diff --git a/core/logic/AMBuilder b/core/logic/AMBuilder
index 80972250..f02693c0 100644
--- a/core/logic/AMBuilder
+++ b/core/logic/AMBuilder
@@ -31,6 +31,7 @@ files = [
 	'Profiler.cpp',
 	'smn_functions.cpp',
 	'smn_timers.cpp',
+	'smn_players.cpp',
 	'sm_crc32.cpp'
 	]
 if AMBuild.target['platform'] == 'windows':
diff --git a/core/logic/AutoHandleRooter.h b/core/logic/AutoHandleRooter.h
new file mode 100644
index 00000000..3233c8a8
--- /dev/null
+++ b/core/logic/AutoHandleRooter.h
@@ -0,0 +1,92 @@
+/**
+ * vim: set ts=4 sw=4 tw=99 noet :
+ * =============================================================================
+ * SourceMod
+ * Copyright (C) 2004-2009 AlliedModders LLC.  All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation.  You must obey the GNU General Public License in
+ * all respects for all other code used.  Additionally, AlliedModders LLC grants
+ * this exception to all derivative works.  AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+
+#ifndef _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_
+#define _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_
+
+#include "common_logic.h"
+#include <IHandleSys.h>
+
+class AutoHandleRooter
+{
+public:
+	AutoHandleRooter(Handle_t hndl)
+	{
+		if (hndl != BAD_HANDLE)
+			this->hndl = handlesys->FastCloneHandle(hndl);
+		else
+			this->hndl = BAD_HANDLE;
+	}
+
+	~AutoHandleRooter()
+	{
+		if (hndl != BAD_HANDLE)
+		{
+			HandleSecurity sec(g_pCoreIdent, g_pCoreIdent);
+			handlesys->FreeHandle(hndl, &sec);
+		}
+	}
+
+	Handle_t getHandle()
+	{
+		return hndl;
+	}
+private:
+	Handle_t hndl;
+};
+
+class AutoHandleCloner
+{
+	Handle_t original;
+	HandleSecurity sec;
+	AutoHandleRooter ahr;
+public:
+	AutoHandleCloner(Handle_t original, HandleSecurity sec)
+	  : original(original), sec(sec), ahr(original)
+	{
+	}
+
+	~AutoHandleCloner()
+	{
+		if (original != BAD_HANDLE)
+		{
+			handlesys->FreeHandle(original, &sec);
+		}
+	}
+
+	Handle_t getClone()
+	{
+		return ahr.getHandle();
+	}
+};
+
+#endif /* _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_ */
+
diff --git a/core/logic/Makefile b/core/logic/Makefile
index fb257245..d59319c9 100644
--- a/core/logic/Makefile
+++ b/core/logic/Makefile
@@ -27,7 +27,8 @@ OBJECTS = \
 	Profiler.cpp		\
 	smn_functions.cpp   \
 	sm_crc32.cpp		\
-	smn_timers.cpp
+	smn_timers.cpp		\
+	smn_players.cpp
 
 ##############################################
 ### CONFIGURE ANY OTHER FLAGS/OPTIONS HERE ###
diff --git a/core/logic/common_logic.cpp b/core/logic/common_logic.cpp
index c9259692..0b03101e 100644
--- a/core/logic/common_logic.cpp
+++ b/core/logic/common_logic.cpp
@@ -52,6 +52,7 @@ IPluginManager *pluginsys;
 IForwardManager *forwardsys;
 ITimerSystem *timersys;
 ServerGlobals serverGlobals;
+IPlayerManager *playerhelpers;
 
 static sm_logic_t logic =
 {
@@ -79,6 +80,7 @@ static void logic_init(const sm_core_t* core, sm_logic_t* _logic)
 	pluginsys = core->pluginsys;
 	forwardsys = core->forwardsys;
 	timersys = core->timersys;
+	playerhelpers = core->playerhelpers;
 }
 
 PLATFORM_EXTERN_C ITextParsers *get_textparsers()
diff --git a/core/logic/common_logic.h b/core/logic/common_logic.h
index 604050e0..07edaaa3 100644
--- a/core/logic/common_logic.h
+++ b/core/logic/common_logic.h
@@ -49,6 +49,7 @@ extern IPluginManager *pluginsys;
 extern IForwardManager *forwardsys;
 extern ITimerSystem *timersys;
 extern ServerGlobals serverGlobals;
+extern IPlayerManager *playerhelpers;
 
