Functions.php

<?php
function action_post(){
    //update the entry count file
    $fh[4] = fopen("resources/count/entry.txt", 'r');
    $entry_count = intval(fgets($fh[4]));
    fclose($fh[4]);
    unlink("resources/count/entry.txt");
    $fh[4] = fopen("resources/count/entry.txt", 'x');
    fwrite($fh[4], 1+intval($entry_count));
    fclose($fh[4]);
    //create new entry
    $title = $_POST['title'];
    $date = date('l, j/n/Y g:ia');
    $extension = end(explode('.', $_FILES['uploadedimage']['name']));
    $file_location = "resources/entries/images/$entry_count.$extension";
    if(move_uploaded_file($_FILES['uploadedimage']['tmp_name'], $file_location)){
        //echo "succesful";
        $image = $entry_count.".".$extension;
    }else{
        //echo "unsuccesful";
        //echo $_FILES['uploadedimage']['error'];
        $image = "none";
    }
    $body = $_POST['body'];
    $fh[5] = fopen("resources/entries/$entry_count.txt", 'w');
    fwrite($fh[5], "$title\n$date\n$image\n$body");
    fclose($fh[5]);
    mkdir("resources/entries/comments/$entry_count", 0777);
    $fh[11] = fopen("resources/entries/comments/$entry_count/history.txt", 'x');
    fclose($fh[11]);
    $fh[7] = fopen("resources/entries/comments/$entry_count/count.txt", 'x');
    fwrite($fh[7], "0");
    fclose($fh[7]);
}
function create_user($enc_user){
    if(!file_exists("users/$enc_user.txt")){
        //create new user file
        //This file is where a record of the users posts are kept
        //this is so they can later be deleted.
        $fh[14] = fopen("users/$enc_user.txt", 'x');
        fclose($fh[14]);
    }
}
function display_image(){
    if($_GET['target'] && $_GET['type']){
        $image = "resources/entries/images/".$_GET['target'].".".$_GET['type'];
        if(file_exists($image)){
            //this is basically a page in itself, so all of the includes must be done.
            page_start();
            if($_GET['source']){
                $source = $_GET['source'];
                echo <<<END
<div onclick="location.href='index.php?entry=$source';" class="container_comments_banner">Back</div>
<div class="container_no_background">
<img class="full_image" src="$image">
</div>
END;
            }else{
                echo <<<END
<div class="container_no_background">
<img class="full_image" src="$image">
</div>
END;
            }
        }else{
            page_start();
            echo <<<END
<div class="container_home_entry">
<span class="entry_title">FILE DOES NOT EXIST</span>
</div>
END;
        }
    }
}
function comment_entry(){
    $target = htmlspecialchars(trim($_POST['target']));
    $body =  trim(str_replace("\n", "<br>", htmlspecialchars(substr($_POST['body'], 0, 750))));
    $body_md5 = md5($body);
    //make sure that the post does not already exist in this thread.
    $fh[12] = fopen("resources/entries/comments/$target/history.txt", 'r');
    $j = 0;
    while(!feof($fh[12])){
        $history[$j] = trim(fgets($fh[12]));
        $j++;
    }
    fclose($fh[12]);
    if(!in_array($body_md5, $history)){
        $title =  nl2br(htmlspecialchars(substr($_POST['title'], 0, 20)));
        $author = nl2br(htmlspecialchars(substr($_POST['author'], 0, 20)));
        $date = date('l, j/n/Y g:ia');
        if(file_exists("resources/entries/comments/$target/count.txt")){
            $fh[8] = fopen("resources/entries/comments/$target/count.txt", 'r');
            $count = 1+intval(trim(fgets($fh[8])));
            fclose($fh[8]);
            unlink("resources/entries/comments/$target/count.txt");
            $fh[9] = fopen("resources/entries/comments/$target/count.txt", 'x');
            fwrite($fh[9], $count);
            fclose($fh[9]);
            $fh[10] = fopen("resources/entries/comments/$target/$count.txt", 'w');
            $string = "$title\n$author\n$date\n$body";
            fwrite($fh[10], $string);
            fclose($fh[10]);
            //write the comment to the history file
            $fh[13] = fopen("resources/entries/comments/$target/history.txt",'a');
            fwrite($fh[13], $body_md5."\n");
            //Update the users 'user' file
            $fh[16] = fopen("users/$enc_user.txt", 'a');
            $string = $target . "_" . $count . "\n";
            fwrite($fh[16], $string);
            fclose($fh[16]);
        }else{
            $comment_fail = 1;
        }
    }else{
        $comment_fail = 1;
    }
    header("Location: http://vrysrs.me/index.php?entry=$target");
}
function page_start(){
    /* This will replace the
    include("resources/layouts/header.html");
    include("resources/layouts/main_container.html");
    include("resources/layouts/banner.html");

