forked from extern/egroupware
228 lines
7.0 KiB
PHP
228 lines
7.0 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare API - Hooks *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* Allows applications to "hook" into each other *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* -------------------------------------------------------------------------*
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* This library is part of the phpGroupWare API *
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* http://www.phpgroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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/*!
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@class hooks
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@abstract class which gives ability for applications to set and use hooks to communicate with each other
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@author Dan Kuykendall
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@copyright LGPL
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@package phpgwapi
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@access public
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*/
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class hooks
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{
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var $found_hooks = Array();
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function hooks()
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{
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//$GLOBALS['phpgw']->db->query("SELECT hook_appname, hook_location, hook_filename FROM phpgw_hooks WHERE hook_location='".$location."'",__LINE__,__FILE__);
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$GLOBALS['phpgw']->db->query("SELECT hook_appname, hook_location, hook_filename FROM phpgw_hooks",__LINE__,__FILE__);
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while( $GLOBALS['phpgw']->db->next_record() )
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{
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$this->found_hooks[$GLOBALS['phpgw']->db->f('hook_appname')][$GLOBALS['phpgw']->db->f('hook_location')] = $GLOBALS['phpgw']->db->f('hook_filename');
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}
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//echo '<pre>';
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//print_r($this->found_hooks);
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//echo '</pre>';
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}
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/*!
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@function process
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@abstract loads up all the hooks the user has rights to
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@discussion Someone flesh this out please
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*/
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// Note: $no_permission_check should *ONLY* be used when it *HAS* to be. (jengo)
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function process($location, $order = '', $no_permission_check = False)
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{
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$SEP = filesystem_separator();
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if ($order == '')
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{
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settype($order,'array');
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$order[] = $GLOBALS['phpgw_info']['flags']['currentapp'];
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}
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/* First include the ordered apps hook file */
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reset ($order);
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while (list(,$appname) = each($order))
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{
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if (isset($this->found_hooks[$appname][$location]))
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{
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$f = PHPGW_SERVER_ROOT . $SEP . $appname . $SEP . 'inc' . $SEP . $this->found_hooks[$appname][$location];
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if (file_exists($f) &&
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( $GLOBALS['phpgw_info']['user']['apps'][$appname] || (($no_permission_check || $appname == 'preferences') && $appname)) )
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{
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include($f);
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}
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}
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$completed_hooks[$appname] = True;
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}
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/* Then add the rest */
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if ($no_permission_check)
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{
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reset($GLOBALS['phpgw_info']['apps']);
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while (list(,$p) = each($GLOBALS['phpgw_info']['apps']))
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{
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$appname = $p['name'];
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if (! isset($completed_hooks[$appname]) || $completed_hooks[$appname] != True)
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{
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if (isset($this->found_hooks[$appname][$location]))
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{
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$f = PHPGW_SERVER_ROOT . $SEP . $appname . $SEP . 'inc' . $SEP . $this->found_hooks[$appname][$location];
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if (file_exists($f))
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{
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include($f);
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}
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}
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}
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}
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}
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else
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{
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reset ($GLOBALS['phpgw_info']['user']['apps']);
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while (list(,$p) = each($GLOBALS['phpgw_info']['user']['apps']))
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{
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$appname = $p['name'];
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if (! isset($completed_hooks[$appname]) || $completed_hooks[$appname] != True)
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{
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if (isset($this->found_hooks[$appname][$location]))
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{
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$f = PHPGW_SERVER_ROOT . $SEP . $appname . $SEP . 'inc' . $SEP . $this->found_hooks[$appname][$location];
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if (file_exists($f))
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{
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include($f);
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}
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}
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}
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}
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}
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}
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/*!
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@function single
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@abstract call the hooks for a single application
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@param $location hook location - required
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@param $appname application name - optional
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*/
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// Note: $no_permission_check should *ONLY* be used when it *HAS* to be. (jengo)
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function single($location, $appname = '', $no_permission_check = False)
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{
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if (! $appname)
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{
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$appname = $GLOBALS['phpgw_info']['flags']['currentapp'];
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}
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$SEP = filesystem_separator();
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/* First include the ordered apps hook file */
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if (isset($this->found_hooks[$appname][$location]))
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{
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$f = PHPGW_SERVER_ROOT . $SEP . $appname . $SEP . 'inc' . $SEP . $this->found_hooks[$appname][$location];
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if (file_exists($f) &&
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( $GLOBALS['phpgw_info']['user']['apps'][$appname] || (($no_permission_check || $location == 'config' || $appname == 'phpgwapi') && $appname)) )
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{
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include($f);
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return True;
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}
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else
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{
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return False;
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}
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}
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else
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{
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return False;
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}
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}
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/*!
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@function single_tpl
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@abstract call the hooks for a single application, return output from the hook
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@discussion This is a BROKEN function on php3... wcm is not using it anymore
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@param $location hook location - required
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@param $appname application name - optional
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*/
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function single_tpl($location, $appname='', $no_permission_check=False)
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{
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if(!$appname)
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{
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$appname = $GLOBALS['phpgw_info']['flags']['currentapp'];
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}
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$SEP = filesystem_separator();
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if(@isset($this->found_hooks[$appname][$location]))
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{
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$f = PHPGW_SERVER_ROOT . $SEP . $appname . $SEP . 'inc' . $SEP . $this->found_hooks[$appname][$location];
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if(@file_exists($f) &&
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( $GLOBALS['phpgw_info']['user']['apps'][$appname] || (($no_permission_check || $location == 'config' || $appname == 'phpgwapi') && $appname)) )
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{
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eval('$retval = include(\$f);');
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return $retval;
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}
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else
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{
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return '';
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}
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}
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else
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{
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return '';
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}
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}
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/*!
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@function count
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@abstract loop through the applications and count the hooks
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*/
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function count($location)
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{
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$count = 0;
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reset($GLOBALS['phpgw_info']['user']['apps']);
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$SEP = filesystem_separator();
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while ($permission = each($GLOBALS['phpgw_info']['user']['apps']))
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{
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if (isset($this->found_hooks[$permission[0]][$location]))
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{
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++$count;
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}
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}
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return $count;
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}
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/*!
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@function read()
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@abstract currently not being used
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*/
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function read()
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{
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//if (!is_array($this->found_hooks))
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//{
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$this->hooks();
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//}
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return $this->found_hooks;
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}
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}
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?>
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