YAPPM: Manage functionality loaded from external plug-ins

Plugin
Version: 1.0
Author: Daniel van Hoesel
E-Mail: webdev@danielvanhoesel.nl
Comment: Thanx for downloading my class, pleaze if you find any bugs or you have some 
         tips for me email me at: webdev@danielvanhoesel.nl. (And sorry if my english is
         not so good :) ). Have fun.
Licence: Freeware
Demo: test.class.plugin.php (small example)
      plugins/plugin.foo.php (plugin example 1)
      plugins/plugin.bar.php (plugin example 2)

      
Avaible functions in class:
Public functions:
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- constructor: plugin($strPluginPath = "", $strPrefix = "?.plugin.php")
-- input: $strPluginPath - string
---- default: nothing
-- input: $strPrefix - string
---- default: 'plugin.?.php'
-- output: nothing
-- result: Constructor, will be executed when plugin class is called. If $strPluginPath
           and $strPrefix is set the function will automaticly execute: 
           $this->loadAllPlugins. $strPrefix: Prefix that will be used for searching 
           the directory, i.e.:
           > prefix: plugin.?.php, will find all files with plugin.ANY_CHAR.php
           > prefix: ?.plugin.php, will find all files with ANY_CHAR.plugin.php
           If $strPluginPath is set the class will look into that directory for available
           plugins. $strPluginPath can be an array of directorys.
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Error handling functions:
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- setHideValidateDirWarning($booHideValidateDirWarning) 
-- input: boolean (true|false)
---- default: false
-- output: nothing
-- result: Will hide all error messages if the plugin directory is empty or invalid if
           set to true
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- setHideAllErrors($booHideAllErrors) 
-- input: boolean (true|false)
---- default: false
-- output: nothing
-- result: Will hide all error messages if set to true
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- setDieOnErrors($booDieOnErrors) 
-- input: boolean (true|false)
---- default: false
-- output: nothing
-- result: If set to true plugin processing will be stopped when an error occured
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- setErrorHandler($mixErrorHandler) 
-- input: function (mix)
---- default: nothing
-- output: nothing
-- result: When set the class will pass true all errors to your own custimized error 
           handler (two argument: $strErrorMsg, $strErrorType)
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Config functions
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- setDisablePrefix($booDisablePrefix) 
-- input: boolean (true|false)
---- default: false
-- output: nothing
-- result: When set to true all files with the extenstion *.php will be found as valid
           plugins for loading
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- setGetPluginInfo($setGetPluginInfo) 
-- input: boolean (true|false)
---- default: true
-- output: nothing
-- result: Retrieve some information from the plugins header, its buggy so i think you
           set it to false
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- setArgumentDelimeter($strDelimeter) 
-- input: string
---- default: ','
-- output: nothing
-- result: When a function wil be called the arguments that are given in a string format
           will be cut at this delimeter so the class has an array with argument to pass
           true to the funtion
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- setPluginPath($strPluginPath) 
-- input: string|array
---- default: nothing
-- output: nothing
-- result: Search this directory for valid plugins
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- setFilenamePrefix($strPrefix)
-- input: string
---- default: 'plugin.?.php'
-- output: nothing
-- result: Prefix that will be used for searching the directory, i.e.:
           prefix: plugin.?.php, will find all files with plugin.ANY_CHAR.php
           prefix: ?.plugin.php, will find all files with ANY_CHAR.plugin.php
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Plugin functions
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- loadAllPlugins 
-- input: nothing
---- default: nothing
-- output: nothing
-- result: All available plugin that can be used for loading is set in an array:
           $this->arrAvailablePlugins, a count of all plugin is set in:
           $this->intAvailablePlugins
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- execPlugin($strPlugin, $mixArguments = "") 
-- input: strPlugin - string
---- default: nothing
-- input: mixArguments - string|array
---- default: nothing
-- output: boolean (true|false) - true if plugin has been executed, false if there was
           any error
-- result: Will execute a plugin. So the functions in that plugin will be available for
           executing.
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- execFunction($strPlugin, $strFunction, $mixArguments = "") 
-- input: strPlugin - string
---- default: nothing
-- input: strFunction - string
---- default: nothing
-- input: mixArguments - string|Array
---- default: nothing
-- output: result of plugin function
-- result: Will execute a plugin function ($strFunction) with $mixArguments from the 
           plugin $strPlugin, arguments could be a string (arguments sepearted with the
           argument delimeter) or an array with arguments.
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- getPluginObject($strPlugin) 
-- input: strPlugin - string
---- default: nothing
-- output: object
-- result: If the plugin has a class this function will return the object.
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Private functions
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- _setConfigVar($strKey, $strValue)
-- input: strKey - string
---- default: nothing
-- input: strValue - string
---- default: nothing
-- output: nothing
-- result: Will put a variable into the config array ($this->_arrConfig)
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- _loadPlugin($strPluginFile, $strPluginPath = "")
-- input: strPluginFile - string
---- default: nothing
-- input: strPluginPath - string
---- default: nothing
-- output: nothing
-- result: Will match the $strPluginFile with the prefix when there is a match the plugin
           will be loaded into the $this->_arrAvailablePlugins array.
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- _echoError($strErrorMsg = '', $strErrorType = '')
-- input: strErrorMsg - string
---- default: nothing
-- input: strErrorType - string
---- default: nothing
-- output: Error message
-- result: Build-in error handler, will display $strErrorMsg
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