    sequence
    */
    echo <<<END
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<LINK href="resources/styles/entries.css" rel="stylesheet" type="text/css">
<link rel="shortcut icon" href="/resources/images/favicon.ico">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>RAWR</title>
</head>
<body link="#A40000">
<div class="container_main">
<div class="container_banner">
<a href="http://vrysrs.me">
<img class="banner_image" src="resources/images/banner.png" border=0>
</a>
</div>
END;
}
function display_content($admin){
    //open the current count
    //This will begin to display content to the user.
    $fh[2] = fopen("resources/count/entry.txt",'r');
    $entry_count = intval(fgets($fh[2]));
    fclose($fh[2]);
    page_start();
        if($admin){
        //include("resources/layouts/create_entry.html");
        //Also include the ability to see items in the recycle bin
        /*I'm considering writing this script in the create_entry.php file
        as it would make it easier to display the information
        although this would destroy the centralised paradigm of my website.

        ...Screw it, the create_entry.php will be incorporated into this main .php file
        */
        echo <<<END
<div class="container_comments_banner">
Admin Control Panel
</div>
<div class="container_admin_controls">
<div class="container_create_content">
<span class="entry_title">Create Entry</span><br>
<form enctype="multipart/form-data" method="post" action="index.php">
<input name="action" type="hidden" value="post">
Title:
<input type="text" name="title" id="title" />
</br>
Body (HTML scripting enabled):
</br>
<textarea name="body" id="body" cols="45" rows="5"></textarea>
</br>
File:
<input type="hidden" name="MAX_FILE_SIZE" value="300000000000" />
<input name="uploadedimage" type="file" />
</br>
<input type="submit" name="button" id="button" value="Submit" />
</form>
</br>
</div>
END;
        //Div is not closed yet
        //open the recycle bin directory
        $dir = "resources/entries/recycle/";
        if(is_dir($dir)){
            if($dh = opendir($dir)){
                $c = 0;
                while(($file[$c] = readdir($dh)) !== false){
                    $c++;
                    //that's a funny looking piece of code, this was taken mainly from php.net, but altered for my needs.
                }
            closedir($dh);
            }
        }
        if(isset($file)){
            echo <<<END
<div class="container_recycle_bin">
<span class="entry_title">Recycle Bin</span>
END;
            $flag = true;
            foreach($file as $key => $value){
                //I could do this as a for loop, but foreach is easier
                //I need to think about how this is going to be formatted visually.
                if(file_exists("resources/entries/recycle/$value")){
                    $fh[$key] = fopen("resources/entries/recycle/$value", 'r');
                    //Get the entries name, and image
                    $title = trim(fgets($fh[$key]));
                    $date = trim(fgets($fh[$key]));
                    $image = trim(fgets($fh[$key]));
                    $entry = explode(".", $value);
                    $entry = $entry[0];
                    if($image != "none" && $image != ""){
                        $flag = false;
                        echo <<<END
<div class="container_recycleBinOptions">
<img class="small_image" src="resources/entries/images/$image">
<span class="small_title">$title</span>
<span class="small_date">$date</span>
<div class="container_restore_entry"><a href="index.php?entry=$entry&action=restore">restore</a></div>
<div class="container_delete_entry"><a href="index.php?entry=$entry&action=deleteentry">delete permanently</a></div>
</div>
END;
                    }elseif($image != ""){
                        $flag = false;
                        echo <<<END
<div class="container_recycleBinOptions">
<span class="small_title">$title</span>
<span class="small_date">$date</span>
<div class="container_restore_entry"><a href="index.php?entry=$entry&action=restore">restore</a></div>
<div class="container_delete_entry"><a href="index.php?entry=$entry&action=deleteentry">delete permanently</a></div>
</div>
END;
                    }
                    fclose($fh[$key]);
                }
            }
            if($flag){
                echo "<div class=\"container_bin_is_empty\">Recycle Bin Is Empty</div>";
            }
        }
        echo <<<END
</div>
</div>
<div class="container_comments_banner">
Entries
</div>
END;
    }
    //display entries
    //display 10 items per page
    if($_GET['page']){
        $page = $_GET['page'];
    }else{
        $page = 1;
    }
    for($i = $entry_count-(($page-1)*10); $i >= 0 && $i > $entry_count-$page*10; $i--){
        if(file_exists("resources/entries/$i.txt")){
            $fh[3] = fopen("resources/entries/$i.txt", 'r');
            echo "<div onclick=\"location.href='index.php?entry=$i';\" class=\"container_home_entry\">";
            $title = trim(fgets($fh[3]));
            $date = trim(fgets($fh[3]));
            $image = trim(fgets($fh[3]));
            echo <<<END
<span class="entry_title">$title</span>
<span class="entry_date">$date</span>
<p class="entry_body">
END;
            $file = "resources/entries/images/$image";
            if($image != "none" && file_exists($file)){
                echo "<img src=\"$file\" border=0 class=\"entry_image\">\n";
            }
            while(!feof($fh[3])){
                echo trim(nl2br(fgets($fh[3])))."\n";
            }
            echo <<<END
<a href="index.php?entry=$i">more...</a>
</p></div>
END;
            fclose($fh[3]);
        }
    }
    echo "<br>\n";
    if($page > 1){
        $out = $page-1;
        echo "<a href=\"index.php?page=$out\"><img src=\"resources/images/newer.png\" border=0></a>";
    }
    if($entry_count-$page*10 > 0){
        $out = $page+1;
        echo "<a href=\"index.php?page=$out\"><img src=\"resources/images/older.png\" border=0></a>";
    }
}

