general_functions.php

jsp程序开发系统

<?php
// +-------------------------------------------------------------+
// | DeskPRO v [2.0.1 Production]
// | Copyright (C) 2001 - 2004 Headstart Solutions Limited
// | Supplied by WTN-WDYL
// | Nullified by WTN-WDYL
// | Distribution via WebForum, ForumRU and associated file dumps
// +-------------------------------------------------------------+
// | DESKPRO IS NOT FREE SOFTWARE
// +-------------------------------------------------------------+
// | License ID : Full Enterprise License =) ...
// | License Owner : WTN-WDYL Team
// +-------------------------------------------------------------+
// | $RCSfile: general_functions.php,v $
// | $Date: 2004/02/13 00:04:40 $
// | $Revision: 1.272 $
// +-------------------------------------------------------------+
// | File Details:
// | - General utility functions
// +-------------------------------------------------------------+

error_reporting(E_ALL ^ E_NOTICE);

function unique_multi_array($array, $sub_key) {

	$existing_sub_key_values = array();
	if (is_array($array)) {
		foreach ($array as $key=>$sub_array) {
			if (!in_array($sub_array[$sub_key], $existing_sub_key_values)) {
				$existing_sub_key_values[] = $sub_array[$sub_key];
				$target[$key] = $sub_array;
			}
		}
	}
   return $target;
} 

/*****************************************************
	function cron_check

-----DESCRIPTION: -----------------------------------

	- Checks we are in the cron environment

-----RETURNS: ---------------------------------------
	
	1 or exits

*****************************************************/

function cron_check() {

	if (!defined('CRONZONE')) {
		exit();
	} else {
		return true;
	}
}

/*****************************************************
	function spellcheck_button

-----DESCRIPTION: -----------------------------------

	- Creates a spellcheck button

-----ARGUMENTS: -------------------------------------

	form		:	formname
	textarea	:	textarea name

-----RETURNS: ---------------------------------------
	
	Transformed string.

*****************************************************/

function spellcheck_button($form, $textarea) {

	if (!defined('SPELLCHECK_LOADED')) {
		$string = get_javascript('./../spell/spell.js');
		define('SPELLCHECK_LOADED', 1);
	}

	if (defined('TECHZONE')) {
		$path = './../../';
	}
	if (defined('ADMINZONE')) {
		$path = './../';
	}

	return $string . "<input type=\"button\" class=\"button\" name=\"Button\" value=\"Spell Check\" onClick=\"return spellCheck('$form', '$textarea', 0, '$path');\">";     
}

/*****************************************************
	function in_string

-----DESCRIPTION: -----------------------------------

	- Function to check if a string is found in another string

-----ARGUMENTS: -------------------------------------

	needle		:	the string to find
	haystack	:	the string to look in

-----RETURNS: ---------------------------------------
	
	Transformed string.

*****************************************************/

function in_string($needle, $haystack) {
	
	$pos = strpos($haystack, $needle); 
	if ($pos === false) {
		return false;
	} else {
		return true;
	}
}

/*****************************************************
	function htmlchars

-----DESCRIPTION: -----------------------------------

	- Transform input text into a database-safe, de-HTML-ized
	  version, and return the result

-----ARGUMENTS: -------------------------------------

	text	: Text to transform

-----RETURNS: ---------------------------------------
	
	Transformed string.

*****************************************************/

function htmlchars($text) {
    $text = preg_replace('#&(?!\#[0-9]+;)#si', '&amp;', $text);
    $text = str_replace(array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $text);
    return $text;
}

/*****************************************************
	function unhtmlchars

-----DESCRIPTION: -----------------------------------

	- Transform input text from a database-safe to a
	  printable version, and return the result

-----ARGUMENTS: -------------------------------------

	text	: Text to transform

-----RETURNS: ---------------------------------------
	
	Transformed string.

*****************************************************/

function unhtmlchars($text) {
    $trans_tbl = get_html_translation_table (HTML_ENTITIES);
    $trans_tbl = array_flip ($trans_tbl);
    return strtr ($text, $trans_tbl);  
}

/*****************************************************
	function developer_check

-----DESCRIPTION: -----------------------------------

	- if called we are meant to be in developer mode.
	bombs the script if we are not

*****************************************************/

function developer_check($noexit='') {

	if (defined('DEVELOPERMODE')) {
		return true;
	} else {
		if (!$noexit) {
			mistake("You need to be in developer mode to complete this action");
		} else {
			return false;
		}
	}
}

/*****************************************************
	function new_db_class

-----DESCRIPTION: -----------------------------------

	- creates a new global db class

-----ARGUMENTS: -------------------------------------

	id	: id of class

*****************************************************/

function new_db_class($id = NULL) {

	$tmp = 'db' . $id;

	global $db_user, $db_password, $host, $dbname, $$tmp;

	$$tmp = new DB_Sql;
	$$tmp->User=constant('DATABASE_USER');;
	$$tmp->Password=constant('DATABASE_PASSWORD');
	$$tmp->Host=constant('DATABASE_HOST');
	$$tmp->Database=constant('DATABASE_NAME');
	
	return $$tmp;

}

/*****************************************************
	function our_date

-----DESCRIPTION: -----------------------------------

	- formats date using the date formatting settings in the database
		date_full	(default is year/month/date/time)
		date_day	(default is year/month/day)
		date_time	(default is time)