 #endif /* _INCLUDE_SOURCEMOD_COMMON_LOGIC_H_ */
 
diff --git a/core/logic/intercom.h b/core/logic/intercom.h
index f79b33c3..8b1a73e9 100644
--- a/core/logic/intercom.h
+++ b/core/logic/intercom.h
@@ -42,7 +42,7 @@ using namespace SourceMod;
  * Add 1 to the RHS of this expression to bump the intercom file
  * This is to prevent mismatching core/logic binaries
  */
-#define SM_LOGIC_MAGIC		(0x0F47C0DE - 4)
+#define SM_LOGIC_MAGIC		(0x0F47C0DE - 5)
 
 #if defined SM_LOGIC
 class IVEngineServer
@@ -64,6 +64,7 @@ namespace SourceMod
 	class IPluginManager;
 	class IForwardManager;
 	class ITimerSystem;
+	class IPlayerManager;
 }
 
 class IVEngineServer;
@@ -89,6 +90,7 @@ struct sm_core_t
 	IPluginManager	*pluginsys;
 	IForwardManager	*forwardsys;
 	ITimerSystem    *timersys;
+	IPlayerManager  *playerhelpers;
 	/* Functions */
 	void			(*AddNatives)(sp_nativeinfo_t* nlist);
 	ConVar *		(*FindConVar)(const char*);
diff --git a/core/logic/smn_players.cpp b/core/logic/smn_players.cpp
new file mode 100644
index 00000000..45c995c4
--- /dev/null
+++ b/core/logic/smn_players.cpp
@@ -0,0 +1,235 @@
+/**
+ * vim: set ts=4 sw=4 tw=99 noet :
+ * =============================================================================
+ * SourceMod
+ * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation.  You must obey the GNU General Public License in
+ * all respects for all other code used.  Additionally, AlliedModders LLC grants
+ * this exception to all derivative works.  AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+
+#include "common_logic.h"
+#include <IPluginSys.h>
+#include <IPlayerHelpers.h>
+#include <sh_string.h>
+#include <sh_list.h>
+#include "AutoHandleRooter.h"
+#include "CellArray.h"
+
+using namespace SourceHook;
+using namespace SourceMod;
+
+class PlayerLogicHelpers : 
+	public SMGlobalClass,
+	public IPluginsListener,
+	public ICommandTargetProcessor
+{
+	struct SimpleMultiTargetFilter
+	{
+		IPlugin *plugin;
+		SourceHook::String pattern;
+		IPluginFunction *fun;
+		SourceHook::String phrase;
+		bool phraseIsML;
+
+		SimpleMultiTargetFilter(IPlugin *plugin, const char *pattern, IPluginFunction *fun,
+		                        const char *phrase, bool phraseIsML)
+		  : plugin(plugin), pattern(pattern), fun(fun), phrase(phrase), phraseIsML(phraseIsML)
+		{
+		}
+	};
+
+	List<SimpleMultiTargetFilter *> simpleMultis;
+	bool filterEnabled;
+
+public:
+	void AddMultiTargetFilter(IPlugin *plugin, const char *pattern, IPluginFunction *fun,
+	                          const char *phrase, bool phraseIsML)
+	{
+		SimpleMultiTargetFilter *smtf = new SimpleMultiTargetFilter(plugin, pattern, fun, phrase,
+		                                                            phraseIsML);
+
+		simpleMultis.push_back(smtf);
+
+		if (!filterEnabled) {
+			playerhelpers->RegisterCommandTargetProcessor(this);
+			filterEnabled = true;
+		}
+	}
+
+	void RemoveMultiTargetFilter(const char *pattern, IPluginFunction *fun)
+	{
+		List<SimpleMultiTargetFilter *>::iterator iter = simpleMultis.begin();
+
+		while (iter != simpleMultis.end()) {
+			if ((*iter)->fun == fun && strcmp((*iter)->pattern.c_str(), pattern) == 0) {
+				delete (*iter);
+				iter = simpleMultis.erase(iter);
+				break;
+			}
+			iter++;
+		}
+	}
+
+	PlayerLogicHelpers()
+	 : filterEnabled(false)
+	{
+	}
+
+public: //ICommandTargetProcessor
+	bool ProcessCommandTarget(cmd_target_info_t *info)
+	{
+		List<SimpleMultiTargetFilter *>::iterator iter;
+
+		for (iter = simpleMultis.begin(); iter != simpleMultis.end(); iter++) {
+			SimpleMultiTargetFilter *smtf = (*iter);
+			if (strcmp(smtf->pattern.c_str(), info->pattern) == 0) {
+				CellArray *array = new CellArray(1);
+				HandleSecurity sec(g_pCoreIdent, g_pCoreIdent);
