[PHP-DEV] PHP 4.0 Bug #8661: a copy of the internal array elements is sometimes not made From: lgordon <email protected>
Date: 01/11/01

From: lgordon <email protected>
Operating system: freeBSD
PHP version: 4.0.4
PHP Bug Type: Class/Object related
Bug description: a copy of the internal array elements is sometimes not made

<?php
// buggy.php

// If I leave both A1 and A2 commented out, the code works fine.
// If I uncomment A1 only, the code works as expected
// If I uncomment A2 only, the code does not work as expected

class Element
{
    var $val;
    function set_value($newval)
    {
        $this->val = $newval;
    }
}

class Owner
{
    var $elementArray;
    function dump()
    {
        foreach ($this->elementArray as $index => $value)
        {
            print("index [$index] value [$value->val]<BR>");
        }
    }
}

$myOwner = new Owner();
$myOwner->elementArray[0] = new Element;

// -- A1 --
// this works as expected
$myOwner->elementArray[0]->val = 10;

// -- A2 --
// if this line is uncommented the code does not work as expected
//$myOwner->elementArray[0]->set_value(10);

print("dump myOwner<BR>");
$myOwner->dump();
print("<BR>");

print("make a copy of myOwner<BR>");
$copyOwner = $myOwner;
print("<BR>");

print("dump copyOwner<BR>");
$copyOwner->dump();
print("<BR>");

print("change copyOwner index 0 to 999999<BR>");

$copyOwner->elementArray[0]->val = 999999;

print("dump copyOwner<BR>");
$copyOwner->dump();
print("<BR>");

print("dump myOwner<BR>");
$myOwner->dump();
print("<BR>");

?> 

-- 
Edit Bug report at: http://bugs.php.net/?id=8661&edit=1

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