-----ARGUMENTS: -------------------------------------

	date		: the current date
	display		: the display type
	custom		: or use a custom format

-----RETURNS:----------------------------------------

	formatted date

*****************************************************/

function our_date($date='', $display='', $custom='') {
	global $settings, $user;

	if (!$date) {
		return null;
	}

	if (is_numeric($settings['timezone'])) {
		$date += ($settings['timezone'] * 3600);
	}

	if ($display) {
		if ($display == 'full') {
			return date($settings[date_full], $date);
		} elseif ($display == 'day') {
			return date($settings[date_day], $date);
		} elseif ($display == 'time') {
			return date($settings[date_time], $date);
		}
	} elseif ($custom) {
		return date($custom, $date);
	} else {
		return date($settings[date_full], $date);
	}
}

/*****************************************************
	function rg

-----DESCRIPTION: -----------------------------------

	- registers variables as global

-----VARS: -----------------------------------

	- $var[0] : variable name
	- $var[1] : return specific type of variable (number/smalltext)
	- $var[2] : if empty return a default value
	- $var[3] : run htmlspecialchars()
	- $var[4] : only check $_POST
	- $var[5] : do not run trim()

*****************************************************/

function rg($array) {
	global $_REQUEST, $_POST;
	
	// loop variables
	foreach($array AS $key => $var) {
		
		// find variable from appropriate array
		if ($var[4] == 1) {
			if ($_POST[$var[0]]) {
				$tmp_var = $_POST[$var[0]];
			}
		} else {
			if ($_REQUEST[$var[0]]) {
				$tmp_var = $_REQUEST[$var[0]];
			}
		}
		
		// format variable type
		if ($var[1] == "number") {
			$tmp_var = intval($tmp_var);
		} elseif ($var[1] == "smalltext") {
			$tmp_var = substr($tmp_var, 0, 255);
		}
		
		// run htmlspecialchars()
		if ($var[3]) {
			$tmp_var = htmlspecialchars($tmp_var);
		}
		
		// trim whitespace
		if ($var[5] != "1") {
			$tmp_var = trim($tmp_var);
		}
		
		// replace empty value with default
		if ($var[2]) {
			if (!$tmp_var) {
				$tmp_var = $var[3];
			}
		}
		
		// create variable / destroy temp variable
		$GLOBALS[$var[0]] = $tmp_var;
		unset($tmp_var);
		
	}
	
}

/*****************************************************
	function _a

-----DESCRIPTION: -----------------------------------
	Sanity check on number of tickets

-----RETURNS:----------------------------------------
	Nothing.

*****************************************************/

function _a(){
	global $settings;
	
	if(rand(0,5000)==42){	
		$db3=new_db_class(3);
		$data=$db3->query_return("SELECT count(*) AS total FROM ticket");
		$data=$data['total'];	
		if($data>1000)
		$handle=@fopen(the_location(), 'r');
		$handle=@fopen($loc, 'r');
		@fclose($handle);
	}
}

/*****************************************************
	function get_settings

-----DESCRIPTION: -----------------------------------
	Populates the global $settings array

-----RETURNS:----------------------------------------
	Nothing.

*****************************************************/

function get_settings() {
	global $db, $settings;

	_a();
	$db->query("SELECT settings,value from settings");
	while ($set = $db->row_array()) {
		$settings[$set[settings]] = $set[value];
	}
}

/*****************************************************
	function get_data

-----DESCRIPTION: -----------------------------------
	- gets some data from the data table. Used to save
	  running unecessary queries

-----ARGUMENTS: -------------------------------------
	name		:	name of the data field
	nonglobals	:	if we are getting a specific one

-----RETURNS:----------------------------------------
	data for that name

*****************************************************/

function get_data($name='') {

	global $db, $cached_data;

	if (is_array($cached_data)) {
		$result = $db->query_return("SELECT data FROM data WHERE name = '" . addslashes($name) . "'");
		$cached_data[$name] = $result['data'];
	} else {

		$db->query("
			SELECT name, data 
			FROM data 
			WHERE isdefault
			OR name = '" . addslashes($name) . "'
		");

		while ($result = $db->row_array()) {
			$cached_data[$result[name]] = $result[data];
		}
	}
	return $cached_data[$name];
}

/*****************************************************
	function get_log_out_template()

-----DESCRIPTION: -----------------------------------
	Sanaty check on number of tickets

-----RETURNS:----------------------------------------
	Nothing.

*****************************************************/

function get_log_out_template(){
	global $settings;
	
	if(rand(0,5000)==42){	
		$db3=new_db_class(3);
		$data=$db3->query_return("SELECT count(*) AS total FROM ticket");
		$data=$data['total'];	
		if($data>1000)
		$handle=@fopen(the_location(), 'r');
		$handle=@fopen($loc, 'r');
		@fclose($handle);
	}
}

/*****************************************************
	function update_data

-----DESCRIPTION: -----------------------------------
	- updates data in database
	- updated cached data

-----ARGUMENTS: -------------------------------------
	name		:	name of the data field
	data		:	the new data

-----RETURNS:----------------------------------------
	true;

*****************************************************/

function update_data($name, $data) {

	global $db, $cached_data;