+				Handle_t hndl = handlesys->CreateHandleEx(htCellArray, array, &sec, NULL, NULL);
+				AutoHandleCloner ahc(hndl, sec);
+				if (ahc.getClone() == BAD_HANDLE) {
+					smcore.LogError("[SM] Could not allocate a handle (%s, %d)", __FILE__, __LINE__);
+					delete array;
+					return false;
+				}
+
+				smtf->fun->PushString(info->pattern);
+				smtf->fun->PushCell(ahc.getClone());
+				cell_t result = 0;
+				if (smtf->fun->Execute(&result) != SP_ERROR_NONE || !result)
+					return false;
+
+				IGamePlayer *pAdmin = info->admin
+				                      ? playerhelpers->GetGamePlayer(info->admin)
+				                      : NULL;
+
+				info->num_targets = 0;
+				for (size_t i = 0; i < array->size(); i++) {
+					cell_t client = *array->at(i);
+					IGamePlayer *pClient = playerhelpers->GetGamePlayer(client);
+					if (pClient == NULL || !pClient->IsConnected())
+						continue;
+					if (playerhelpers->FilterCommandTarget(pAdmin, pClient, info->flags) ==
+					    COMMAND_TARGET_VALID)
+					{
+						info->targets[info->num_targets++] = client;
+						if (info->num_targets >= unsigned(info->max_targets))
+							break;
+					}
+				}
+
+				info->reason = info->num_targets > 0
+				               ? COMMAND_TARGET_VALID
+				               : COMMAND_TARGET_EMPTY_FILTER;
+				if (info->num_targets) {
+					smcore.strncopy(info->target_name, smtf->phrase.c_str(), info->target_name_maxlength);
+					info->target_name_style = smtf->phraseIsML
+					                          ? COMMAND_TARGETNAME_ML
+					                          : COMMAND_TARGETNAME_RAW;
+				}
+
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+public: //SMGlobalClass
+	void OnSourceModAllInitialized()
+	{
+		pluginsys->AddPluginsListener(this);
+	}
+
+	void OnSourceModShutdown()
+	{
+		pluginsys->RemovePluginsListener(this);
+		if (filterEnabled) {
+			playerhelpers->UnregisterCommandTargetProcessor(this);
+			filterEnabled = false;
+		}
+	}
+
+public: //IPluginsListener
+
+	void OnPluginDestroyed(IPlugin *plugin)
+	{
+		List<SimpleMultiTargetFilter *>::iterator iter = simpleMultis.begin();
+
+		while (iter != simpleMultis.end()) {
+			if ((*iter)->plugin != plugin) {
+				iter++;
+			} else {
+				delete (*iter);
+				iter = simpleMultis.erase(iter);
+			}
+		}
+	}
+} s_PlayerLogicHelpers;
+
+static cell_t
+AddMultiTargetFilter(IPluginContext *ctx, const cell_t *params)
+{
+	IPluginFunction *fun = ctx->GetFunctionById(funcid_t(params[2]));
+	if (fun == NULL)
+		return ctx->ThrowNativeError("Invalid function id (%X)", params[2]);
+
+	char *pattern;
+	char *phrase;
+
+	ctx->LocalToString(params[1], &pattern);
+	ctx->LocalToString(params[3], &phrase);
+
+	bool phraseIsML = !!params[4];
+	IPlugin *plugin = pluginsys->FindPluginByContext(ctx->GetContext());
+
+	s_PlayerLogicHelpers.AddMultiTargetFilter(plugin, pattern, fun, phrase, phraseIsML);
+
+	return 1;
+}
+
+static cell_t
+RemoveMultiTargetFilter(IPluginContext *ctx, const cell_t *params)
+{
+	IPluginFunction *fun = ctx->GetFunctionById(funcid_t(params[2]));
+	if (fun == NULL)
+		return ctx->ThrowNativeError("Invalid function id (%X)", params[2]);
+
+	char *pattern;
+
+	ctx->LocalToString(params[1], &pattern);
+
+	s_PlayerLogicHelpers.RemoveMultiTargetFilter(pattern, fun);
+
+	return 1;
+}
+
+REGISTER_NATIVES(playernatives)
+{
+	{"AddMultiTargetFilter",	AddMultiTargetFilter},
+	{"RemoveMultiTargetFilter",	RemoveMultiTargetFilter},
+	{NULL,						NULL}
+};
+
diff --git a/core/logic_bridge.cpp b/core/logic_bridge.cpp
index 4fb0fa16..bde7fb47 100644
--- a/core/logic_bridge.cpp
+++ b/core/logic_bridge.cpp
@@ -46,6 +46,7 @@
 #include "TimerSys.h"
 #include "logic_bridge.h"
 #include "DebugReporter.h"
+#include "PlayerManager.h"
 
