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Due to security reasons, the 'register_globals' setting is off by default since PHP 4.2.0.
So, if you used the old PHP3 style for accessing the HTTP_GET, HTTP_POST, HTTP_COOKIE and HTTP_POST_FILES values
directly as globals, you will find that it won't work anymore. The GET, POST and COOKIE variables aren't direct
accessable anymore. Also the $userfile, $userfile_name e.t.c. variables are no longer available.
One solution would be to set 'register_globals' to 'on' in the php.ini file (which is not recommended).
Or you import the values from the new superglobals (since PHP 4.1.0) into the local variable scope.
Just place the following script snippet everywhere you need access to the HTTP_GET, HTTP_POST, HTTP_COOKIE and
HTTP_POST_FILES values, and your old PHP3-style applications will work again.
--- code starts here ---
unset ($userfile);
@extract($_GET);
@extract($_POST);
@extract($_COOKIE);
@extract($_FILES);
if ($tmp_array = $userfile) {
unset ($userfile);
$old_type = array();
foreach ($tmp_array as $key => $value) {
if ($key == "tmp_name") {
$old_type["userfile"] = $value;
} else {
$old_type["userfile_".$key] = $value;
}
}
extract($old_type);
}
--- code ends here ---
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