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Request #41078 Its not possible to call Static dotNet Classes with dotnet
Submitted: 2007-04-13 17:45 UTC Modified: 2020-02-08 11:30 UTC
Votes:17
Avg. Score:4.2 ± 1.0
Reproduced:15 of 16 (93.8%)
Same Version:2 (13.3%)
Same OS:2 (13.3%)
From: mail at brutos dot org Assigned:
Status: Suspended Package: COM related
PHP Version: Next Minor Version OS: Windows Vista Ultimate x86
Private report: No CVE-ID: None
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 [2007-04-13 17:45 UTC] mail at brutos dot org 
Description:
------------
You can call non static classes like
System.Collections.Stack
or
System.Text.StringBuilder

But no static classes like System.Console.

Reproduce code:
---------------
<?php
  $console = new DOTNET("mscorlib", "System.Console");
  $console->WriteLine("Hello World!");
?>

Expected result:
----------------
Hello World!

Actual result:
--------------
Fatal error: Uncaught exception 'com_exception' with message 'Failed to instanti
ate .Net object [CreateInstance] [0x80131513] ' in C:\Users\Brutos\Desktop\test.php:2
Stack trace:
#0 C:\Users\Brutos\Desktop\test.php(2): dotnet->dotnet('mscorlib', 'System.Console')
#1 {main}
  thrown in C:\Users\Brutos\Desktop\test.php on line 2

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 [2012-12-09 23:51 UTC] ben at nullcreations dot net 
Reproduced in Windows 7 using php 5.4.9
 [2013-02-20 13:47 UTC] user at kkdf2 dot sakura dot ne dot jp 
It needs help of the wrapper class to be done.

---
using System;
using System.Reflection;
using System.Runtime.InteropServices;

namespace StaticWrapper {
    [ComVisible(true), Guid("1b74f314-1536-4cbb-8e01-752a17b1079f")]
    public class Class1 {
        public Object Call(String typeName, String methodName, Object[] args) {
            return Type.GetType(typeName, true).InvokeMember(methodName, BindingFlags.Public | BindingFlags.Static | BindingFlags.InvokeMethod, null, null, args);
        }
        public Object GetField(String typeName, String methodName) {
            return Type.GetType(typeName, true).InvokeMember(methodName, BindingFlags.Public | BindingFlags.Static | BindingFlags.GetField, null, null, new Object[0]);
        }
        public Object SetField(String typeName, String methodName, Object arg) {
            return Type.GetType(typeName, true).InvokeMember(methodName, BindingFlags.Public | BindingFlags.Static | BindingFlags.SetField, null, null, new Object[] { arg });
        }
        public Object GetProperty(String typeName, String methodName) {
            return Type.GetType(typeName, true).InvokeMember(methodName, BindingFlags.Public | BindingFlags.Static | BindingFlags.GetProperty, null, null, new Object[0]);
        }
        public Object SetProperty(String typeName, String methodName, Object arg) {
            return Type.GetType(typeName, true).InvokeMember(methodName, BindingFlags.Public | BindingFlags.Static | BindingFlags.SetProperty, null, null, new Object[] { arg });
        }
    }
}
---

example to use
---
<?php
$x = new COM("StaticWrapper.Class1");
print $x->Call("System.Console, mscorlib", "WriteLine", array("Hello {0}", "php"));
print "\n";
print $x->GetField("System.Decimal", "MaxValue");
print "\n";
print $x->GetProperty("System.DateTime", "Now");
print "\n";

//$x->SetField("System.String", "Empty", "");
//$x->SetProperty("System.Net.ServicePointManager, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", "MaxServicePoints", 0);

?>
---
 [2013-12-13 07:48 UTC] wez@php.net
-Status: Assigned +Status: Open -Assigned To: wez +Assigned To:
 [2015-07-18 14:21 UTC] cmb@php.net
-Type: Bug +Type: Feature/Change Request
 [2019-10-18 11:49 UTC] girgias@php.net
-PHP Version: 5CVS-2007-04-13 (snap) +PHP Version: Next Minor Version -Assigned To: +Assigned To: cmb
 [2019-10-18 11:49 UTC] girgias@php.net 
Assigning to cmb for review as he's the new maintainer for COM.
 [2019-12-02 23:59 UTC] cmb@php.net
-Status: Assigned +Status: Suspended -Assigned To: cmb +Assigned To:
 [2019-12-02 23:59 UTC] cmb@php.net 
Indeed, COM does not support static methods.  While there are
certainly ways to overcome this limitation, the details need to be
discussed on the internals@ mailing list[1].  Anybody is welcome
to start that discussion.  For the time being, I'm suspending this
ticket.

[1] <https://www.php.net/mailing-lists.php#internals>
 [2020-02-08 11:30 UTC] cmb@php.net 
See also
<https://docs.microsoft.com/en-us/visualstudio/code-quality/ca1407-avoid-static-members-in-com-visible-types>.
 [2020-02-08 11:32 UTC] cmb@php.net 
Related To: Bug #50473
 
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