* * UL Guestbook (UltraLight Guestbook) is the simpliest guestbook script ever made. * You don't need a database or any fancy libraries - you just need PHP 4 or 5. All of the * functions are stored on one file, and all of the data is stored on one automatically-generated * text file. * * For more information, go to http://www.yerich.net/projects/ulguestbook/ * * Version 1.0 - August 15, 2010 * * The MIT License * * Copyright (c) 2010 Richard Ye (http://www.yerich.net/) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ $_ul_cfg['entriesPerPage'] = 10; //Number of entries per page $_ul_cfg['dateFormat'] = "F d, Y g:iA"; //Time format displayed, following PHP's time() formatting $_ul_cfg['requireEmails'] = false; //Require emails to post an entry $_ul_cfg['securityQuestion'] = "Is fire hot or cold?"; //Anti-spam security question $_ul_cfg['securityAnswer'] = "hot"; //Anti-spam security answer $_ul_cfg['legendText'] = "Post a new Guestbook Entry"; //The text labelling the form $_ul_cfg['dataFile'] = "ulguestbook_data.txt"; //The location of the data file. Make sure that PHP can write to it. //Making this false will turn off the automatic call of ul_printGuestbookForm() after ul_printGuestbook() //Meaning that you'll have to manually call it somewhere else. $_ul_cfg['autoOutputForm'] = true; $_ul_cfg['disableSubmissions'] = false; //Setting this to true will disable all new submissions /** * ul_printGuestbookForm * * Prints out the guestbook form, in HTML. This function is called automatically if * $_ul_cfg['autoOutputForm'] = true. You can disable that and print the form out * manually at the location of your choice by calling this function. */ function ul_printGuestbookForm(){ global $_ul_message, $_ul_error, $_ul_cfg, $_ul_form_old; if($_ul_message) echo "

".implode("
",$_ul_message)."

"; if($_ul_error) echo "

".implode("
",$_ul_error)."

"; echo "

"; if($_ul_cfg['disableSubmissions']) { echo "The submission form has been disabled.

"; return; } echo ""; } /** * ul_printGuestbookForm * * Prints out the guestbook. Several configuration values can be found at the * top of this file. Call this function wherever you want the guestbook to be outputted. * * @param $supress_output bool If this is set to true, nothing will be outputted. Instead, the file will be parsed and * the results returned as an array containing the data. * @return mixed An array if $supress_output is true, false if no entries found (or error), and null otherwise. */ function ul_printGuestbook($supress_output = false){ global $_ul_cfg; //Open up the data file $file = @file_get_contents($_ul_cfg['dataFile']); $file = explode("\n", $file); $lastline; for($lastline = count($file); (!$file[$lastline] && $lastline > 0); $lastline--); $entries = array(); $page = intval($_GET['ulgb_page']); if(!$page || $page < 1) $page = 1; $i = $lastline - ($page - 1) * $_ul_cfg['entriesPerPage']; $last = $i - $_ul_cfg['entriesPerPage']; //Start reading the data file, at an offset determined by $_GET['page'] for($i; $i > $last; $i--) { if($file[$i] && trim($file[$i]) != "") $entries[] = explode(",", $file[$i], 4); } if($file[$i] != "") $more = true; if(!is_array($entries) || count($entries) == 0) { //See if we got any entries to display if(!$supress_output) echo "There are no guestbook entires to display."; return false; } if($supress_output) return $entries; //Start the guestbook output echo "

"; $i = 0; foreach($entries as $value) { //Loop through each entry $i = ($i + 1) % 2; $class = "ulguestbook_odd"; //Determine the class of the entry if($i == 0) $class = "ulguestbook_even"; echo "

"; echo "

".$value[1].""; if($value[2]) echo " <".$value[2].">"; echo "\n"; echo "".date($_ul_cfg['dateFormat'], $value[0])."

"; $value[3] = str_replace(array("\\n", "\\r"), array("\n", "\r"), $value[3]); $value[3] = nl2br($value[3]); echo "

".$value[3]."

\n"; } if($more || $page > 1) { //Output pagination links echo "

"; if($page > 1) echo "« Previous Page\n"; if($more) echo "Next Page »\n"; echo "

\n"; } echo "

"; if($_ul_cfg['autoOutputForm']) ul_printGuestbookForm(); } /** * ul_addGuestbookEntry * * Writes a new guestbook entry to the data file. * * @param $author string * @param $emails string * @param $contents string * @return bool true on success, false on failure */ function ul_addGuestbookEntry($author, $email, $contents){ global $_ul_cfg; $author = str_replace(array("\n", "\r", ","), "", $author); $email = str_replace(array("\n", "\r", ","), "", $email); $contents = str_replace(array("\n", "\r"), array("\\n", "\\r"), $contents); $string = time().",".$author.",".$email.",".$contents."\n"; $file = @fopen($_ul_cfg['dataFile'], "a"); if(!@fwrite($file, $string)) return false; @fclose($file); return true; } if($_POST['action'] == "ulguestbook_submit") { global $_ul_message, $_ul_error, $_ul_cfg, $_ul_form_old; if($_ul_cfg['disableSubmissions']) { return false; } if(!$_POST['gb_author']) { $_ul_error[] = "You must enter your name."; $locked = true; } if((!$_POST['gb_email'] && $_ul_cfg['requireEmails'] != false) || (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL) && $_POST['email']!="")) { $_ul_error[] = "Please provide a valid email address."; $locked = true; } if(!$_POST['gb_contents']) { $_ul_error[] = "Please put something in the message field."; $locked = true; } if(!$_POST['gb_antispam'] || strtolower($_POST['gb_antispam']) != strtolower($_ul_cfg['securityAnswer'])) { $_ul_error[] = "Your anti-spam answer is incorrect. (hint: the answer is \"{$_ul_cfg['securityAnswer']}\")"; $locked = true; } if($locked != true) { if (ul_addGuestbookEntry($_POST['gb_author'], $_POST['gb_email'], $_POST['gb_contents'])) { $_ul_message[] = "Thank you for posting your message. It has been added to the guestbook successfully."; } else { $_ul_error[] = "Sorry, we encountered an error adding your message."; } } else { $_ul_form_old = $_POST; } } //Create the data file if it does not exist. if(!file_exists($_ul_cfg['dataFile'])) { @touch($_ul_cfg['dataFile']); @chmod($_ul_cfg['dataFile'], 0777); }

Your name:
Your email"; if($_ul_cfg['requireEmails'] == false) echo " (optional)"; echo ":
Message contents:	{$_ul_form_old['gb_contents']}
Anti-spam question:	{$_ul_cfg['securityQuestion']} " ."