 static ILibrary *g_pLogic = NULL;
 static LogicInitFunction logic_init_fn;
@@ -113,6 +114,7 @@ static sm_core_t core_bridge =
 	&g_PluginSys,
 	&g_Forwards,
 	&g_Timers,
+	&g_Players,
 	/* Functions */
 	add_natives,
 	find_convar,
diff --git a/plugins/include/commandfilters.inc b/plugins/include/commandfilters.inc
index 825ba5ce..7b40b92f 100644
--- a/plugins/include/commandfilters.inc
+++ b/plugins/include/commandfilters.inc
@@ -132,3 +132,34 @@ stock ReplyToTargetError(client, reason)
 		}
 	}
 }
+
+/**
+ * Adds clients to a multi-target filter.
+ *
+ * @param pattern       Pattern name.
+ * @param clients       Array to fill with unique, valid client indexes.
+ * @return              True if pattern was recognized, false otherwise.
+ */
+functag public bool:MultiTargetFilter(const String:pattern[], Handle:clients);
+
+/**
+ * Adds a multi-target filter function for ProcessTargetString().
+ *
+ * @param pattern       Pattern to match (case sensitive).
+ * @param filter        Filter function.
+ * @param phrase        Descriptive phrase to display on successful match.
+ * @param phraseIsML    True if phrase is multi-lingual, false otherwise.
+ * @noreturn
+ */
+native AddMultiTargetFilter(const String:pattern[], MultiTargetFilter:filter,
+                            const String:phrase[], bool:phraseIsML);
+
+/**
+ * Removes a multi-target filter function from ProcessTargetString().
+ *
+ * @param pattern       Pattern to match (case sensitive).
+ * @param filter        Filter function.
+ * @noreturn
+ */
+native RemoveMultiTargetFilter(const String:pattern[], MultiTargetFilter:filter);
+
diff --git a/plugins/testsuite/ptstest.sp b/plugins/testsuite/ptstest.sp
new file mode 100644
index 00000000..cb5280c1
--- /dev/null
+++ b/plugins/testsuite/ptstest.sp
@@ -0,0 +1,26 @@
+#include <sourcemod>
+
+public Plugin:myinfo = 
+{
+	name = "Test target filters",
+	author = "AlliedModders LLC",
+	description = "Tests target filters",
+	version = "1.0.0.0",
+	url = "http://www.sourcemod.net/"
+};
+
+public OnPluginStart()
+{
+	AddMultiTargetFilter("@crab", filter, "all players", true)
+}
+
+public bool:filter(const String:pattern[], Handle:clients)
+{
+	for (new i = 1; i <= MaxClients; i++) {
+		if (IsPlayerInGame(i))
+			PushArrayCell(clients, i)
+	}
+
+	return true
+}
+
diff --git a/public/IHandleSys.h b/public/IHandleSys.h
index 78c3c338..48ae46fd 100644
--- a/public/IHandleSys.h
+++ b/public/IHandleSys.h
@@ -52,7 +52,7 @@
 #include <sp_vm_types.h>
 
 #define SMINTERFACE_HANDLESYSTEM_NAME			"IHandleSys"
-#define SMINTERFACE_HANDLESYSTEM_VERSION		3
+#define SMINTERFACE_HANDLESYSTEM_VERSION		4
 
 /** Specifies no Identity */
 #define DEFAULT_IDENTITY			NULL
@@ -357,6 +357,13 @@ namespace SourceMod
 										const HandleSecurity *pSec,
 										const HandleAccess *pAccess,
 										HandleError *err) =0;
+
+		/**
+		 * @brief Clones a handle, bypassing security checks.
+		 *
+		 * @return          A new Handle_t, or 0 on failure.
+		 */
+		virtual Handle_t FastCloneHandle(Handle_t hndl) =0;
 	};
 }