function display_entry($entry, $admin, $user_comments){
    //must remember, if admin is true, they have the ability to delete this post.
    page_start();
    if(file_exists("resources/entries/$entry.txt")){
        //Display the entry
        $fh[3] = fopen("resources/entries/$entry.txt", 'r');
        echo "<div class=\"container_home_entry\">";
        $title = trim(fgets($fh[3]));
        $date = trim(fgets($fh[3]));
        $image = trim(fgets($fh[3]));
        if($admin){
            echo "<div class=\"container_delete_comment\"><a href=\"index.php?entry=$entry&action=recycle\">delete</a></div>\n";
        }
        echo <<<END
<span class="entry_title">$title</span>
<span class="entry_date">$date</span>
<p class="entry_body">
END;
        $file = "resources/entries/images/$image";
        if($image != "none" && file_exists($file)){
            $explode = explode(".", $image);
            $name = $explode[0];
            $type = $explode[1];
            echo "<a href=\"index.php?action=displayimage&target=$name&type=$type&source=$entry\" target=\"_new\"><img src=\"$file\" border=0 class=\"entry_image\"></a>\n";
        }
        while(!feof($fh[3])){
            echo trim(nl2br(fgets($fh[3])))."\n";
        }
        echo "</p></div>";
        fclose($fh[3]);
        //display the comments
        //comments are contained in "resources/entries/comments/$entry/#.txt"
        //Comments count is contained in "resources/entries/comments/$entry/count.txt"
        $fh[5] = fopen("resources/entries/comments/$entry/count.txt", 'r'); //The amount of comments
        $count = intval(trim(fgets($fh[5])));
        echo "<div class=\"container_comments_banner\">Comments</div>";
        for($i = $count; $i >= 0; $i--){
            $flag = 0;
            $char_count = 0;
            if(file_exists("resources/entries/comments/$entry/$i.txt")){
                $fh[6] = fopen("resources/entries/comments/$entry/$i.txt", 'r');
                //file layout: title \n author \n date \n content
                //Content has a character limit of 50, 50, none, 750 - respectively
                $title = substr(trim(fgets($fh[6])), 0, 50);
                $author = substr(trim(fgets($fh[6])), 0, 50);
                $date = trim(fgets($fh[6]));
                echo <<<END
<div class="container_comment">
END;
                if(isset($user_comments[$i]) || $admin == 1){
                    //That means that this is the users comment!! :D
                    //Display the ability to delete this post
                    echo "<div class=\"container_delete_comment\"><a href=\"index.php?entry=$entry&action=delete&comment=$i\">delete</a></div>\n";
                }
                echo "<span class=\"entry_title\">$title - $author</span>\n";
                echo "<span class=\"entry_date\">$date</span><br>\n";
                while(!feof($fh[6]) && $char_count <= 750){
                    if($flag == 0){
                        echo "<p class=\"entry_body\">";
                    }
                    $new_line = trim(fgets($fh[6]));
                    $char_count += strlen($new_line);
                    $print_len = 750-$char_count;
                    if((750-$char_count)== 0){
                        $print_len =  0;
                    }
                    echo substr($new_line, 0, $print_len);
                    $flag = 1;
                }
                echo "</p></div>\n";
                fclose($fh[6]);
            }
        }
        $entry = $_GET['entry'];
        echo <<<END
<div class="container_create_comment">
<form method="post" action="index.php?entry=$entry">
<span class="entry_title">Write Comment</span>
<br>
<input name="action" type="hidden" value="comment">
<input name="target" type="hidden" value="$entry">
Title:
<input type="text" name="title" id="title" />
Author:
<input type="text" name="author" id="author" value="Anonymous"/>
<br>
Body (750 character limit):
<br>
<textarea name="body" id="body" cols="95" rows="6"></textarea>
<br>

<input type="submit" name="button" id="button" value="Submit" />
</form>
<br>
</div>
END;
    }else{
        echo <<<END
<div class="container_home_entry">
<span class="entry_title">ENTRY DOES NOT EXIST</span>
</div>
END;
    }
}
?>