utilities.inc.php

来自「股票监视器是一个简单的实用工具」· PHP 代码 · 共 92 行

<?php
/*
* PHP STOCK TRACKER
* -----------------
* A multi-user utility for creating and managing stock
* watchlists and historical analysis.
* Copyright (C) 2005 Joshua Eldridge ([e-mail])
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
* See the COPYING file for full details.
*/

function getConn($db = 'DEFAULTDB') {
  global $DBCONF;
  $myDb = NewADOConnection($DBCONF[$db]['DB_TYPE']);
  $myDb->PConnect($DBCONF[$db]['SERVER'],$DBCONF[$db]['USER'],$DBCONF[$db]['PASS'],$DBCONF[$db]['DB']);
  //$myDb->debug = true;
  return $myDb;
}

function closeConn(&$conn) {
  $conn->Close();
}

function cacheQuery($sql,$time) {
  global $ADODB_CACHE_DIR;
  $myDb = getConn();
  $result = $myDb->CacheGetAssoc($time,$sql);
  return $result;
}

function getCleanVar(&$ary, $index) {
  if (isset($ary[$index])) {
    return trim($ary[$index]);
  } else {
    return '';
  }
}

// This function will return an array of values 
// based on the key (index) of a multi-dimensional array
// Will probably break depending on the "depth" of the array
// Right now it only handles one level deep
function getSingleArray($multi_array, $index) {
  foreach($multi_array as $single) {
    $single_array[] = $single[$index];
  }
  return $single_array;
}

/* checkSecurePost
I've encountered some problems with this not returning true
when an index.php page is posted to itself, but when replaced
by Apache (ie; http://www.domain.com/ -- not http://www.domain.com/index.php
*/
function checkSecurePost() {
  $referer = $_SERVER['HTTP_REFERER'];
  $local_path = "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
  if ( $_SERVER['QUERY_STRING'] != "") {
    $local_path . "?" . $_SERVER['QUERY_STRING'];
  }
  if ( ( $referer == $local_path ) && ( $_SERVER['REQUEST_METHOD'] == "POST" ) ) {
    return true;
  } else {
    return false;
  }
}

function checkSecureGet() {
  $check = strpos( $_SERVER['HTTP_REFERER'], $_SERVER['SERVER_NAME'] );
  if ( $check !== false ) {
    return true;
  } else {
    return true;
  }
}

?>