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php - include (url) : filed to open stream : connection refused

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I have set in php.ini theallow_url_include = On and I have to files on localhost:

a.php:

<?php
$var = "var1";
//echo $var
Copy code

b.php:

<?php
include "http://127.0.0.1/a.php";
echo $var
Copy code

which gives error (on execution of b.php): Undefined variable: var in /var/www/html/b.php on line 5

all files works by itself, but theb.php cannot include the variable from thea.php, but why, when the url_include is allowed?

Undefined asked

2021-09-7

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Date the issue was resolved:

2021-09-7

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PHP

PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites. The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.
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