Whem assigning a value to a internal class-variable all of them is assigned that value!

Minor example follows =);-D



---------------------- SysInfo Start -----------------------
OS: Linux 2.2.12/Redhat 6.1
HTTPD: Apache 3.1.12
ARCH: i386(+586) (Pentium/std 133)
libxml: 1.8.7
---------------------- SysInfo End -------------------------




-------------------- Install.sh Start ----------------------
#!/bin/sh
./configure \
    --with-apxs=/opt/apache/sbin/apxs \
    --disable-debug \
    --enable-track-vars \
    --enable-xml \
    --disable-short-tags \
    --enable-url-includes \
    --with-dom
make 
make install
-------------------- Install.sh End ------------------------
NOTE: -lgz changed to -lz in configure to make --with-dom/libxml work











--------------------- Example Start ----------------------
<?php
header("Content-type: text/plain");
?>

<h1>Example 1</h1>

<?php

class e1 {
    var $a = 1;
    var $b;
    var $c;
    var $d;
    function e1($i) {
	$this->$b = 2;
	$this->$c = $i;
    }
}

$e1 = new e1(3);

echo "<table border=1>";
echo "<tr><th></th><th>Expected</th><th>I got</th><th>You got</th></tr>";
echo "<tr align=\"center\"><td>\$a</td><td>\"1\"</td><td>\"3\"</td><td>\"".$e1->$a."\"</td></tr>";
echo "<tr align=\"center\"><td>\$b</td><td>\"2\"</td><td>\"3\"</td><td>\"".$e1->$b."\"</td></tr>";
echo "<tr align=\"center\"><td>\$c</td><td>\"3\"</td><td>\"3\"</td><td>\"".$e1->$c."\"</td></tr>";
echo "<tr align=\"center\"><td>\$d</td><td>\"\"</td><td>\"3\"</td><td>\"".$e1->$d."\"</td></tr>";
echo "</table>";
?>






<h1>Example 2</h1>

<?php

class e2 {
    var $a = 1;
    var $b;
    var $c;
    var $d;
    function e2($i) {
	$this->$b = 2;
#	$this->$c = $i;
    }
}

$e2 = new e2(3);

echo "<table border=1>";
echo "<tr><th></th><th>Expected</th><th>I got</th><th>You got</th></tr>";
echo "<tr align=\"center\"><td>\$a</td><td>\"1\"</td><td>\"2\"</td><td>\"".$e2->$a."\"</td></tr>";
echo "<tr align=\"center\"><td>\$b</td><td>\"2\"</td><td>\"2\"</td><td>\"".$e2->$b."\"</td></tr>";
echo "<tr align=\"center\"><td>\$c</td><td>\"\"</td><td>\"2\"</td><td>\"".$e2->$c."\"</td></tr>";
echo "<tr align=\"center\"><td>\$d</td><td>\"\"</td><td>\"2\"</td><td>\"".$e2->$d."\"</td></tr>";
echo "</table>";
?>






<h1>Example 3</h1>

<?php

class e3 {
    var $a = 1;
    var $b;
    var $c;
    var $d;
    function e3($i) {
#	$this->$b = 2;
#	$this->$c = $i;
    }
}

$e3 = new e3(3);

echo "<table border=1>";
echo "<tr><th></th><th>Expected</th><th>I got</th><th>You got</th></tr>";
echo "<tr align=\"center\"><td>\$a</td><td>\"1\"</td><td>\"\"</td><td>\"".$e3->$a."\"</td></tr>";
echo "<tr align=\"center\"><td>\$b</td><td>\"\"</td><td>\"\"</td><td>\"".$e3->$b."\"</td></tr>";
echo "<tr align=\"center\"><td>\$c</td><td>\"\"</td><td>\"\"</td><td>\"".$e3->$c."\"</td></tr>";
echo "<tr align=\"center\"><td>\$d</td><td>\"\"</td><td>\"\"</td><td>\"".$e3->$d."\"</td></tr>";
echo "</table>";
?>






<h1>Example 4</h1>

<?php

class e4 {
    var $a = 1;
    var $b;
    var $c;
    var $d;
    function e4($i) {
#	$this->$b = 2;
#	$this->$c = $i;
    }
}

$e4 = new e4(3);
$e4->$d = 4;
echo "<table border=1>";
echo "<tr><th></th><th>Expected</th><th>I got</th><th>You got</th></tr>";
echo "<tr align=\"center\"><td>\$a</td><td>\"1\"</td><td>\"4\"</td><td>\"".$e4->$a."\"</td></tr>";
echo "<tr align=\"center\"><td>\$b</td><td>\"\"</td><td>\"4\"</td><td>\"".$e4->$b."\"</td></tr>";
echo "<tr align=\"center\"><td>\$c</td><td>\"\"</td><td>\"4\"</td><td>\"".$e4->$c."\"</td></tr>";
echo "<tr align=\"center\"><td>\$d</td><td>\"4\"</td><td>\"4\"</td><td>\"".$e4->$d."\"</td></tr>";
echo "</table>";
?>





<h1>Example 5</h1>

<?php

class e5 {
    var $a = 1;
    var $b;
    var $c;
    var $d;
    function e5($i) {
#	$this->$b = 2;
#	$this->$c = $i;
    }
}

$e5 = new e5(3);
$e5->$d = 4;
$e5->$a = 0;
echo "<table border=1>";
echo "<tr><th></th><th>Expected</th><th>I got</th><th>You got</th></tr>";
echo "<tr align=\"center\"><td>\$a</td><td>\"1\"</td><td>\"\"</td><td>\"".$e5->$a."\"</td></tr>";
echo "<tr align=\"center\"><td>\$b</td><td>\"\"</td><td>\"\"</td><td>\"".$e5->$b."\"</td></tr>";
echo "<tr align=\"center\"><td>\$c</td><td>\"\"</td><td>\"\"</td><td>\"".$e5->$c."\"</td></tr>";
echo "<tr align=\"center\"><td>\$d</td><td>\"4\"</td><td>\"\"</td><td>\"".$e5->$d."\"</td></tr>";
echo "</table>";
?>
----------------------- Example End ------------------------








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+--------------------------------------------------------------------+
| License:                                                           |
| This software is subject to the PHP License, available in this     |
| distribution in the file LICENSE.  By continuing this installation |
| process, you are bound by the terms of this license agreement.     |
| If you do not agree with the terms of this license, you must abort |
| the installation process at this point.                            |
+--------------------------------------------------------------------+
------------------- Configure Log End --------------------