[mxbb-commits] core/includes mx_functions.php,1.26,1.27

[<mxb...@li...>]

Update of /cvsroot/mxbb/core/includes
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv31490

Modified Files:
	mx_functions.php 
Log Message:
Created class mx_request_vars in mx_functions.php

Index: mx_functions.php
===================================================================
RCS file: /cvsroot/mxbb/core/includes/mx_functions.php,v
retrieving revision 1.26
retrieving revision 1.27
diff -C2 -d -r1.26 -r1.27
*** mx_functions.php	16 Mar 2005 00:16:27 -0000	1.26
--- mx_functions.php	17 Mar 2005 00:07:44 -0000	1.27
***************
*** 46,49 ****
--- 46,54 ----
   */
  
+ /**
+  * Included classes in this file:
+  * - mx_request_vars
+  */
+ 
  // ******************************************************************
  // ******************************************************************
***************
*** 1290,1292 ****
--- 1295,1453 ----
  }
  
+ 
+ // --------------------------------------------------------------------------------
+ // Class: mx_request_vars
+ // Encapsulate several functions related to GET/POST variables.
+ //
+ 
+ //
+ // Following flags are options for the $type parameter in method _read()
+ //
+ define('MX_TYPE_INT'		, 1);
+ define('MX_TYPE_FLOAT'		, 2);
+ define('MX_TYPE_NO_HTML'	, 4);
+ define('MX_TYPE_NO_TAGS'	, 8);
+ define('MX_TYPE_NO_STRIP'	, 16);
+ define('MX_TYPE_NO_SQL'		, 32);
+ define('MX_TYPE_POST_VARS'	, 64);
+ define('MX_TYPE_GET_VARS'	, 128);
+ 
+ //
+ // This class must be instatiated in common.php ;-)
+ //
+ // Usage examples:
+ //
+ // $mx_request_vars = new mx_request_vars();
+ // $mode = $mx_request_vars->post('mode', MX_TYPE_NO_TAGS, '');
+ // $page_id = $mx_request_vars->post('page', MX_TYPE_INT, 1);
+ //
+ class mx_request_vars
+ {
+ 	//
+ 	// Properties
+ 	//
+ 
+ 	//
+ 	// Contructor
+ 	//
+ 	//function mx_request_vars()
+ 	//{
+ 		// Not implemented
+ 	//}
+ 
+ 	//
+ 	// Private Methods (convention: first char in name is underscore)
+ 	//
+ 	function _read($var, $type = 0, $dflt = '')
+ 	{
+ 		global $HTTP_POST_VARS, $HTTP_GET_VARS;
+ 
+ 		if( ($type & (MX_TYPE_POST_VARS|MX_TYPE_GET_VARS)) == 0 )
+ 		{
+ 			$type |= (MX_TYPE_POST_VARS|MX_TYPE_GET_VARS);
+ 		}
+ 		if( ($type & MX_TYPE_POST_VARS) && isset($HTTP_POST_VARS[$var]) ||
+ 			($type & MX_TYPE_GET_VARS)  && isset($HTTP_GET_VARS[$var]) )
+ 		{
+ 			$val = ( ($type & MX_TYPE_POST_VARS) && isset($HTTP_POST_VARS[$var]) ? $HTTP_POST_VARS[$var] : $HTTP_GET_VARS[$var] );
+ 			if( !($type & MX_TYPE_NO_STRIP) )
+ 			{
+ 				if( is_array($val) )
+ 				{
+ 					foreach( $val as $k => $v )
+ 					{
+ 						$val[$k] = trim(stripslashes($v));
+ 					}
+ 				}
+ 				else
+ 				{
+ 					$val = trim(stripslashes($val));
+ 				}
+ 			}
+ 		}
+ 		else
+ 		{
+ 			$val = $dflt;
+ 		}
+ 		if( $type & MX_TYPE_INT )		// integer
+ 		{
+ 			return intval($val);
+ 		}
+ 		if( $type & MX_TYPE_FLOAT )		// float
+ 		{
+ 			return floatval($val);
+ 		}
+ 		if( $type & MX_TYPE_NO_HTML )	// no slashes nor html
+ 		{
+ 			if( is_array($val) )
+ 			{
+ 				foreach( $val as $k => $v )
+ 				{
+ 					$val[$k] = htmlspecialchars(ltrim(rtrim($v, " \t\n\r\0\x0B\\")));
+ 				}
+ 			}
+ 			else
+ 			{
+ 				$val = htmlspecialchars(ltrim(rtrim($val, " \t\n\r\0\x0B\\")));
+ 			}
+ 		}
+ 		elseif( $type & MX_TYPE_NO_TAGS )	// ie username
+ 		{
+ 			if( is_array($val) )
+ 			{
+ 				foreach( $val as $k => $v )
+ 				{
+ 					$val[$k] = htmlspecialchars(strip_tags(ltrim(rtrim($v, " \t\n\r\0\x0B\\"))));
+ 				}
+ 			}
+ 			else
+ 			{
+ 				$val = htmlspecialchars(strip_tags(ltrim(rtrim($val, " \t\n\r\0\x0B\\"))));
+ 			}
+ 		}
+ 		if( !($type & MX_TYPE_NO_SQL) )
+ 		{
+ 			if( is_array($val) )
+ 			{
+ 				foreach( $val as $k => $v )
+ 				{
+ 					$val[$k] = str_replace(($type & MX_TYPE_NO_STRIP ? "\'" : "'"), "''", $v);
+ 				}
+ 			}
+ 			else
+ 			{
+ 				$val = str_replace(($type & MX_TYPE_NO_STRIP ? "\'" : "'"), "''", $val);
+ 			}
+ 		}
+ 		return $val;
+ 	}
+ 
+ 	//
+ 	// Public Methods
+ 	//
+ 	function post($var, $type = 0, $dflt = '')
+ 	{
+ 		return _read($var, ($type | MX_TYPE_POST_VARS), $dflt);
+ 	}
+ 	function get($var, $type = 0, $dflt = '')
+ 	{
+ 		return _read($var, ($type | MX_TYPE_GET_VARS), $dflt);
+ 	}
+ 	function is_post($var)
+ 	{
+ 		global $HTTP_POST_VARS;
+ 		return ( isset($HTTP_POST_VARS[$var]) || ( isset($HTTP_POST_VARS[$var.'_x']) && isset($HTTP_POST_VARS[$var.'_y']) ) );
+ 	}
+ 	function is_get($var)
+ 	{
+ 		global $HTTP_GET_VARS;
+ 		return ( isset($HTTP_GET_VARS[$var]) );
+ 	}
+ 	function is_request($var)
+ 	{
+ 		return ( is_get($var) || is_post($var) );
+ 	}
+ 
+ }	// class mx_request_vars
+ 
  ?>
\ No newline at end of file