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Bug #8565 parent:: doesn't work with nested include/require
Submitted: 2001-01-05 12:22 UTC Modified: 2001-03-07 05:11 UTC
From: jalal@php.net Assigned:
Status: Closed Package: Scripting Engine problem
PHP Version: 4.0.4 OS: Linux Suse 6.4
Private report: No CVE-ID: None
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From: jalal@php.net
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 [2001-01-05 12:22 UTC] jalal@php.net 
the parent:: operator will work if both the parent and sub class are in the same physical file, but not if they are in a separate file.

This works:

<?php
class Base {
    function doit() {
        echo "Class Base->doit()\n";
    }
}
class A extends Base {
    function doit() {
        parent::doit();
        echo "Class A->doit()\n";
    }
}
?>

but if the two classes are in separate files, the following error is reported:
Fatal error:  No parent class available in this context in a.inc on line 6

Of course, this may be an undocumented feature, but I can see no reason for it.

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 [2001-01-05 12:42 UTC] hholzgra@php.net 
sorry, but i can't believe this as i
use this feature almost daily

can you pleas provide an example of
code _not_ working ?
 [2001-01-05 14:37 UTC] jalal@php.net 
The following code gives the error:

file: base.inc
<?php

class Base {
    function Base(){}
    function doit() {
        echo "Class Base->doit()\n";
    }
}
?>

file: a.inc
<?php
include("base.inc");
class A extends Base {
    function A(){}
    function doit() {
        parent::doit();
        echo "Class A->doit()\n";
    }
}
?>

file: extend-test.php
<?php
include("a.inc");

$a = new A();

$a->doit();

?>

x:>php -f extend-test.php
Fatal error:  No parent class available in this context in a.inc on line 6
 [2001-01-08 10:00 UTC] hholzgra@php.net 
it will work if you include/require/require_once both 
.inc files from the file but not for nested includes
(extended class including base class to be extended)

:(
 [2001-01-08 14:10 UTC] stas@php.net 
The reason for this is simple - parent:: is the compile-time
definition and require/include is run-time, so when it meets
parent:: it does not know yet who it's parent is. I am not
sure it's resolvable now, but I'm leaving it for Zeev/Andi's
attention.
 [2001-03-07 05:11 UTC] zeev@php.net 
Fixed in the latest CVS - thanks!
 
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