a bug Package: Output Control
PHP Version: 8.0.3 OS: any
Private report: No CVE-ID: None
View Developer Edit
 [2021-04-08 15:00 UTC] rg at mejoramos dot com 
Description:
------------
no't possible pass $VAR to GLOBAL context without used ARRAY $GLOBALS, please see the code.

Test script:
---------------
<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);

function OtherFunction(){
	GLOBAL $ManyFunctionsNeedThisVar;
	print_r($GLOBALS['a']);
	print_r($ManyFunctionsNeedThisVar);
	}

class OtherClass{
	function __construct(){
		$GLOBALS['a'] = 888;
		$ManyFunctionsNeedThisVar = 777;
		OtherFunction();
		}
	}

$OtherObject = new OtherClass();



Expected result:
----------------
String concatenated, correct output:

888777

Actual result:
--------------
888

Patches

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2021-04-08 15:12 UTC] dharman@php.net
-Status: Open +Status: Not a bug
 [2021-04-08 15:12 UTC] dharman@php.net 
This looks correct to me. `$ManyFunctionsNeedThisVar` is empty in global scope. I think your confusion comes from the fact that you have another variable with the same name in a local scope within the constructor. Local scope and global scope are not the same.
 [2021-04-08 15:48 UTC] rg at mejoramos dot com 
Thanks master @dharman

when we declare 

$ManyFunctionsNeedThisVar = 777;

this is GLOBAL.

When we declare

	function __construct(){ // --> this is GLOBAL ?
		$GLOBALS['a'] = 888; // --> this is GLOBAL ?
		$ManyFunctionsNeedThisVar = 777; // --> this is GLOBAL ?
		OtherFunction();
		}
 [2021-04-08 16:02 UTC] rtrtrtrtrt at dfdfdfdf dot dfd 
why should $ManyFunctionsNeedThisVar in __constrcut(9 be global without "global $ManyFunctionsNeedThisVar" ir $GLOBALS['ManyFunctionsNeedThisVar'];

this are two different vars in different scopes and you really should learn basics:
https://www.php.net/manual/en/language.variables.scope.php
 [2021-04-08 16:12 UTC] rg at mejoramos dot com 
Sorry by my ERROR.

Many thanks by your lesson of Aphril masters

@dharman and @rtrtrtrtrt

I am wrong about this,
I am sorry and thanks by your time.
 
PHP Copyright © 2001-2025 The PHP Group
All rights reserved. 		Last updated: Wed Jan 22 08:01:34 2025 UTC